Technalogix TXF50 Users Manual

FM TRANSMITTER

Introduction

You’ve already unpacked it, haven’t you? You’ve unpacked it and plugged it in
and turned it on and fiddled with the knobs. No? Okay, good. Please take a few
minutes to read the manual and familiarize yourself with your new Technalogix
FM power amplifier or transmitter.

We believe that this user manual, the Quickstart package (Final Inspection
Report, Wiring Hookup, and Block Diagram), and of course our equipment,
should be everything you need to get on the air with a superb audio signal. We
understand that a capable and confident user will get the most out of our product
and we have made every attempt to educate readers of all technical levels. If
there is something that is not clear, or you require further information, please do
not hesitate to contact us and we’ll be glad to help out.

Technalogix Ltd.
#4, 8021 Edgar Industrial Place
Red Deer, Alberta, Canada
T4P 3R3
Phone: [phone]
Fax: [phone]
URL: www.technalogix.ca
Email: [email protected]

[email protected]

All information that is specific to your unit is contained within the Quickstart
package (Final Inspection Report, Wiring Hookup, and Block Diagram) included
in the shipped equipment container. This Quickstart package summarizes
performance specifications, provides wiring hookup details, and outlines specific
components found in the system.

We truly appreciate that you have chosen us as your RF equipment supplier.
Happy transmission!

Last Revised:
30-Sep-2014

General Safeguards

This section is written as a general guide to keep all five fingers on your hand
and is intended for those having previous knowledge and experience with these
kinds of equipment. It is not intended to contain a complete statement of all
safety precautions, which should be observed by personnel using this or other
electronic equipment.

Documentation

Read, retain and follow instructions before operating the equipment. There is a
lot of useful information in the manual, and besides, we spent a lot of time writing
it!

Environment

To reduce the risk of fire or electric shock, do not expose this equipment to rain,
moisture, or rye and sodas at the company Christmas party. Refer all servicing to
qualified service personnel.

Servicing

Do not attempt to service this equipment yourself as opening or removing covers
can result in a warm tingly feeling and will void the warranty. Refer all servicing
to qualified service personnel.

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Safety and First Aid

Personnel engaged in the installation, operation, maintenance, or servicing of
electronic equipment are exposed to the hazard of high voltage. It is imperative
that all safety regulations and precautions are consistently observed. Knowledge
of first aid procedures is recommended. The following information is presented
as a reference only. The user should ensure that they are trained in proper first
aid and the necessary precautions, which may not be contained in this manual,
are followed.

 At all times, avoid placing any part of the body in series between ground and

circuit points, whether power is on or off.

 Dangerous voltage may be present in equipment even though power is off.

Do not open the cabinet. Refer servicing to qualified service personnel.

 It is the duty of all personnel to be prepared to give adequate emergency first

aid treatment and thereby prevent avoidable loss of life.

 There are three princi ple degrees of burns, recognizable as follows:

 a first-degree burn reddens the skin.
 a second-degree burn blisters the skin.
 a third degree burn chars the flesh and frequently places the victim in a

state of shock accompanied by respiratory paralysis.

 Respiratory paralysis can cause death by suffocation within seconds. It is

imperative that the approved methods of artificial respiration are initiated
immediately and continue until the victim’s breathing is normal.

 A muscular spasm of unconsciousness may render the victim unable to break

free of the electric power. If this is the case, turn the power off immediately.
Do not touch the victim or you may share the same predicament!

 If the power cannot be turned off immediately, very carefully loop a dry rope,

article of clothing, length of strong cloth or a rolled-up newspaper around the
victim and pull the victim free of the power source. Carefully avoid touching
the victim or clothing.

 Once free of the power source, the victim must be placed in a reclining

position and covered with a blanket or newspapers to keep warm. At the first
opportunity, enlist help in summoning a doctor. If a doctor cannot be
summoned, transport the victim to the doctor or a hospital. Be sure the victim
is kept well covered and warm while awaiting professional treatment.

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Operating Safeguards

Load Impedance

It is a known fact that our FM equipment enjoys 50-ohm load impedances. So
much so, that it is imperative you maintain 50-ohm impedances throughout your
system. In return, your equipment will provide you with maximum power transfer
to the antenna and decreased reflected power heading back towards the
amplifier pallets, reducing the amount of magic smoke that gets let out of the
equipment. Before anything is turned on, ensure that there is a 50-ohm path from
the output of each stage to the input of the next, all the way to the antenna.

Operating Warnings

Our FM equipment is designed to reliably generate a specific RF output power
level. Failing to adhere to overdriven amplifier, high reflected power, and high
temperature, and other warnings can decrease the reliability of your system, and
frankly, makes our repair department busy and grumpy. If you need to transmit to
a little larger coverage, you are better off increasing antenna gain, and more
importantly, antenna height above average terrain. On FM broadcast
frequencies, insufficient antenna height puts an upper limit on your range,
regardless of power levels, as the distance from your antenna to the radio
horizon is limited.

The radiated output power of this device is below the Industry Canada radio
frequency exposure limits. The device should be used in such a manner that the
potential for human contact during normal operation is minimized. Human
proximity to the antenna should not be less than 20 cm (7.9”).

La puissance de sortie rayonnée de cet appareil est inférieure aux limites
d'exposition de radio de fréquence Industrie Canada. Le dispositif doit être utilisé
de telle manière que le potentiel de contact humain pendant l'utilisation normale
soit minimisé. La proximité humaine à l'antenne ne doit pas être inférieure à 20
cm (7.9”).

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Terms of Sale

Sales by Technalogix Ltd. (“Seller”) are made only on terms which are contained
in this policy. Seller hereby gives notice of its objection to any different/additional
terms and conditions. All sales are expressly conditional upon Buyers’ assent to
the terms and conditions set forth below. These terms and conditions may be
modified/ supplemented only by written document signed by authorized
representative of the Seller. These terms and conditions supersede any prior
and/or contemporaneous agreements/correspondence between Buyer and
Seller. Any order received and accepted by Seller shall be construed as
acceptance of Seller’s offer to sell its products to the Buyer in accordance with
terms and conditions of sale set forth herein. No waiver, whether express or
implied, by Seller of any of the terms or conditions hereof shall be deemed a
continuing waiver or trade custom between parties, but shall apply solely to the
instance to which the waiver is directed.

Ordering Information

All orders must be in writing and/or accompanied by a Purchase Order. A
minimum down payment is required with all orders. No orders are considered an
order until the payment has been made.

Pricing Policy

All prices are FOB shipping point and prices do not include freight, handling, and
insurance. All prices published/quoted by Seller may be changed at any time
without notice. Unless otherwise specified, written quotations expire 30 days from
date issued and subject to change/termination by notice during this period.

Taxes

Prices for all products do not include any sales, use, excise or other taxes. Buyer
agrees to pay all applicable taxes, duties and other fees on product and services
ordered. If Buyer claims an exemption from any tax, Buyer shall submit to Seller
the appropriate exemption certificates.

Shipping
Shipping is the responsibility of the Buyer. This includes all freight, customs and

brokerage charges, duties, and insurance.

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Terms of Payment

Seller will provide credit terms to Buyer at its discretion. Such terms are subject
to change at all times. If credit is provided, Seller will invoice Buyer on the date
the product is ordered. Such invoices will be due and payable net thirty (30) days
from the date of invoice, subject to credit is not established or maintained, terms
shall be net cash on or prior to the Delivery Date. Seller reserves the right, at its
sole discretion at any time to revoke any credit previously extended. Past due
accounts shall be charged two percent (2%) per month, or the highest rate
permitted by Alberta law, whichever is less, and will be added to the outstanding
balance. In the event Buyer defaults on the payment, Buyer shall be liable for all
collection costs, including reasonable attorney’s fees and costs. Non-payment of
past due accounts will result in a lien against parts and all subsequent
assemblies or products that our components are in. Goods remain the property of
Seller until invoice is paid in full.

Changes and Cancellation

Purchase orders that have been accepted by Seller may not be changed/
cancelled, in whole or part, without written Seller consent. All changes must be
included in change order reflecting purchase order and submitted to the Seller.
All other changes will not be accepted/acknowledged. Changes may affect
delivery dates. Expenses incurred because of changes shall be charged to
Buyer. Buyer will be liable for Seller’s costs incurred, plus a reasonable profit, for
the portion of work terminated, in accordance with generally accepted accounting
principles, together with cancellation charges. Orders for standard product may
be changed by Buyer, with no penalty to Buyer, provided that Buyer provides
Seller notification at least 30 days prior to scheduled ship date. Order changes
received within 30 days of scheduled ship date may be subject to an order
change charge; a schedule detailing these charges will be forwarded to Buyer
when Buyer’s change order is acknowledged. In no event can any aspect of the
order be changed after the product shipment has occurred. Custom orders may
be cancelled by Buyer, provided that Buyer pays Seller for completed work
allocated to Buyer’s order at time of termination of the work at selling price and all
costs for work-in-progress and costs resulting from cancellation and reasonable
profit therein. Specific cancellation charges dependent on the type of custom
product ordered. A schedule detailing these charges will be forwarded to Buyer
when Buyer’s cancellation fee of up to 100% of the order, depending on the
stage of completion of the order at the date the cancellation or revised is
accepted.

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Custom Products Policy

Custom items are not returnable. Items other than “off the shelf” products are
considered custom and are products/materials which have been altered,

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amended and customized to your order, and not resalable.

Returns

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Product return without written authorization by Seller will not be accepted.
Returns accepted only with a valid Return Material Authorization (RMA). To
receive authorization for product return, call Seller. There is a standard 25%
restocking cost assessed on most returns. All returned products (non-repair)

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must be unused, and in original condition. No refund/credit given for damaged
products. We do not accept postage-due/ C.O.D. packages at any time.

Excusable Delay

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Seller shall not be liable for any loss or damage resulting from any delay in
delivery or failure to deliver which is due to any cause beyond Seller’s control,
including, without limitation, acts of nature, unavailability of supplies or sources of

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energy, riots, wars, fires, floods, epidemics, lockouts, strikes and slowdowns,
delays in delivery by supplies, or acts or omissions of the Buyer. The Buyer shall
be liable for stage charges, including but not limited to all third party costs and
expenses incurred by Seller, in holding or storing products for the Buyer or at the
Buyer’s request.

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Buyer shall not assign any duties nor assign any order or any interest therein

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without written consent of the Seller. Any such actual or attempted assignment
shall entitle Seller to cancel the order upon written notice to the Buyer.

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Seller assumes no obligation to install any product sold to place any products in
working order at Buyer’s premises and not responsible for freight damage.

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Validity of Separate Clauses

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If any provisions of this agreement shall be held invalid, illegal, or unenforceable,
the validity, legality or enforceability of the remaining provisions shall not be

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affected or impaired thereby.

Warranty

Technalogix products have been completely tested and found to meet
specifications and be in proper operating condition. Technalogix-manufactured
products are warranted to be free from defects in materials and workmanship for
a period of two years from the date of shipment. Products sold through, but not
directly manufactured by Technalogix, carry the original manufacturer’s warranty.
Seller will not be liable for damages of whatever nature arising out of or in
connection with the equipment or its use thereof. Technalogix does not assume
responsibility for injury or damage resulting from the practices of untrained or
unqualified personnel in the handling of this equipment and does not include
misuse, neglect or accident, incorrect wiring and/or improper installation,
unauthorized repairs, modifications or use in violation of instructions issued by
Seller, incidental or consequential damages as a result of any defect, reshipment
cost or insurance of the unit or replacement units or parts, acts of nature,
damages due to AC or DC power supplied by customer to power the equipment
(see installation recommendation for surge protection), or acts of terrorism. Seller
agrees, at our option, to remedy warranted defects or furnish a new part in
exchange for any part of unit which, under normal installation, use and service,
becomes defective. The user pays for transportation costs to and from repair
facility. If you require on-site service, the cost to you will be $800.00 US per 8­hour day plus air fare, meals, and transportation charges for personnel and
equipment.

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Principle of Operation

The internal FM exciter found inside FM transmitter enclosures accepts analog,
digital or MPX audio signals and modulates them onto an FM carrier. The analog
signal can be either mono or stereo (both included as standard), while the digital
inputs are accepted on AES3, S/PDIF optical (Toslink), or S/PDIF coaxial inputs.
Also included on the Exciter circuit board are amplifier stages to increase the
modulated level from a few dBm up to several watts.

The RF power amplifier is designed to take a modulated FM carrier from the
Exciter (typically less than 30-watts depending on transmitter power level), and
amplifies the carrier to a level that is suitable for transmission through an
antenna, cavity, or alternative load. The power amplifier feeds this load through
an inline wattmeter and transmission line. For broadcast and over-the-air
amplifier systems, the pattern of the antenna then dictates the range and
coverage area.

The amplification is accomplished by one or many amplifier pallets internal to the
power amplifier system. If there is more than one amplifier pallet stage, then the
first pallet acts as a driver feeding Intermediate Power Amplifiers (IPAs) and/or
final stage pallets. If multiple final pallets are required, then a splitter and
combiner are also required before and after the final stages.

Technalogix manufactures FM amplifiers and transmission systems suitable for

87.5 to 108.0 MHz. Custom frequencies are available upon request if you require
carriers outside this range, including audio for VHF applications and other unique
requirements.

The RF amplifiers utilize readily available RF components wherever possible,
thus enhancing the serviceability of the equipment. The amplifier modules are
stable for high reliability and long service life and feature ultra linear amplification
and individual channel RF output filtering, unless ordered otherwise.

The Block Diagram is included with the Quickstart package to illustrate the
specific component flow of the RF amplifier system and to provide specific
configuration and model information.

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Installation

This section contains installation recommendations, unpacking, inspection, and
installation instructions for the power amplifier or transmitter. We are sure that
you are chomping at the bit to install your new system, so we recommend that
you read the following sections very carefully.

Building Recommendations

The quality of the building is of great importance if you are to expect long life and
continued performance from the power amplifier or transmitter. The building must
be clean, dry, temperature controlled and secure. Don’t forget to allow space in
the building for any additional racks to house test equipment, a workbench area,
line regulating transformers, ladders, equipment and parts storage, first aid kit,
emergency generator if used, as well as heating and cooling devices that may be
unique to your installation. A beer fridge is optional. A sloping roof will tend to
develop leaks less rapidly. The building should be well roofed with good material.
The cooling load will be lowered with reflective or light colored roofing material.

Electrical Service Recommendations

Technalogix recommends that a qualified, licensed local electrician be consulted
for the required electrical service. We suggest local electricians because:

 The personnel knows the local codes
 The personnel can be on site readily
 You are apt to get better overall support if you give what business you can

to local suppliers

Technalogix recommends that proper AC line conditioning and surge
suppression be provided on the primary AC input to the power amplifier or
transmitter. If DC is used as a source, a DC-DC converter is recommended to
provide isolation between the supply and the load. All electrical service should
be installed with your national electrical code in your area, any applicable
provincial or state codes, and good engineering practice. Special consideration
should be given to lightning protection of all systems in view of the vulnerability of
many sites to lightning. Lightning arrestors are recommended in the service
entrance. Gas Discharge Tubes (GDT) may help in preventing lightning, which
was forecast for another day, from creating a bad day. Straight and short grounds
are recommended. The electrical serviced must be well grounded. Do not
connect the unit to an open delta primary power supply, as voltage fluctuations
could harm the unit. Branch your circuits. Do not allow your lights, your
workbench plugs, and your transmitting or translating equipment to operate on
one circuit breaker. Each amplifier or transmitter should have its own circuit
breaker, so a failure in one does not shut off the whole installation.

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Antenna and Tower Recommendations (if applicable)

Your preliminary engineering workgroup should establish your antenna and tower
requirements, if applicable, both for receiving and transmitting antennas.
Construction of sturdy, high quality antenna/tower systems will pay off in terms of
coverage of your service area, the overall quality and saleability of your radiated
signal, and reduced maintenance expenses. Technalogix provides complete
turnkey antenna systems if needed. If your site is serving as a translator, your
receiving antenna should be in line of sight to the originating station all year
round. The foliage will change with season. Transmitting antennas can enhance
or seriously impair the amplifier or transmitter output.

The selection, routing, and length of coaxial cable are extremely important in the
installation. If there is a 3 dB line loss in the cable between your unit’s output and
the transmitting antenna, the unit will only deliver half power. Buy the best cable
you can obtain, route it via the shortest way to the antenna, and keep it straight.
Do not form it into sharp bends on its way. Do not use any more cable fittings for
the installation than absolutely necessary. All cautions here apply equally to all
coaxial cables in the system - input and output.

Pay attention to radial ice accumulation when designing the transmission system.
It is not uncommon for at least an inch of ice to build up on a tower or antenna in
some locations. This in turn significantly increases the weight, cross section, and
wind loading of the system, not to mention creating issues from reflective power.

Attaching the transmission line to the tower is crucial to maintain a safe and
reliable operation. Nylon wire ties and electrical tape will breakdown in the
sunlight and ultimately fail, creating a potentially dangerous situation. It is
important to use proper clamps and hoisting grips and also ensure that the
transmission line is grounded to the tower in several locations. When high
currents flow through the tower in the event of lightning strikes, some of that
current will flow through the outer conductors of the transmission lines. Due to
the resistance difference between the steel tower and copper transmission line, a
significant voltage can be developed, often resulting in arcing between the outer
jacket and outer conductor, thus pitting the conductor.

Preventative maintenance is crucial in ensuring that safety is maintained.
Specifically, check that transmission line grounds are tight and are not missing
any hardware. Frequently inspect support clamps or spring hangers. Consider
investing in an ice break, if you haven’t already done so, as shards of falling ice
can damage the transmission line – and if it is going to happen, it will happen at
an important time. Check the tower light photocells and conduit.

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The better-known tower manufacturers offer complete technical and safety
documentation with their towers. Be sure that you have this information as it
regards wind loading, guying, etc. The best-designed antenna system will
function poorly if shortcuts and compromises are used during installation. Follow
the manufacturer’s instructions exactly, along with any engineering data prepared
for the site. Be absolutely safe and certain about this aspect as human lives may
be at stake.

Shelter Security
The FCC requires that the equipment be secure from entry or control by

unauthorized persons, and that any hazardous voltages or other dangers
(including most tower bases) be protected by locks or fences as necessary to
protect personnel and prevent unauthorized tampering or operation. Security of
the building further implies that it be secure from wildlife. Use sturdy construction
materials, including sheet metal if necessary. Holes around conduit, cable, and
other similar entry points should be stuffed with steel wool and caulked to prevent
entry of wildlife. Other features of security for your shelter may include its location
with respect to the prevailing wind conditions. Locations leeward of some natural
topographical feature will prevent wind damage and snowdrifts. Check the soil
runoff conditions that may slow or hasten wind or water erosion and other
concerns that may be unique to your location.

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Heating and Cooling Requirements

The environment’s temperature will contribute greatly to the length of the power
amplifier’s or transmitter’s life. Technalogix recommends that the building’s
filtered air intake must have capacity for all air-flow in the building plus an
additional 20%. Keep the intake below the roofline to avoid intake of solar heated
air. Please ensure that the intake and exhaust areas are on the same side of the
building to avoid pressure differentials during windy conditions. Also, do not
position intake near exhaust’s preheated air. If air conditioning is required to cool
the shelter, discuss the situation with a qualified HVAC technician. Under
average conditions, 12,000 BTUs will cool approximately 500 square feet to a
comfortable level.

The fans internal to the enclosures help cool the components. The specific fan
voltages and part numbers are listed in the Block Diagram included with the
Quickstart package.

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Unpacking and Inspection

Check the outside of the container. Carefully open the container and remove the
power amplifier or transmitter and any accessories. Retain all packing material
that can be reassembled in the event that the equipment must be returned to the
factory.

Exercise care in handling equipment during inspection to prevent
damage due to rough or careless handling.

Visually inspect the enclosure of the power amplifier or transmitter for damage
that may have occurred during shipment. Check for evidence of water damage,
bent or warped chassis, loose screws or nuts, or extraneous packing material in
connectors or fan failures. Inspect all connectors for bent connector pins. If the
equipment is damaged, a claim should be filed with the carrier once the extent of
the damage is assessed. Technalogix cannot stress too strongly the importance
of immediate careful inspection of the equipment and subsequent immediate
filing of the necessary claims against the carrier if necessary. If possible, inspect
the equipment in the presence of the delivery person. If the equipment is
damaged, the carrier is your first area of recourse. If the equipment is damaged
and must be returned to the factory, phone for a return authorization number.
Claims for loss or damage may not be withheld from any payment to
Technalogix, nor may any payment due be withheld pending the outcome
thereof. Technalogix cannot guarantee the carrier’s performance.

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Panel Connections

AC IN: Single phase AC input to feed internal AC/DC switching power supplies.

Check with factory as not all power supplies are universal 110/220V.
RF OUT: FM modulated RF carrier output (N female or 7-16 DIN female)
RBDS/RDS: Configuration and control of RBDS/RDS encoder in transmitter

accomplished through RS232 (female) connector.
REMOTE PORT: Parallel parameter interface (DB25 female)
ETHERNET: Remote control and monitoring via Ethernet (RJ45 jack)
SNMP: Simple Network Management Protocol (SNMP) remote control and

monitoring (RJ45)
S/PDIF COAX: Digital audio input, Sony/Phillips Digital Interface, coaxial (RCA female)
S/PDIF OPTICAL: Digital audio input, Sony/Phillips Digital Interface, optical (Toslink female)
AES (digital): Digital audio input, AES/EBU professional audio interface (XLR female)
LEFT (analog): Analog audio input, left channel, (XLR female)
RIGHT (analog): Analog audio input, right channel, (XLR female). For Mono operation,

use the Right input.
MPX IN: External MPX input. Used when external stereo encoders or processors

present. (BNC female)
MPX OUT: MPX output signal from exciter. Used for external processing. (BNC

female)
SCA1/SCA2: Input connection from SCA generator or source, intended for 60 to 99

kHz. Typically modulated to 10%, or 7.5 kHz deviation.

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Initial Hook Up

1. Ensure that the antenna has been swept and, ideally, has a return loss of

greater than 20dB (VSWR = 1.2:1). This should be done before connecting
the antenna cable to the system’s output. The power amplifier’s control
system allows the user to change the VSWR trip point up to a maximum level
of 1.8:1, unless a custom VSWR protection system has been requested.
Strive for the lowest possible return loss to maximize transmission distance
and improve operating performance. Unless requested otherwise at the time
of purchase, VSWR levels between the trip point set by the user and 1.8:1 (or
custom VSWR trip point) will cause a fold back in power. VSWR levels past

1.8:1 (or custom VSWR trip point) will cause the system to shut down or fold
back with attenuation to avoid damage.

2. Place the amplifier in its permanent location near a receptacle supplying the

required AC or DC mains voltage.

3. Place an appropriate AC or DC power line protector, conditioner, and/or surge

suppressor across the supply line. This small investment is highly
recommended to protect the equipment from power surges and spikes (not
covered by warranty).

4. Install a lightning surge arrestor or Gas Discharge Tube (GDT) on the coax

near the antenna to protect the amplifier. This small investment is highly
recommended to protect the equipment from lightning (not covered by
warranty).

5. Connect the transmitting antenna cable to the RF OUT female connector on

the PA enclosure’s RF output. On units that have a separate filter or
filter/power supply enclosure after the power amplifier enclosure, ensure to
connect the transmitting antenna cable on the last enclosure in the chain to
the RF Out and connect the RF coaxial between the power amplifier and the
second enclosure in the chain. The system must be loaded into a 50-ohm
load before any power is turned on for over-the-air systems. The Wiring
Hookup is included in the Quickstart package included in shipping and
visually summarizes the aforementioned information.

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6. Connect the desired audio source connection, analog mono or stereo, digital

audio, or MPX. Subcarrier signals can be connected to the SCA1 or SCA2
BNC connectors.

7. Connect additional control/monitoring cables if desired. SNMP or Ethernet

should be connected to the lower RJ45 on the back panel. Remote port
connections are made to the DB25 connector and the internal RDS in
controlled by RS232 on the DB9 connector.

At this stage, the system is set up and ready to do a preliminary start up, as
outlined in the “Operating Procedure” section.

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Warranty

Terms and

Operation

Principle of

Installation

5

Operation

6

Control System

7

RF Components

8

Power Supply

9

Maintenance

10

Troubleshooting

Operating Procedure

Assuming the previous installation instructions have been completed and
cautions noted, and the power amplifier is ready to receive a properly modulated
RF signal, proceed with the following steps to place the system in operation. The
power amplifier has been factory aligned for a specific frequency (per system
specification), signal levels and optimum performance.

IT IS HIGHLY RECOMMENDED THAT YOU RUN YOUR SYSTEM INTO A
DUMMY LOAD BEFORE INSTALLING TO MAKE SURE THERE ARE NO
DAMAGES CAUSED IN SHIPPING AND THE UNIT IS RUNNING PROPERLY

1. Verify that all control and RF cables are tight and properly seated in or on the

mating connector.

2. Plug in the desired audio source: analog (left and right for stereo), digital or

MPX. For mono audio use the Right XLR input.

3. With the power amplifier loaded into the antenna, cavity, alternative load, or

dummy load power up the amplifier by turning on power supply either via the
ON/OFF switch on the back of the power amplifier.

4. Verify that the power amplifier fans are all on. The power amplifier fans are

powered via DC voltage so this is an indication that the power supply is
started and running. There may be fans installed in the filter or power supply
enclosures, if applicable.

5. The internal soft start circuitry will turn the bias voltages off until the power

supply to the amplifier pallets is fully stable. The front display indicates when
the soft start is running with either a displayed message when an LCD option
is installed or via maximum attenuation when a touch screen option is
installed. Once complete, the Forward and Reflected Power, Power Supply,
and Temperature readings will appear on the display. Deviation is shown on
the FM screen.

6. Adjust RF output power on the power amplifier to about 10% of rated forward

power. The output power level is adjusted from the power amplifier’s RF
Levels screen. Then turn the carrier on, the Carrier On/Off is in the top right
corner of the touch display on all screens. If the unit contains more than one
final amplifier pallet (illustrated in your Block Diagram included in the
Quickstart package), ensure that the final pallet currents on the multiple finals
all match within 10% of each other. With multiple finals, the final pallet
currents should always match within this range under all operating conditions.

Front panel readings will vary slightly upon turn on. Steady state parameters
can be taken after approximately one hour.

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Terms and

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Principle of

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Operation

Control System

RF Components

Power Supply

Maintenance

Troubleshooting

7. Ideally, the RFL Power should read zero. However, should a high VSWR be

detected, the system will automatically fold back. Under normal conditions, a
well installed and setup system should indicate RFL power less than 3% of
FWD power.

8. Adjust RF output power on the power amplifier to desired level. The output

power level can be adjusted from the power amplifier’s RF Levels screen.
Keep in mind that the system will fold back or shut down (depending on
severity) should the forward RF output power level exceed the trip overdrive
point.

Pease note that 100% should be the maximum FWD power. Typically,
customers run the systems at 90% to avoid occasional AC power line spikes
or transients from tripping the shutdowns. The difference of 10% will provide a
marginal difference in range (tower height will have a much more significant
effect on range in the case of over-the-air) or cavity excitation.

9. Verify that the power supply reads correctly (see supplied final inspection

sheet for factory settings of power supply levels) on the display of the power
amplifier. You should see no more than 3% fluctuations in DC supply voltage,
and even less with a properly conditioned AC source to the power supply.

10. Look at the transmitted output using suitable test equipment. If the output

quality is unsatisfactory, check the input signals, connections to the antenna
system, antenna and transmission line VSWR, and the physical condition of
the antenna.

11. Select the appropriate input from the FM Controls screen on the front panel.

12. Adjust the attenuation for the input if needed from the Audio Levels screen on

the front panel. Check the modulation level on the main RF Display or FM
display on the front panel.

13. After warm up, compare the temperature of the equipment from the front

display to the temperature recorded in the final inspection sheet, included in
shipping. Assuming ambient temperatures are close (our factory is typically
around 18 to 25˚C), your temperature reading should be very close to the
factory reading. Use your temperature measurement as a method to monitor
fan performance (though on higher power units, fan current is also
monitored). A fan failure or air blockage will show an increase in temperature,
assuming ambient temperature is not varying.

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Control System

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Power Supply

Maintenance

Troubleshooting

For FM broadcast applications, if the quality of transmission is unsatisfactory, the
difficulty is often with the receiving antenna or with obstructions in the path
between the amplifier/antenna and receiver. There is also a troubleshooting
section located later in this manual.

At this time, Technalogix recommends that you document your measurements to
use as a reference over time. The measurements can be made either from the
front display, or remotely via the Remote Port (DB25), Ethernet (lower RJ45), or
SNMP (lower RJ45), whose operation is explained in the Monitor and Control
System sections.

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Terms and

Operation

Principle of

Installation

5

Operation

6

Control System

7

RF Components

8

Power Supply

9

Maintenance

10

Troubleshooting

Monitor and Control System

Control System Overview

The control system is used for a variety of functions, the most important of which
is ensuring that the amplifier or transmitter continues to operate in a safe manner.
The control system also allows the user to monitor and control the amplifier or
transmitter from both the front panel and remotely through the parallel port,
Ethernet, or SNMP access port.

The control system is comprised of three modules. These modules work together
to provide all the functions of the control system and include: Display Interface,
Exciter (in the case of a transmitter), and Temperature Sensor modules. The
operation of each module is outlined in the following sections and illustrated in
the following block diagram. Multiple revisions of the modules may be included.
Specific revision numbers of the modules are listed on the Final Inspection
Report included in the Quickstart Package and also in the Versions screen if the
touchscreen option was ordered.

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Troubleshooting

DISPLAY INTERFACE / OLED INTERFACE

MEMBRANE
SWITCH

DC IN

PANEL
SWITCH
INTERFACE

+5V
SWITCHING
SUPPLY

EXTER N AL
DC-DC
CONVERTER

DC OUT

CONTRAST
SUPPLY

REAL
TIME
CLOCK

CAT5

DI SPLAY
INTERFACE

CAN
INTERFACE

TEMPERATURE SENSOR

TEMP
SENSOR

SHUTDOWN
INTERFACE

CHARACTER
LCD

TOUCHSCREEN

RF
SHUTDOWN

AUDIO IN

SYSTEM
MEASUREMENTS

FM EXCITER

FAULT
COMPARATORS

REMOTE
PORT

DB25 PARALLEL
INTERFACE

CAT5

CAN
INTERFACE

AUD IO
PROCESSING
(FM)

ETHERNET SNMP

RF-TO-DC
CONVERTER

RJ45
INTERFACE

TEMP AND
SHUTDOWN
INTERFACE

FWD

RFL

RF TO GAIN
STAGES

RF SAMPLE
FROM
COUPLER

Rev ID

Adrenaline Block Diagram - FM

Date: June 9, 2014 Page: 1 of 1

Display Interface Module
REV 1.02 (ASY 016)
Touchscreen Option

The primary function of the Display Interface module is, as the name suggests,
providing the display and user interface for the control system. This circuit board
is mounted behind the front panel of the power amplifier enclosure(s) in the
amplifier system, near the 4.3” touchscreen or OLED display. All switch/settings
and user interface is handled through the resistive touchscreen. The touchscreen
on the front panel is connected to the Display Interface PCB through a cable.

These components provide the user with the ability to monitor the following
power amplifier or transmitter parameters from the front panel:

• Forward (incident) power at the power amplifier or transmitter output.

• Reflected (reverse) power at the power amplifier or transmitter output.

• DC voltage of the power amplifier’s or transmitter’s power supply.

• DC current in the power amplifier or transmitter.

• Temperature of the heat sink of the power amplifier or transmitter.

• The time since the amplifier or transmitter was last shut down.

• History of faults and events.

• Indication if there is attenuation added to the front end of the power
amplifier or transmitter indicating fold back in RF power (indicates amount
of attenuation).

• Settings to change the VSWR trip point shutdown between 1.1:1 and

1.8:1.

• Settings to change the RF power units between % power (maximum of
110%) or watts.

• Summary of PCB modules and assembly numbers specific to the power
amplifier or transmitter.

A block diagram of the Display Interface PCB follows:

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Operation

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Maintenance

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Troubleshooting

The hardware of the Display Interface module is based around microcontroller
(U101). This part interfaces directly with the touchscreen to provide output and
receive input from the user. It also communicates with the RF board (and DC
Distribution Module, if installed) over a Controller Area Network (CAN) bus. This
communication is facilitated by U103, and passes through a CAT5 cable attached
to connector J104 and J105. The communication link with the RF module allows
the Display Interface Module to receive information about the forward power,
reflected power, and temperature of the amplifier/transmitter, as well as relay
commands from the user to the rest of the system. If the DC Distribution Module
is installed (on higher power systems with multiple pallets), then the Display
Interface receives DC currents from the DC Distribution via the same CAN bus.

Other elements of the Display Interface module are also controlled by the
microcontroller. A buzzer (BZ101) and software status LED (D101), which flashes
when the software / microcontroller is running, are all controlled through a buffer
(U102). DC supply enters through connector J103, which powers the PCB and
also the optional DC-DC converter (based around U111), if populated. The PCB
voltage is regulated at +5V by U106 and associated circuitry. The touchscreen
interfaces to the Display Interface via connector J107.

The fuses on the Display Interface are all resettable. F102 protects the +5V line
while F101 protects the DC-DC converter, if installed.

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Principle of

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Troubleshooting

Circuit: Display Interface with DC-DC, with touchscreen

Bill of Materials - ASY 0016 (was ASY 016A)

Revision: 1.02
Modified:

Item Designations Qty BIN # Description Package

1 PCB 1
2 C114, C115 2
3 C122 1
4 C103 1 CAP 11503 CAPACITOR, 1000pF, 50Vdc, ceramic SMD 0603
5 C123 1
6 C127 1
7 C108, C113, C121, C124, C131 5 CAP 14904 CAPACITOR, 0.01uF (10,000pF), 50Vdc, ceramic SMD 0603
8 C125, C126 2 CAP 14904 CAPACITOR, 0.01uF (10,000pF), 100Vdc, ceramic SMD 0603

9 C132 1
10 C128 1 CAP 15902 CAPACITOR, 0.027uF (27nF), 50Vdc, ceramic SMD 0603
11
12
13
14 R129, R130 2 RES 2961 RESISTOR, 60.4ohm, 1%, 1/8W SMD 0603
15
16 R134 1

R101, R103, R106, R110, R111,

17
18 R102 1

19 R104 1
20 R124 1
21 R125 1
22 R127 1
23 R133 1
24
25 RN102 1
26 F101 1
27
28
29
30
31
32
33 D105, D106 2
34
35 U103 1
36 U106 1
37 U111 1
38 U109, U110 2
39 U105 1
40 U101 1 ICT 32037 IC, microcontroller, flash, 16k X 16 (32KB) program, CAN, 40MHz SOIC-28
41 S101 1
42 C133 1
43
44 BZ101 1
45 L106 1
46 L102 1
47
48 J103 1
49 J107 1
50 J101 1 CON 45024 CONNECTOR, modular, jack, 6-6, vert, board lock, panel stops THT
51 J104 1
52 J103 1

C104, C105

C130
C120

R105

R116, R123

RN101

F102
L101
L103
L104

D102, D103

D101

U102

Y101

C101

22-Nov-13

PCB 0016
CAP 06802
CAP 10602

CAP 13002
CAP 13802

CAP 15703

CAP 17204

2

CAP 19603

1

CAP 22273

1

RES 3212

1

RES 3762

RES 4502

7

RES 4842

RES 5673

RES 6122

RES 6282

RES 6382

RES 6492

RES 4510

1

RES 5810

FUS 1651

FUS 1953

1

IND 0221

1
1 IND 0992 INDUCTOR, 150nH, Imax=2.6A, DCR=0.024 omhs SMD 1210

IND 5811

1

SEM 09005

2

SEM 09006

1

SEM 19005

ICT 10008

1

ICT 12017

ICT 48003

ICT 48026

ICT 36001

ICT 56002

SWT 0001
CAP 24072

CLK 0011

1

AUD 0001

IND 4441
IND 4442

CAP 24014

1

CON 64502
CON 31530

CON 45020
CON 64503

PCB, Display Interface, revision 1.02, 0.62" FR4, 1oz finished ­CAPACITOR, 22pF, 50Vdc, ceramic SMD 0805
CAPACITOR, 560pF, 50Vdc, ceramic SMD 0603

CAPACITOR, 2700pF, 50Vdc, ceramic SMD 0603
CAPACITOR, 4700pF, 50Vdc, ceramic SMD 0603

CAPACITOR, 0.022uF (22,000pF), 50V, ceramic SMD 0603

CAPACITOR, 0.1uF (100nF), 25V, 10%, ceramic SMD 0603
CAPACITOR, 1uF, 35Vdc, ceramic SMD 0603
CAPACITOR, 10uF, 35V, tantalum SMD 6032

RESISTOR, 100Ω, 1%, 1/8W SMD 0805
RESISTOR, 300Ω, 1%, 1/8W SMD 0805

RESISTOR, 1.0kΩ, 1%, 1/8W SMD 0805
RESISTOR, 2.0kΩ, 1%, 1/8W SMD 0805

RESISTOR, 8.2kΩ, 1%, 1/4W SMD 1206
RESISTOR, 18.7kΩ, 1%, 1/8W SMD 0805
RESISTOR, 25.5kΩ, 1%, 1/8W SMD 0805
RESISTOR, 30.1kΩ, 1%, 1/8W SMD 0805
RESISTOR, 37.4kΩ
RESISTOR NETWORK, 1kΩ, 8-resistor, 10-pin, 1/16W
RESISTOR NETWORK, 10kΩ, 8-resistor, 10-pin, 1/16W Panasonic EXB-A
FUSE, 0.5A hold, resettable, polyswitch, 24V SMD 1812
FUSE, 0.75A hold, resettable, polyswitch, 24V SMD 1812
INDUCTOR, 0.01uH, 450mA, DCR=130mΩ SMD 1210

Inductor, common mode choke, 22uH, 200mA SMT ACT45B
DIODE, LED, green, 2.2V, 16mcd SMD 0603
DIODE, LED, orange, 2.0V, 6.3mcd SMD 0603
DIODE, schottky, 100V, 1A, single SMA
IC, buffer, tri-state, quad, non-inv, 5V TSSOP-14
IC, CAN, transceiver, 5V, 1 driver, 1 receiver SOIC-8
IC, regulator, 5.0V, 1A, simple switcher, 4.5-60V in TO-263-5
IC, regulator, switcher, 75V, 1.5A, buck TSSOP-16
IC, optocoupler, dual, transistor output, 150mA per channel SOIC-8
IC, supervisor, 4.50V threshold, open drain (no pullup) SOT-23

SWITCH, DIP, 7-position, extended actuator SMT
CAPACITOR, 100uF, 10V, tantalum SMD 7343-31 EIA
CRYSTAL, 7.3728MHz, 18pF, +/- 20ppm SMT
BUZZER, magnetic, 4-7V, 2.5kHz, 90dB SMT
INDUCTOR, 470uH +/- 10%, Irms=0.8A, DCR=0.820mΩ SMT
INDUCTOR, 470uH +/- 10%, Irms=2.6A, DCR=0.133mΩ SMT
CAPACITOR, 100uF, 63Vdc, electrolytic
CONNECTOR, terminal block, 5-pos, receptacle, 0.2", 15A THT
CONNECTOR, header, 10-pos, 1.25mm, R/A, SMD SMT

CONNECTOR, modular, jack, 8-8, vertical, shielded THT
CONNECTOR, terminal block, 5-pos, plug, 0.2", 15A -

, 1%, 1/8W SMD 0805

Panasonic EXB-A

Panasonic VS G

Main Screens

From each of the two main screens, the RF and the FM main screen, all of the
system’s main parameters can be viewed at a quick glance. To toggle between
these two screens, simply touch:

or

For the Main RF and Main FM screen, there are three common components
between each screen:

Level Bars: The four level bars show real time system performance and

help illustrate any transient changes that occur. Some of the
units of measure can be adjusted in Settings Menu
described later in this section.

Summary Bar: The summary bar at the bottom of the screen will stay in

place no matter what screen is being viewed to allow for an
operating summary at any time, as described below:

Toggles between Main Screens and Menu Screen for
settings. The menu screen has additional settings and
monitoring over the Main Screen, and is illustrated in the
next section.

Forward RF power level in % or watts. Mimics data from
level bar. Overdrive protection starts at 110% where the
power amplifier/transmitter folds back power by adding
attenuation to the input until a safe level obtained. System
continually checks power level and tries to bring RF power
level back to where it was when fault occurred. If overdrive
occurs, a warning is displayed in red text near the top of the
touchscreen and the event recorder logs the event.

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Control System

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Power Supply

Maintenance

Troubleshooting

Reflected RF power level in % or watts. Mimics data from
level bar. The VSWR fault occurs when the measured

1

Safeguards

VSWR of system exceeds the user-defined VSWR trip point
found in the RF Levels Menu (described later in section). If
VSWR exceeds the shutdown level, but is below 1.8:1 (or a
custom VSWR protection point), then attenuation is added to

2

Warranty

Terms and

the amplifier/transmitter input until a safe level is reached. If
the measured VSWR exceeds 1.8:1 (or a custom VSWR trip
point, then the RF carrier is turned off to protect the
amplifier/transmitter chain. Then the system will continually
check to see if it is safe to come back on. This scheme helps

3

Operation

Principle of

ensure that the system stays on air as long as possible
before doing a complete shutdown. If high reflected occurs, a
warning is displayed in red text near the top of the
touchscreen and the event recorder logs the event.

4

Installation

Temperature from sensor mounted on heat sink surface.
Shutdown trip point is factory set at a predetermined level to

5

Operation

keep the amplifier/transmitter pallets safe. Should a fan fail
inside the power amplifier/transmitter enclosure, or air
conditioning fails inside the broadcast facility causing the
temperature to exceed the trip point, the control system will
lower forward RF power until a safe level of measured

6

Control System

temperature is achieved. The system will continually try and
bring the RF power back to the same level when the fault
occurred if it is safe to do so, a warning is displayed in red

7

text near the top of the touchscreen, and the event recorder
logs the event.

RF Components

RF output power is determined largely in part by the amount
of attenuation that the control system places on the input of

8

Power Supply

the power amplifier/transmitter. Whether a fault occurs and
attenuation gets added or the user requests a change in RF
power level via the web/SNMP/Remote Port interface, the
attenuation section of the summary bar conveys important

9

Maintenance

operating information. If the user requests a change in
forward power level via the web interface, SNMP monitoring
and control, or simply via the Remote Port connector on the

10

back of the enclosure, and an asterisk (*) is placed next to
the attenuation value in the summary bar. This informs the

Troubleshooting

user whether or not the attenuation was added due to a fault
or simply because it was requested.

The AGC sets the desired output power level. This is set on
the RF Levels screen where it can be increased or
decreased by +-1% or +-10% increments. The current AGC
setting is shown in the RF Levels screen and on the bottom
banner. The display can be changed to show in Watts rather
than percent but the step size for setting the AGC will still be
in increments of 1 or 10%.

Carrier Switch: From any screen, the FM amplifier or transmitter carrier can

be turned on or off to facilitate adjustments, settings, and
testing/troubleshooting. To toggle carrier states, simply touch
the switch icon:

The same result occurs by turning on or off the system via
the web or SNMP interface, or through controlling of the
Remote Port. A quick beep from the on-board buzzer
signifies that the response has been taken. The power
supplies and fan will remain active while the carrier is turned
off via this switch.

If additional screens, details, and settings are required, several additional
screens can be accessed through the SYSTEM SETTINGS button described
later in this section.

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Terms and

Operation

Principle of

Installation

Operation

Control System

RF Components

Power Supply

Maintenance

10

Troubleshooting

Main RF Screen

The Main RF Screen summarizes key parameters for the RF carrier of the FM
signal, as illustrated below:

FORWARD POWER: This is the power heading out of the power amplifier or
transmitter to the antenna or load, measured in watts or scaled percentage,
depending on how the units are set in the Settings Screen).

REFLECTED POWER: This is the power coming back in to the power amplifier
or transmitter from the antenna or load, measured in watts or scaled percentage,
depending on how the units are set in the Settings Screen). As there is no
internal circulator or isolator installed within the enclosure, it is important to
minimize VSWR with a good quality antenna installed using proper broadcast
techniques. Ice build-up on the antenna and damages to 50 ohm transmission
line can also generate damaging reflected power.

TEMPERATURE: The temperature is measured on top of the heatsink near the
final transistors and displayed here. User can toggle between Celsius and
Fahrenheit from the Settings Screen. In the event that this temperature exceeds
the factory set trip point, the RF carrier level will fold back to protect the unit.
Common causes for high temperatures can include failed internal fans or air
conditioning in the broadcast facility or a blocked fan.

DC VOLTAGE: The switching power supply DC output voltage is displayed here.
If additional screens, details, and settings are required, several additional

screens can be accessed through the SYSTEM SETTINGS button described
later in this section.

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Terms and

Operation

Principle of

Installation

Operation

Control System

RF Components

Power Supply

Maintenance

Troubleshooting

Main FM Screen

The Main FM Screen summarizes key parameters for the audio that resides on
the RF carrier of the FM signal, as illustrated below:

DEVIATION: The maximum frequency excursion from the carrier center
frequency is illustrated on this level bar. Typical maximum deviation, required by
Industry Canada or FCC, is 75 kHz to avoid bleeding into adjacent channel
bands of 200kHz bandwidths. 100% represents a full 75 kHz deviation.

RIGHT LEVEL: Right level bar represents the audio level on the right audio input
channel.

LEFT LEVEL: Left level bar represents the audio evel on the left audio input
channel.

DC VOLTAGE: The switching power supply DC output voltage is displayed here.
If additional screens, details, and settings are required, several additional

screens can be accessed through the SYSTEM SETTINGS button described
later in this section.

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Warranty

Terms and

Operation

Principle of

Installation

Operation

Control System

RF Components

Power Supply

Maintenance

10

Troubleshooting

Menu Screen

The menu screen allows the user to dive into further details of the power amplifier
or transmitter operation. Pressing the BACK TO MAIN button will toggle between
the Main Screens and the Menu Screen. The Menu Screen is shown below:

Each of the menu icons on the Menu Screen allow the user to take additional
readings or make settings that are not provided from the Main RF and FM
Screens. Any changes to settings will be stored in non-volatile memory.

While the user is in the sub menu screens (anything besides the Main Screens),
full monitoring and protection is taking place. This means that as a user makes a
change to a setting or parameter that jeopardizes the power amplifier or
transmitter, the control system will provide protection, display the fault in red text
near the top of the touchscreen, and stay in the current menu.

The individual menu screens will now be covered.

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Safeguards

Warranty

Terms and

Operation

Principle of

Installation

Operation

Control System

RF Components

Power Supply

9

Maintenance

10

Troubleshooting

RF Levels Screen

This screen allows the user to change settings to the RF levels, including the
Forward RF level (the reflected (VSWR) trip point is changed from the Settings
screen. From the RF Levels screen, the user can also toggle between AGC and
Manual mode. The RF Levels Screen is displayed below:

To adjust Forward RF Level:
Press the up or down arrows (in either 1 or 10% increments or decrements) until

the desired Forward RF level is reached. If the adjusted level exceeds 110%, the
protection will kick in and the system will fold back the RF power to a safe level.
There may be a residual amount of Forward RF power even at 0% setting, but it
should be insignificant.

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Terms and

Operation

Principle of

Installation

Operation

Control System

RF Components

Power Supply

9

Maintenance

10

Troubleshooting

Power Supplies Screen

This screen allows the user to view individual voltage and current readings. The
Power Supplies Screen is displayed below:

DC supply voltages are nominally 24, 30, or 48Vdc depending on the system.
Readings of this voltage in the Power Supplies Screen, and on the summary bar
at the bottom of the touchscreen, should not vary more than +/- 2%.

If multiple amplifier pallets are included in the amplifier chain, then the individual
currents will all be displayed in the Currents section of the screen. In the case of
multiple pallets in the chain, typically the user should see matching of the final
pallets to within approximately 10%. Anything outside this range is usually a sign
that there may be an issue. Transistor device could be the culprit, or the tragic
spilt-drink-on-amplifier incident. Our team would be glad to walk you through any
troubleshooting issues or questions you may have.

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Terms and

Operation

Principle of

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Control System

RF Components

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Maintenance

10

Troubleshooting

FM Controls Screen

The FM Controls Screen allows a user to setup audio inputs and FM settings. As
fun as fooling around with the smallest screwdriver you own in the back of a dark
rack sounds, all of these settings can be done from the front touch screen.

Audio Source: As Technalogix FM transmitters include analog and digital

audio inputs as standard, the user can change audio input
sources on the fly and can switch between analog and digital
audio sources. When digital audio is selected, the
Mono/Stereo selection icon changes to allow selection
between the various digital audio inputs (Toslink optical,
coax, AES).

Mono/Stereo: All Technalogix FM transmitters have a stereo encoder built

in to the exciter circuit board. The user can switch between
Mono and Stereo option by simply touching this icon on the
touch screen.

Input Impedance: When analog audio input is selected as a source, the user

can adjust the input impedance of the exciter in the
transmitter between 600 and 10k ohms.

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Principle of

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Control System

RF Components

Power Supply

Maintenance

10

Troubleshooting

Frequency: With the exciter being agile, the user can change frequency

from the front touch screen. The step size is 100 kHz. At the
lower and upper frequency limits of the FM band, the
frequency will wrap back around.

Pre-Emphasis: Pre-emphasis adds a boost to high frequencies in the FM

signal to increase the signal above the noise floor. The FM
signal then is de-emphasized at the radio receiver end.
Users can change the amount of pre-emphasis to suit their
location and receivers. A lower pre-emphasis, say 50 us
versus 75 us, is a lighter boost, but also increases high
frequency headroom. Setting the pre-emphasis to 0 us turn
off the pre-emphasis. Standard North American pre­emphasis is set to 75 us on the transmitter side, while most
of the rest of the world incorporates 50 us.

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Terms and

Operation

Principle of

Installation

5

Operation

6

Control System

7

RF Components

8

Power Supply

9

Maintenance

10

Troubleshooting

History Screen

The History Screen provides a summary of the most recent events that have
occurred in the power amplifier or transmitter. An event can either be a fault or
simply an action like turning on or off the carrier. The format of the History Screen
is illustrated below:

Ten of the most recent events are displayed on the History Screen. As more
events occur, the earliest recorded event gets displaced on the screen.

The user can clear the history screen by pressing the CLEAR HISTORY. Users
will find this screen useful in correlating events in the power amplifier or
transmitter with external events like weather and changes to the broadcast
facility’s environment.

The events are recorded in non-volatile memory so they are safe in the event of a
power outage or pesky lightning-strike-wins-fight-with-power-supply.

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Principle of

Installation

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Control System

RF Components

Power Supply

9

Maintenance

10

Troubleshooting

Audio Levels Screen

The Audio Levels Screen allows the user to tweak audio input levels all from the
front touch screen.

Step sizes will vary from 0.5 dB up to 2.0 dB depending on the current audio,
MPX, and SCA input levels.

Attenuation levels of 100 dB indicate that attenuation is at maximum for that
particular input signal.

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Principle of

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Control System

RF Components

8

Power Supply

9

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10

Troubleshooting

Version Screen

The Version Screen contains no user-settable items, but is intended as an
identification screen to the user. It also helps Technalogix maintain its unmatched
service reputation by allowing our technicians and Service team to know exactly
what versions of PCBs are inside a customer’s unit, even several years down the
road. The versions can then be correlated to factory documentation. In addition,
current government certification numbers are included for Industry Canada and
FCC. Please contact Technalogix if you require copies of the actual grants, or
visit:

FCC: https://fjallfoss.fcc.gov/oetcf/eas/reports/GenericSearch.cfm
(grantee code QH5)
Ind. Canada: http://www.ic.gc.ca/app/sitt/reltel/srch/nwRdSrch.do?lang=eng
(company 3803)

Finally, general information is included in the Version Screen for users who may
not be familiar with the equipment and do not want to venture into the dusty
abyss behind the rack or cabinet searching for tiny ID tags. The Version Screen
is illustrated below:

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Control System

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Troubleshooting

Contact Screen

The Contact Screen provides an easy means for the user to get in touch with
Technalogix for anything. Whether they have a technical or installation question
or simply want to chat about how gosh darn cool our equipment is, Technalogix
welcomes questions, feedback, and contact.

If you are in the area, please feel free to stop by to tour the facility, test drive
some state of the art products, or get a refresher on some training.

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Control System

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RF Components

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10

Troubleshooting

Settings Screen

“You say tomato...”
The Settings Screen allows the user to modify some of their preferences on how

information is displayed on the touchscreen, as seen in the figure below:

Pressing the DISPLAY ⁰ F button will convert all temperature readings to degrees
Fahrenheit from Celsius (and vice versa). Temperature protection trip points are
factory set.

Similarly, the user can switch between watts or percentage for their RF power
readings. When in percentage mode, the power amplifier or transmitter is
designed for a maximum operating power of 100% with overdrive protection
typically at 110%.

To change the VSWR Shutdown Trip Point:
Use the up and down arrows to set the VSWR shutdown trip point to between

1.1:1 and the factory determined upper limit. If a measured VSWR is found above
the set trip point, but below the factory determined upper limit, then the system
will fold back the forward power to a safe level. If the measured VSWR exceeds
the factory determined upper limit, then the carrier will be initially turned right off.

Technalogix may have provided custom firmware with the amplifier or transmitter
that may deviate from the above operation. Please consult factory for any client­ordered custom settings.

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Control System

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Troubleshooting

FM Exciter Module
REV 1.02 (ASY 0071)

The FM Exciter module accepts analog and digital audio inputs, processes the
audio, and then modulates the audio onto an FM carrier in the range of 87.5 to

108.0 MHz. This modulated signal is then fed into a small gain stage before
passing the signal off to the final gain amplifier stage(s).

Analog input can be balanced or unbalanced, though the former will provide a
higher quality signal. Digital audio can be sourced from AES, S/PDIF optical
(Toslink), or S/PDIF coaxial.

The following pages illustrate the schematics of the FM Exciter module.

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JH1

JH2

JH4

P0C12002

C120

J6

P0J6016

P0J600

P0JH101

P0JH201

P0JH401

P0JH501

P0J6015

P0J6014

P0J602

P0J601

P0J603

C23

P0C2302

R30

R66

P0R6601

P0R6602

P0C12001

JH5

P0J6011

P0J6013

P0J6012

P0J604

P0J606

P0J605

P0JP500

R9

P0C2402

C24

P0C2401

P0C2301

C101

D12

P0D1201

P0U2001

P0U2003

P0U2101

P0U2102

P0U2103

P0J609

P0J6010

P0J608

P0J607

P0JP501

P0JP502

P0R902

P0R901

P0R903

P0R3001

P0R3002

P0L801 P0L802

L8

P0C10101 P0C10102

R105

P0D1202

P0JP505

P0JP507

P0JP503

P0JP506

P0JP508

P0JP504

JP5

P0R2701 P0R2702

P0R7701

P0R7702

R77

R93

P0R9301 P0R9302

P0U1001
P0U1002

P0U1003
P0U1004 P0U1005

R102

P0R10201 P0R10202

P0R10501 P0R10502

P0Q404

F3

P0U2002

U20

U21

R19

P0R1901

R27

P0R5502

P0R5503

P0C6101 P0C6102

C61

R94

C81

P0C8102

P0R9401 P0R9402

P0C8101

U10

P0U1009

R103

P0C10201 P0C10202

P0C10502

C105

P0R10301 P0R10302

P0Q403

P0Q401

P0F302

P0C12201

P0C12202

P0C12401

P0C12402

P0J7014

P0JP607

P0JP601

P0JP603

P0JP605

P0JP606

P0JP608

P0JP602

P0JP604

JP6

D2

P0D201 P0D202

P0R1902

P0R2001

R20

C37

R55

P0C3701

P0C3702

F1

P0C4802

P0R5501

P0R6101 P0R6102

R61

P0C6201 P0C6202

R67

C62

C66

C89

P0C8901 P0C8902

P0R10401

P0U1008
P0U1007

P0U1006

P0R10402

C102

P0C10501

C48

P0R6701 P0R6702

P0C6602

P0C6601

P0R7801 P0R7802

P0C8202

R104

C106

P0F102

P0C4801

P0L602

R78

P0C8201

C82

P0F201

F2

P0F202

P0C10702
P0C10701

P0C10601

P0C10602

P0D502

U7

P0U703 P0U704

Q4

P0L1801 P0L1802

C121

P0C12101

P0F301

R118

C122

P0R11801 P0R11802

P0C12102

L21

P0L2101 P0L2102

C124

TP14

P0TP1401

P0D1502

P0D1501

D15

P0J7013

P0C13101

J7

P0J706 P0J707 P0J708 P0J709

P0J7011

P0J7012

P0J7015 P0J7016 P0J7017 P0J7018

P0J701 P0J702 P0J703 P0J704 P0J705

P0J7010

P0JP600

P0R2002

D4

P0D401

P0D402

R31

P0R3101 P0R3102

P0F101

P0D501

L6

P0L601

C67

P0C6702

P0C6701

P0L1202

P0U701

P0U702

P0L1201

P0U705

R98

P0R9801 P0R9802

P0D602

C107

L18

P0J201

J2

P0D301

P0D302

D3

C30

P0C3001 P0C3002

TP1

P0TP101

P0L301 P0L302

P0C5402

C54

P0C5401

D5

L12

TP4

P0TP401

P0TP501

L15

P0L1501 P0L1502
P0C9601

P0C9701

P0C9702

P0C9602

C96

P0D601

P0D701 P0D702

P0D801 P0D802

P0D1001 P0D1002

C97

D6

D7

TP10

P0TP1001

D8

D10

R109

P0F402

C132

P0C13301 P0C13302
P0C13401 P0C13402

P0J700

C133

C134

P0J203

P0J205

P0J202

P0J204

P0J206

L3

TP5

R106

D11

P0D1101 P0D1102

P0R10901 P0R10902

P0F401

F4

L19

P0C13102

C131

C130

U23

P0U2301

P0C13001 P0C13002

P0U2302
P0U2303

P0C13201 P0C13202

P0U2304
P0U2305

P0U2306
P0U2307
P0U2308 P0U2309

P0J200

P0J207

P0J208

R10

P0R10602

P0R10603

P0L1901

P0L1902

TP15

P0TP1501

P0U23016
P0U23015

P0U23014
P0U23013
P0U23012

P0U23011
P0U23010

P0J300

J3

R11

P0R1001 P0R1002

P0R1101 P0R1102

P0R8602

P0R8601

P0R8603

R86

P0R10601

P0J301

P0J302

R12

P0R1201 P0R1202

R13

L20

P0R12902

R129

P0R12903

J15

P0J303

P0J305

P0J304

P0J306

P0R1301 P0R1302

J4

JP8

P0JP801

P0JP803

P0JP804

P0L2001

P0L2002

P0R12901

P0J307

P0J308

P0JP802

P0JP805

R122

P0R12201 P0R12202

P0R13101 P0R13102

R131

P0J4010

JH3

R123

P0R12301 P0R12302

P0R13201 P0R13202

R132

P0J407

P0J408

P0J409

P0JH3073 P0JH3074

P0JH3075 P0JH3076

P0JH3077 P0JH3078

P0JH3079 P0JH3080

R124

P0R12401 P0R12402

P0R13301 P0R13302

R133

P0J403

P0J404

P0J405

P0J406

P0JH3059 P0JH3060

P0JH3061 P0JH3062

P0JH3063 P0JH3064

P0JH3065 P0JH3066

P0JH3067 P0JH3068

P0JH3069 P0JH3070

P0JH3071 P0JH3072

R125

R126

P0R12501 P0R12502

P0R13401 P0R13402

R134

JP1

P0J401

P0J402

C29

P0C2901

P0C2902

P0C6302

P0JH3045 P0JH3046

P0JH3047 P0JH3048

P0JH3049 P0JH3050

P0JH3051 P0JH3052

P0JH3053 P0JH3054

P0JH3055 P0JH3056

P0JH3057 P0JH3058

P0R11301

R113

P0R11302

D13

P0R12601 P0R12602

P0R13001 P0R13002

R130

P0J1501 P0J1502 P0J1503 P0J1504 P0J1505 P0J1506 P0J1507 P0J1508 P0J1509 P0J15010 P0J15011 P0J15012 P0J15013

P0J15014 P0J15015 P0J15016 P0J15017 P0J15018 P0J15019 P0J15020 P0J15021 P0J15022 P0J15023 P0J15024 P0J15025

P0JP102

P0J400

R68

C63

P0R6801 P0R6802

P0C6301

P0JH3031 P0JH3032

P0JH3033 P0JH3034

P0JH3035 P0JH3036

P0JH3037 P0JH3038

P0JH3039 P0JH3040

P0JH3041 P0JH3042

P0JH3043 P0JH3044

P0R11401 P0R11402

P0D1301 P0D1302

P0D1401 P0D1402

D14

P0JP101

R69

P0R6901 P0R6902

P0JH3017 P0JH3018

P0JH3019 P0JH3020

P0JH3021 P0JH3022

P0JH3023 P0JH3024

P0JH3025 P0JH3026

P0JH3027 P0JH3028

P0JH3029 P0JH3030

R114

P0J1500

R70

P0R7001 P0R7002

P0JH303 P0JH304

P0JH305 P0JH306

P0JH307 P0JH308

P0JH309 P0JH3010

P0JH3011 P0JH3012

P0JH3013 P0JH3014

P0JH3015 P0JH3016

P0JH300

P0J800

P0JH301 P0JH302

P0JP202

R46

P0C5502
P0C5501

C55

P0JP705

P0JP704

P0JP702 P0JP703

P0JP701

JP7

J8

R21

P0R2101 P0R2102

R32

P0R3201 P0R3202

P0R4601 P0R4602

P0R7102

P0JP201

R22

P0R2201 P0R2202

P0R2301 P0R2302

R33

P0R3301 P0R3302

P0R3401 P0R3402

P0R7101

P0R7103

P0C9001 P0C9002

C90

C108

P0C10802

P0C11601 P0C11602

C116

TP16

P0TP1601

P0J807 P0J808 P0J809 P0J8010

P0J801 P0J802 P0J803 P0J804 P0J805 P0J806

P0J8011

JP2

R23

R35

P0R3501 P0R3502

R34

P0R4701 P0R4702

R47

P0R5601 P0R5602

R56

R71

R88

P0C9101 P0C9102

D9

P0D901 P0D902

P0C10801

J9

P0J900

P0R5701 P0R5702

R57

TP3

P0TP301

C68

P0C6802

R89

P0C6801

P0R8901 P0R8902

P0R8801 P0R8802

C91

P0TP1201

TP12

P0J901

P0J902

R36

P0R3601 P0R3602

P0R4801 P0R4802

P0TP201

P0C6902

P0C7302
P0C7301

C69

R90

P0R9001 P0R9002

P0C8302

P0C8301

P0R9902

P0R9903

P0C11102

C111

P0C11101

D17
D16

C38

R48

P0C3801 P0C3802

C49

TP2

P0C4901 P0C4902

R79

P0C6901

C73

C83

R99

P0R9901

C117

C125

P0C12501 P0C12502
P0C12701 P0C12702

C127

R139

P0D1701 P0D1702

P0D1601 P0D1602

P0S100

C33

P0R3701 P0R3702

P0C3301 P0C3302

P0U403 P0U404
P0U402

P0U405

P0U401

P0U406

U4

R72

P0R7201 P0R7202

P0R8001 P0R8002

R80

P0R7901 P0R7902

L11

P0L1101 P0L1102

P0C7401 P0C7402

P0L1301 P0L1302

L13

P0TP801

TP8

P0TP901

P0C11701

P0C11702

R135

P0R13501 P0R13502

P0R13901 P0R13902
P0R14101 P0R14102
P0R14301 P0R14302

R141

R143

P0J903

P0R14501 P0R14502

P0R14601 P0R14602

R145

P0R14701

P0R14702

R147

R14

R37

P0C3901 P0C3902

C50

P0R5801 P0R5802

P0C5001 P0C5002

R58

P0U501
P0U502
P0U503

P0U504
P0U505

P0U506
P0U507 P0U508

C74

C39

P0C5101 P0C5102

C51

C75

R38

P0R3801 P0R3802

C40

P0C4001 P0C4002
P0C5201 P0C5202

C52

C56

U5

P0C7501

P0C7502

U12

P0U1201

TP9

P0U1202
P0U1203

P0U1204 P0U1205

P0TP1101

TP11

T1

R140

P0T106

P0T107

P0R14001 P0R14002

P0T108

R146

P0U2401

P0U2402

P0U2403

P0U2404 P0U2405

U24

P0U2406

P0U2407

P0U2408

C136

P0C13602
P0C13601

P0C901

P0C902

P0C1401

P0C1402

P0R1402

P0C2501
P0C2502

P0C2701

P0R1401

P0C2702

R49

U3

P0U301
P0U302

P0U303 P0U304

P0C5301 P0C5302

P0R4901 P0R4902

P0C5601

P0C5602

P0U5014
P0U5013
P0U5012

P0U5011
P0U5010

P0U509

R81

C76

P0U1208
P0U1207

P0U1206

P0U2500

C9
C14

C25

C26

C27

C28

C31

P0C3101 P0C3102

P0U306
P0U305

C53

P0R7301 P0R7302

R73

P0R8101 P0R8102

P0C7601 P0C7602

R74

P0C7002
P0R7401 P0R7402

P0C7001

P0C9201 P0C9202

C92

P0T104 P0T105

P0T103

P0T102

P0T101

C135

P0U2501 P0U2502 P0U2503

P0C1001

C10

P0C1501

C15

P0C1002

P0C1502

P0R1502

P0C2601
P0C2602

P0C2801

P0R1501

P0C2802

C34

P0C3401

P0C3402

P0R6202

P0R6203

P0C6401 P0C6402

C70

P0L901 P0L902

P0L1401 P0L1402

L14

P0C13502
P0C13501

U25

R62

P0R6201

C64

L9

P0R9502

R142

P0R14201 P0R14202
P0R14401 P0R14402

R144

J10

R15

P0R6302

P0R6303

R82

P0R8201 P0R8202

P0R9501

P0R9503

R63

P0R6402

P0R6301

P0R8301 P0R8302

P0R7501 P0R7502

R83

C77

P0C7701

P0C7802

P0C7702

R95

R97

P0R9701 P0R9702

P0TP601

P0C10302

P0C10301

C109

P0C10901 P0C10902

C113

P0J1003

P0J1002

P0J1000

R39

R50

P0R6401

P0R6403

R75

C78

P0TP701

P0C7801

TP6

C103

P0C11302

P0C11301

P0J1001

R40

P0R3901 P0R3902

P0R5001 P0R5002

P0R4001 P0R4002

P0R5101 P0R5102

R64

TP7

P0U2201
P0U2202
P0U2203

P0U2204 P0U2205

P0R4101 P0R4102

R51

S2

R100

U14

P0U14010
P0U14011

P0U14012
P0U14013

P0U14014
P0U14015

P0U14016

P0C11401

C114

P0C11402

P0R11501 P0R11502

P0C11801 P0C11802

P0R11901 P0R11902

R119

TP13

U22

P0U2208
P0U2207
P0U2206

JP3

R41

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P0U56010

C284

R279

C315

P0C31502
P0C31501

R293 P0R29301 P0R29302
R299

C291

L40

P0C29101
P0C29601

C296

P0L4001 P0L4002

P0R27901 P0R27902

P0C31402
P0C31401

L45

C314

P0R29901 P0R29902

P0R30801 P0R30802

R308

P0U73027

P0U73028

C374

P0U7301

P0U7302

P0C37401
P0C37402

R169

R170

P0R17001 P0R17002

P0R16901 P0R16902

P0C17102

C172

P0C17201

P0C17101

P0C17202

C187

P0C18701
P0C18702

C209

P0C20902

C210

P0C21001 P0C21002

P0C21101 P0C21102

R234

P0R23701 P0R23702

P0C25201 P0C25202

P0C27601 P0C27602

P0L4501 P0L4502

P0U73025

P0U73026

P0U7303

P0U7304

C373

P0C20901

P0U4408
P0U4407

P0U4406

C225

C232

P0C23201

P0R23301 P0R23302

P0C23202
R233

R237

C252

P0U5101
P0U5102

P0U5103 P0U5104

P0R25001 P0R25002

P0C26301 P0C26302

P0R24901 P0R24902

P0C27101

C276

C271

P0C27102

P0C28301
P0C28302

C283

P0Y401 P0Y402

R273

P0R27301 P0R27302

P0C29102
P0C29602

P0L4401 P0L4402

P0R29101 P0R29102

P0R29201 P0R29202

P0C32002

R291

R292

L44

P0C32001

C321

P0C32101
P0C32701 P0C32702

P0C32102

C327

P0U73018

P0U73019

P0U73020

P0U73021

P0U73022

P0U73023

P0U73024

R325

P0U7305

P0U7306

P0U7307

P0U7308

P0U7309

P0U73010

P0U73011

P0C37201

P0R32501 P0R32502

P0C37202

P0C37301 P0C37302

P0C37101

C372

C371

P0C37102

R167

R168

P0R16701 P0R16702

P0R16801 P0R16802

C171

L34

P0L3401

P0L3402

P0C20102

C201

P0C20001

C200

R207
R212

C219

R219

C242

P0C24201

P0C24202

U51

P0U5105

R249

Y4

P0Y403 P0Y404

R272

P0R27201 P0R27202

P0U6203 P0U6204

U62

P0L4301 P0L4302

L43

C320

P0R29801 P0R29802

R298

P0R30701 P0R30702

R307

P0U73016

P0U73017

U73

P0L5501

P0U73012

P0U73013

P0U73014 P0U73015

P0L5502

R166

C161

P0C16102

P0R16601 P0R16602

P0C16101

C183

C182

L33

P0C18202

P0L3302

P0L3201

P0C18201

P0C18301 P0C18302

P0C18601

P0L3301

P0L3202

P0C18602

P0C20101

C199

C186

P0C19902
P0C19901

P0C19801 P0C19802

P0C20002

P0R21201 P0R21202

P0C21901

P0R21901 P0R21902

R229

R248

C290

P0U6201

P0U6202

P0C29502

P0U6205

C208

P0R20701 P0R20702

P0R21101 P0R21102

P0C21902

R218

P0C22401

P0R22701 P0R22702

D24

R228

P0R22801 P0R22802

P0R22901 P0R22902

P0D2401 P0D2402

R242

P0R24801 P0R24802

C262

R243

P0R24201 P0R24202

P0R24301 P0R24302

P0C26201 P0C26202

C275

P0C27502

R264

P0R26401 P0R26402

P0C27501

C282

P0C28201 P0C28202
P0C29001

P0C29002

C295

R285

P0C29501

P0R29001 P0R29002

R290

P0R28501 P0R28502

P0C31801

P0C31901

P0C31802

P0C31902

C319

C326

P0U6903

P0C32602

C343

P0U6901 P0U6902

P0C32601

P0C34302

P0C34301

L55

FM 1

L32

P0C20801

P0C20802

R211

P0R21801 P0R21802

R227

P0C26101 P0C26102

R284

C170

P0C17001

P0C17002

P0Y101 P0Y102

R201

C198

P0R20101 P0R20102

P0R20601 P0R20602
P0R21001 P0R21002
P0R21601 P0R21602

R217

P0R21701 P0R21702
P0R22101 P0R22102

R221

C224

P0C22402

P0U5009

P0U47016

P0U50010

P0U50011

P0U50012

P0U50013

P0U50014

P0U4701

R241

U50

P0U5001

P0U5002

P0U5003

P0U5004

P0U5005

P0U5006

P0U5007 P0U5008

P0R24101 P0R24102

C261

P0R24701 P0R24702

R260

C274

P0C27401

P0R26001 P0R26002

R263

P0R26301 P0R26302
P0U6101
P0U6102

P0U6103
P0U6104 P0U6105

P0C31301

C313

C318

P0R28401 P0R28402

P0U6108
P0U6107

P0U6106

P0R27801 P0R27802

P0C31302

P0R28301 P0R28302

U69

R316

P0R31601 P0R31602

P0C35701 P0C35702

C357

R206

R210

P0U41017

P0U41018

P0U41019

P0U41020

R216

P0U4101

P0U4102

P0U4103

P0U4104

P0U47013

P0U47014

P0U47015

P0U4702

P0U4703

P0U4704

R247

D26

P0D2601

P0C28102

P0D2602

C281

P0C27402

U61

P0C28101

C289

P0C28901 P0C28902

P0C29401

R278

R277

P0R27701 P0R27702

R283

R306

C169

Y1

P0C16901

R205

P0U41012

P0U41013

P0U41014

P0U41015

P0U41016

U41

P0U4105

P0U4106

P0U4107

P0U4108

P0U4109

P0U41010 P0U41011

P0U47010

P0U47011

P0U47012

P0U4705

P0U4706

P0U4707

P0U4708 P0U4709

P0R25901 P0R25902

R259

C294

P0C29402

R304

R305

P0R30501 P0R30502

P0R30601 P0R30602

P0C34202

C342

R193

P0C16902

P0R20501 P0R20502

C197

P0C19702
P0C19701

U47

C251

P0C25002

P0C25101

P0U5501
P0U5502

P0R25801 P0R25802

P0U5503
P0U5504

R258

P0U5505
P0U5506

P0U5507
P0U5508

P0U5509

P0U55010
P0U55011

P0U55012
P0U55013

P0U55014 P0U55015

P0C25001

P0C25102

P0U55028
P0U55027

P0U55026
P0U55025
P0U55024

P0U55023
P0U55022

P0U55021
P0U55020
P0U55019

P0U55018
P0U55017

P0U55016

U55

P0C30701
P0C30702

R271

R303

P0R30401 P0R30402

P0C34102

C341

P0C34201

P0L4901 P0L4902

C307

P0R27101 P0R27102

R302

P0R30201 P0R30202

P0R30301 P0R30302

P0C34101

R301

L49

P0C35602

C356

P0C35601

R192

D21

P0R19301 P0R19302

P0U4001
P0U4002

P0U4003
P0U4004

P0U4005
P0U4006

P0U4007 P0U4008

P0D2102

P0D2103 P0D2104

P0D2105

U40

P0D2101

P0D2106

P0U40014
P0U40013

P0U40012
P0U40011

P0U40010

P0U4009

C249

C250

P0C24902
P0C24901

Y3

P0C24801

C270

P0C27001 P0C27002

U54

P0U5401

P0U5402

P0U5403 P0U5404

P0U5405

P0U5406

U60

C293

P0U6001

P0C29301

P0C30601

P0U6002
P0U6003

P0C29302

P0C30602

P0U6004 P0U6005

C306

P0D2801

P0D2802

P0D2803

P0F1001

P0F1002

P0R30101 P0R30102

F10

R191

P0R19101 P0R19102

P0R19201 P0R19202

C196

P0C19601
P0C19602

C248

P0C24702

P0C24802

U53

P0C28002

P0U5301

P0U5302

P0U5303 P0U5304

P0C28001

P0U5305

P0U5306

P0U6008
P0U6007

P0U6006

D28

P0F901

P0F902

F9

C247

P0C24701

P0Y301 P0Y302

C280

P0Q1203

Q12

P0Q1201

D27

P0D2701

P0D2702

P0D2703

P0F801

P0F802

F8

Q11

P0Q1103

P0Q1101

P0Q1102

P0Q1202

P0D3301

P0D3302

P0D3303

D33

C181

P0C18102
P0C18101

C241

R246

P0U5205

U52

Q10

P0Q1003

P0Q1001

P0Q1002

P0D3001

P0D3002

P0D3003

D30

P0D3102

P0D3201

P0D3202

P0D3203

D31

D32

L28

C143

P0C14302
P0C14301

C158

P0C15801 P0C15802

R158

R175

P0R15801 P0R15802

R176

D19

P0D1902

P0D1903 P0D1904

P0R17501 P0R17502

P0R17601 P0R17602

P0U3801
P0U3802

P0U3803
P0U3804

P0U3805
P0U3806

P0U3807 P0U3808

P0D1905

U38

P0C23101
P0C23102

U49

C245

P0C24101

P0C24102

C246

P0C24502

P0C26002

P0C24601

P0C24501

P0C26001

P0C24602

C260

P0R24601 P0R24602

R257

P0R25701

P0U5203 P0U5204
P0U5202

P0U5201

Q9

P0Q903

P0Q901

P0D2902

D29

P0D2903

P0D3101

P0D3103

P0C27902

C279

P0C27901

Q8

P0Q803

P0Q801

P0Q902

C305

R282

P0D2901

P0U6803

P0U6804 P0U6805

P0U6806

P0R25702

P0Q802

P0R28201 P0R28202

P0U6802

P0U6807

C142

P0C14202

P0C14201

P0L2801 P0L2802

P0U2701
P0U2702

P0U2703
P0U2704 P0U2705

P0C15101

P0C15102

C151

R157

P0R15701 P0R15702

P0C16002

P0D1901

P0D1906

P0C16001

R185

P0U38014
P0U38013

P0U38012
P0U38011

P0U38010

P0U3809

R174

P0R17401 P0R17402

P0R18501 P0R18502

C180

P0C18001

P0C18002

P0R20001 P0R20002

P0R20401 P0R20402

R204

R226

C231

P0R22601 P0R22602

P0U4901

P0U4902

P0U4903

P0U4904 P0U4905

P0C24401 P0C24402

P0U4906

P0U4907

P0U4908

C269

R256

P0C26802

P0C27301

P0C26801

P0C27302

C273

P0C26901 P0C26902

P0R25601 P0R25602

P0U5901

P0U5902

P0U5903

P0U5904 P0U5905

P0U5906

P0U5907

U68

P0U5908

P0C30502

P0RN504 P0RN505

P0RN604 P0RN605

RN6

P0C30501

P0U6801

P0U6808

C141

P0C14102

P0C14101

U27

P0U2708
P0U2707

P0U2706

C160

R200

C218

P0C21802

R220

P0C22301 P0C22302

P0R22001 P0R22002

P0R22501 P0R22502

R225

R232

P0R23201 P0R23202

P0C23801 P0C23802

C244

C259

P0C25901 P0C25902

C268

P0C27802

P0C27801

R240

P0R24001 P0R24002

C278

U59

R270

P0R27601 P0R27602

R276

P0R27001 P0R27002

RN5

P0RN501

P0RN502

P0RN503
P0RN506

P0RN603
P0RN606

P0RN507

P0RN508

P0RN601

P0RN602
P0RN607

P0RN608

P0U7004 P0U7005

L27

P0C14502
P0C14501

C145

P0L2701 P0L2702

C215

P0C21801

R215

C223

C238

RN2

P0RN203

P0RN204 P0RN205

P0RN206
P0RN407

P0RN408
P0RN401

P0RN402

RN4

P0U65026

P0U65027

P0U65028

P0U6501

P0U6502

P0U6503

U65

P0U7001

P0U7002

P0U7003

P0U7006

P0U7007

P0U7008

U70

P0C13701

R149

P0R14901 P0R14902

P0U2601
P0U2602

P0U2603
P0U2604 P0U2605

C147

P0C14701

P0C14702

L29

P0D2202

D22

P0D2201

C214

P0C21501 P0C21502

P0R21501 P0R21502

P0L3601 P0L3602

L36

P0C21402

P0L3501 P0L3502

P0C21702

P0C21701

F7

P0C21401

L35

C237

RN1

P0RN102

P0RN103

P0RN104 P0RN105

P0RN201

P0RN202

P0RN106

P0RN207

P0RN208

P0RN406
P0RN403

P0RN404 P0RN405

P0U65024

P0U65025

P0U6504

P0U6505

P0RN107
P0RN306

P0RN307

P0RN308
P0RN301

P0RN302

P0RN303

RN3

P0U65020

P0U65021

P0U65022

P0U65023

P0U6506

P0U6507

P0U6508

P0U6509

R289

P0R28901 P0R28902

Y6

C137

P0C13702

P0R14801 P0R14802

R148

P0U2608
P0U2607

P0U2606

U26

P0L2401

P0L2402 P0L2403

C146

F5

P0L2901

P0L2902

C155

P0C15502

R165

P0Q702

P0Q701

R214

C217

P0Q703

Q7

P0R21401 P0R21402

L38

P0F701

P0L3802

P0F702

C236

P0C23602

P0C23701

P0C23702

P0L3801

L37

P0C23601

R239

P0RN101

P0C25801

P0R23901 P0R23902

P0C25802

P0RN108

C267

P0RN304 P0RN305

P0C26701

P0C26702

P0U65016

P0U65017

P0U65018

P0U65019

P0U65010

P0U65011

P0U65012

P0U65013

P0Y601 P0Y602

P0D2501

C258

R255

P0R25501 P0R25502

P0C28801

C288

P0C28802

C304

P0C30302

P0C30402

P0C30301

P0C30401
P0U65014 P0U65015

D25

R261

R262

P0R26101 P0R26102

P0R26201 P0R26202

C303

L24

P0L2404

P0C14601

P0F501

P0F502

R154

P0R15401 P0R15402

R155

P0R15501 P0R15502

P0C15402

P0C15401

P0C15501

P0C15701

R164

P0U3301

P0U3302

P0U3303

P0U3304 P0U3305

P0U3309

P0R16501 P0R16502

U33

P0U3306

P0U3307

C179

P0U3308

R190

P0C17901 P0C17902

R209

P0R20901

P0R20902

F6

P0F601

P0F602

P0L3701

P0L3702

P0U4601

P0U4605

P0U4602
P0U4603 P0U4604

P0D2502

P0R24501 P0R24502

R245

R254

P0U5803

P0U5804 P0U5805

P0R25401 P0R25402

P0U5806

P0U6401

P0U6402

P0U6403

P0U6404 P0U6405

P0U6406

P0U6407

P0U6408

U64

C139

P0C13901 P0C13902

P0C14001 P0C14002

C149

P0C14602

C150

P0C15002

P0C14902
P0C14901

P0C15001

U31

P0U3108

C154

C157

P0U3101

P0C15601

C156

P0C15602

P0C15702

P0R16401 P0R16402

P0R17301 P0R17302

R173

C168

P0C16801

P0C16802

P0R19001 P0R19002

P0Q603

P0Q604

Q6

C222

P0C22201 P0C22202

C240

P0C24001

P0C24002

U46

R244

P0R24401 P0R24402

P0C26601 P0C26602

C266

C272

P0C27202

P0U5801

P0U5802

P0C27201

U58

P0U5807

P0U5808

C138

P0C13801 P0C13802

L26

C140

R152

R151

P0C14802

P0R15101 P0R15102

U30

P0R15201 P0R15202

P0U3006

P0U3007

P0U3008

P0U3001

P0U3002

P0U3003

P0U3004 P0U3005

P0U3104 P0U3105

P0C16502
P0R17201 P0R17202

P0C16501

P0C15901

R172
R184

P0R18401 P0R18402

R183

P0R20302

P0C19501

P0L2501 P0L2502
P0C14401 P0C14402

C148

C195

P0L2601 P0L2602

P0U3106

P0U3107

P0U3102

P0U3103

P0C15902

C159

P0R18301 P0R18302

C178 P0C17801 P0C17802

P0Q601

R203

P0R20301

P0D2302

P0L3901 P0L3902

L39

P0Y501

P0Y502

Y5

C312

L25

C144

R150

P0R15001 P0R15002

P0C14801

P0U2906

P0U2907

P0U2908

U29

P0U2901

P0U2902

P0U2903

P0U2904 P0U2905

R163

P0R16301 P0R16302

C165

U36

P0U3601

P0U3602

P0U3603

P0U3604 P0U3605

P0U3609

P0U3606

P0U3607

P0U3608

P0C19502

C207

P0C19401 P0C19402

P0C20701 P0C20702

D23

P0D2301

P0C31202
P0C31201

P0C36502

C365

P0C36501

R156

P0R15601 P0R15602

P0R16201 P0R16202

P0C16401

C194

C243

P0C24301

P0C26501

C265

L42

P0L4201 P0L4202

P0C31102

P0C31101

L54

P0L5401 P0L5402

R162

C164

P0C16402

P0C24302

P0C26502

C311

C364

P0C36401 P0C36402

Temperature Sensor Module
REV 1.13 (ASY 0183)

The Temperature Sensor module is a small board mounted to the main heatsink
of the amplifier/transmitter. The main purpose of the temperature sensor module
is to take temperature readings of the heatsink. The following is a block diagram
of the Temperature Sensor module:

The temperature sensor IC is U701 which, after it has taken a reading, relays the
digital information to the RF PCB module through J700. Also passing through
J700 is a driver disable signal coming from the RF PCB module. The
Temperature Sensor module simply takes this signal and passes it through to a
pad, where a wire connects it to the driver or first gain stage pallet.

In custom applications, there may be multiple temperature sensors installed onto
a heatsink or throughout the system.

1

2

3

4

5

6

Safeguards

Warranty

Terms and

Operation

Principle of

Installation

Operation

7

8

9

10

Control System

RF Components

Power Supply

Maintenance

Troubleshooting

Bill of Materials - ASY 0183
Circuit: Temperature Sensor
Revision: 1.13
Modified: 21-Jan-2014

Item Designations Qty Bin # Description Package

1
2 C707 1 CAP 08402 CAPACITOR 100pF, 50V, 5% SMD 0805
3
4
5 C700, C706 2 CAP 17202 CAPACITOR 0.1uF, 50V, 10% SMD 0805
6 R701,R702 2 RES 3212 RESISTOR, 100 ohm, 1% SMD 0805
7 L700 1 IND 3176
8 J700 1 CON 45021
91

U701

C701

C702, C703

1 ICT 52000 IC, temperture sensor, SPI 8-MSOP

1 CAP 11502 CAPACITOR, 1000pF, 50V SMD 0805
2 CAP 14902 CAPACITOR, 0.01uF, 50V SMD 0805

PCB 0183

INDUCTOR, 22 uH 5% 150MA 1210
CONNECTOR, modular, jack, 8-8 R/A, shielded
PRINTED CIRCUIT BOARD, FR4, 0.062"

SMD 1210

Web Interface

To access the Technalogix Adrenaline Web Interface, a series of four simple
steps are required:

1. Connect power amplifier/transmitter to your network/PC

2. Open web browser for monitor and control

3. Optimize user parameters

The following pages will describe each step in detail. Descriptions specific to the
user’s computer, router, or network setup are limited due to the differences in the
multitude of networking equipment.

1. Connect Power Amplifier/Transmitter to your Network/PC

Connect an Ethernet cable from the RJ45 port (labelled ETH / SNMP – use
bottom connector) on the back panel of the power amplifier or transmitter to
your network’s Ethernet connection. Most new computers can do this with a
standard Ethernet cable but older network cards may require a crossover
Ethernet cable.

If preferred in place of the touch screen, a computer can be plugged directly
into the Ethernet port on the power amplifier/transmitter to directly access the
on-board web interface.

Turn on the power amplifier or transmitter to establish communication
between the power amplifier and the network.

The Adrenaline control system in the power amplifier or transmitter will source
an internal IP from your router or you can set this manually (see Optimize
User Parameter section).

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2. Open web browser for monitor and control

The default internal address is http://adrenaline/index.htm. Type this default
internal address into the URL address bar of your favorite web browser. The
web pages cannot be accessed until you have established basic

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communication with the power amplifier or transmitter (turned on).

2.1 Web Page Password Protection

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Terms and

After entering the above internal address into a web browser, you will be
asked for a password. Initially, please use the following:

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username: admin
password: admin

The password can later be changed (see Optimize User Parameter section).

2.2 Main Page Description

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After entering the login information, the main page is then shown on the
browser, as illustrated below for either single amplifier systems or multiple

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amplifier systems that are combined:

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The model number and serial number of the unit are displayed in the top left
of the browser screen.

The Status Flags section provides the user with feedback from the system.
Specifically, there are status flags for:

 RF Carrier is on or off
 Forward RF in Overdrive (>110% Full Scale (FS) )
 High VSWR
 Pallet Voltage Supply Good
 RF In Level Good
 High Temperature

The Performance section provides the user with specific parameters and
measurements in the system. Measurements that can be viewed from the
Performance box are:

 Forward RF Levels as a % of Full Scale (FS)
 Reflected RF Levels as a % of FS
 DC Supply Voltage in volts
 Temperature in °C
 Current of pallet(s) in Adc
 VSWR Trip Point Limit
 AGC measured against 100% FS
 Deviation
 Right Level/Left Level input attenuation
 Frequency in MHz
 Pre-Emphasis, selectable between 0, 25, 50, or 75 us

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The Control section of the web interface screen allows the user to control
functions inside the equipment, including:

 Turn Carrier On/Off - Turn the Carrier on/off
 AGC - Increase the Carrier by removing attenuation (steps of 1

or 10 dB)

 VSWR ↑↓ - Increase or Decrease the VSWR Trip point by 0.1

between 1.1:1 and factory determined limit.

 Frequency ↑↓ - Increase or Decrease the FM carrier frequency

(MHz)

 Analog/Digital – Toggle between analog or digital audio inputs
 Mono/Stereo – Toggle between mono or stereo
 Pre-Emphasis – Toggle between no added em phasis, or 25, 50,

or 75 us emphasis

 Reset - Forces the system to reboot

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3. Optimize user parameters

Also on the main web Ethernet page, along the top, are links to the other user
parameter pages:

 Main – Returns to Main Index page
 Network Configuration
 SNMP Configuration
 Password Configuration

The following sections describe the user parameter pages in detail.

3.1 Network Configuration

The Network Configuration page allows the administrator to optimize the
network settings to best suit their application.

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3.1.1 Host Name

The Host Name shows the current webpage name (default is ADRENALINE).
Enter a new name here if you wish to change this.

For example entering YourCompany will make the web address:

http://yourcompany/index.htm

3.1.2 HTTP Port

The HTTP Port shows the current port used for internet access, 80 or 81. Port
80 is the default and is the accepted standard. Port 81 is available because
some internet providers block access to port 80 unless you pay more.

Be very careful changing HTTP ports as it can be difficult to go back to an
original port.

You can force a web browser to use port 81 by address to:

http://adrenaline:81/index.htm

To use this with an internet address will require port forwarding. Consult your
routers manual to set this up.

3.1.3 IP Addressing

With DHCP enabled the system will automatically try to find a router and
acquire an IP address. If you want to set this manually, uncheck the Enable
DHCP box and enter it below then click Save Config.

To view the webpage from the internet rather than an internal network you
need an external IP address, generally provided by your internet provider.
Note that you can only have one web server using the same port. With this,
anyone can access the system over the internet with something like:

http://www.yourcompanywebaddress.com/adrenaline

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3.2 SNMP Configuration

3.2.1 SNMP Communities

The SNMP Configuration page allows you to set the SNMP communities. Set
these to limit access to the system via SNMP.

Default communities are READ: public

read

WRITE: private
write
public

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3.2.2 SNMP Management Information Base (MIB)

The Technalogix.mib file allows access to the following data via the SNMP
protocol:

Read Only
Pallet Supply Voltage - voltage level (Vdc)
Temperature - temperature in (°C)
48V Current - current on high voltage bus (Adc)
Attenuation - attenuation level
Reflected Level - reflected level as % rated full scale
Forward Level - forward level as % rated full scale
RF Input Level - input level as % rated full scale
Deviation - modulation level as %
Left Level - left audio input level shown as dB
Right Level - right audio input level shown as dB
Serial Number
Model Number

SNMP Error Flag - error flag, also for trap (see below)
VSWR Flag - error flag for high VSWR
Overdrive - error flag for overdrive
Temperature Flag - error flag for high temperature
Preemphasis - 0,25,50 or 75 us

Read/Write

Reset - 1 Reset System, 0 Normal
Carrier On - 1 Carrier On, 0 Carrier Off
Carrier Up - 1 Increase Carrier Level for AGC target 1%
Carrier Down - 1 Decrease Carrier Level for AGC target 1%
VSWR Trip point - 1-8 for 1.1:1 – 1.8:1
Frequency - 880 – 1080 for 88.0 to 108.0 MHz
Change Preemphasis - rotate through 0,25,50, and 75
AGC Setpoint - set target output power 0-100% rated power
Analog/Digital - 1 Analog audio input, 2 Digital audio input
Digital Input - 1 AES 2 SPDIF 3 TOSLINK
Analog Input - 1 Mono 2 Stereo 3 MPX
Left Attenuation - 0 – 79 dB Attenuation (shows 100dB when

channel disabled)

Right Attenuation

- 0 – 79 dB Attenuation (shows 100dB when
channel disabled)

MPX Attenuation - 0 – 79 dB Attenuation (shows 100dB when

channel disabled)

SCA1 Attenuation - 0 – 79 dB Attenuation
SCA2 Attenuation - 0 – 79 dB Attenuation

Read and Write communities can be set from the web interface, as described
earlier in this section.

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3.2.3 SNMP Traps

To enable the SNMP traps, within the MIB browser that you choose:

Set enable traps to 1 (or yes, depending on MIB browser).

Set the IP address to that of the receiving computer.

Set the community to one of the read communities set above.

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Ensure that your receiver’s port is set to 162
The system will generate a general trap on any error flag and send an 8-bit

value indicating the type of error, as follows:

Bit 0(LSB) Overdrive
Bit 1 High VSWR
Bit 2 High Temperature
Bit 3 High Speed Hardware Shutdown
Bit 4(MSB) High Input Level

As an example, the following is a screen shot of a high temperature fault
(Value 4).

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3.3 Password Configuration

This page allows the setting of the web browser’s User or Admin password,
as illustrated below.

The User account allows access only to the main page. The Admin account
allows access to the main and all the configuration pages.

Passwords are to be a maximum of 7 characters long. Don’t forget your
password. Resetting passwords isn’t as fun as it sounds and may cause loss
of all settings.

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2

Remote Control (via DB25)

An additional option for remote control of the power amplifier/transmitter is
through the DB25 connector found on the back panel of the power
amplifier/transmitter, as illustrated below:

Attach a male DB25 cable
to this female connector

The overall functions of each pin on the Remote Port are indicated in the
following DB25 pinout:

Pin Number Description

1 Ground
2 Forward power sample1
3 Reflected power sample1
4 Carrier off2

5 Carrier on2
6 3 Increase carrier level 1%, if AGC on2
7 3 Decrease carrier level 1%, if AGC on2

8 Do not use

9 Reset

10 Do not use
11 High temperature flag2
12 High VSWR flag2
13 Amplifier overdriven flag2
14 Do not use
15 +3.3Vdc (for testing only, do not load)
16 Ground
17 Ground

18-25 Do not use

Notes: 1. Analog output with voltage ranging from 0 to 3.3Vdc.

2. Open collector configuration on RF 1.04 and later. On RF 1.04 and
later, ground to activate input control on inputs; ground indicates fault
occurrence on fault outputs. On RF 1.03 and earlier, the inputs are TTL
digital inputs, active on rising edge and the outputs are active high.

3. If AGC off, these pins turn on AGC to the current FWD level, +/- 1%.
In addition to the DB25 parallel data connector, the user may chose to remotely

control the RF amplifier/transmitter via an optional Ethernet web server or
through an optional Simple Network Managed Protocol (SNMP) interface,
described later in this section.

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RBDS and RDS

Radio Broadcast Data System (RBDS) is commonly used for FM broadcast in
North America, while the Radio Data System (RDS) is implemented in Europe. In
1998, the two standards were largely unified. Both systems are implemented as
standard features on Technalogix FM transmitters, including the control,
generator, and interface.

RDS uses a subcarrier to embed the FM signal with information. This can be
used to transmit time, station identification, programming information and more.

To control the RBDS/RDS connect to the DB9 on the back of the unit using a
RS232 connection. A USB-to-RS232 or Ethernet-to-RS232 convertor can be
used instead (not included with transmitter).

To interface with the RBDS/RDS you need to install the Magic RDS software.
Magic RDS software is found at http://www.pira.cz/rds/MagicRDS_Setup.exe.

General operating questions are answered here:

http://www.pira.cz/rds/show.asp?art=magic_rds_how_to.

The RBDS/RDS subcarrier level can be adjusted using R108 on the FM Exciter

1.01 circuit board. It should be set between 1.5 and 10% modulation. It is
recommended to turn to 0% if not RBDS/RDS is not being used to provide the
maximum available modulation for the audio signal.

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RF Components

FM Amplifier Pallets

The following is a summary of the typical FM amplifier pallets used in
Technalogix power amplifiers and transmitters out of the many pallets that have
been designed for production or custom applications. The exact bias and drain
currents of your system are found in the Final Inspection Report supplied in the
Quickstart package. Output power levels are absolute maximum levels.
Technalogix operates the pallets at reduced levels to improve performance and
increase reliability.

PB1A-50-1000-1042H

Typical gain 21.5 dB
P

max (NTSC) 1 W peak sync

out

P

max (8VSB) 0.4 W rms

out

P

max (DVB-T) 0.25 W

out

Pin max 15 dBm
Frequency 50 – 1000 MHz
ID max 0.47 Adc
VD 24 Vdc

PB1000F-88-108-188XR

Typical gain 25 dB
P

max (FM) 1050 W peak saturated at 50V

out

P

max (DVB-T) 400 W

out

Frequency 87.5 – 108.1 MHz
ID max 28 Adc
VD 48 Vdc

PB1200F-86-110-574-25

Typical gain 25 dB
P

max (FM) 1050 W peak saturated at 50V

out

P

max (DVB-T) 400 W

out

Frequency 87.5 – 108.1 MHz
ID max 28 Adc
VD 48 Vdc

PB1200F-86-110-574-49

Minimum 25 dB
P

max (FM) 1200 W peak saturated at 50V

out

Frequency 87.5 – 108.1 MHz
ID max 32-36 Adc
VD 32-50 Vdc

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PB25C-86-110-xxx

PB1200C-86-110-574

Typical gain 40 dB
P

max (8VSB) 25 W rms

out

Frequency 88 – 108 MHz
Pin max 10 dBm
ID max 1.6 Adc
VD 28 Vdc

Typical gain 25 dB
P

min (FM) 1125 W (w/ 3.5 W input)

out

Frequency 86 – 110 MHz
Pin max 10 dBm
ID typ 32 - 36 Adc
VD 32 - 50 Vdc

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Splitter/Combiner

If used, the splitter and combiner are used to split the RF signal into, and
combine the amplified RF signal out of the final amplifier pallets, within an
amplifier/transmitter enclosure. The splitter and combiner can be 2-, 3-, or 4-way
depending on how many finals pallets are used. Most designs are based on the
simple isolated Wilkinson combiner design. Due to its electrical and mechanical
symmetry, the Wilkinson design’s performance over moderate bandwidths is
superior to other types.

2-, 3-Way:

4-Way:

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g

–

r

g

g

–

g

–

r

g

g

–

Directional Coupler

The dual directional coupler provides RF samples proportional to forward and
reflected RF power to be converted to DC voltages for monitoring. These analog
voltages are converted for processing using analog-to-digital converters and
provide the control system with valuable data for monitoring purposes. Output
power should be set following the operating procedure found elsewhere in this
manual. The directional coupler uses Type N connectors on lower power systems
and 7-16 DIN connectors are used for increased power handling capability. Other
connectors are available upon request – this connector is typically the RF output
connector on the back panel of the enclosure. On higher power systems, high
power handling connectors are used, especially in the overall output combiner.
On lower power systems, the coupler is typically based on microstrip architecture
on the exciter circuit board.

Frequency Ran

Max Output Powe
Couplin
Couplin

Return Loss > 30 dB (VSWR < 1.07)
Directivity > 30 dB

Environmental Conditions -5 to +55 °C (+23 to +131 °F)
Connectors N, 7-16DIN, EIA 7/8” (dependent on power level)

Frequency Ran

Max Output Powe
Couplin
Couplin

Return Loss > 30 dB (VSWR < 1.07)
Directivity > 30 dB

Environmental Conditions -5 to +55 °C (+23 to +131 °F)
Connectors EIA 1-5/8” or 3-1/8”(dependent on power level)

e 41

100 MHz (option A)
162 – 254 MHz (option B)
470 – 862 MHz (option C)

2 kW DTV (3 kW ATV)

-36 to -60 dB (on any channel)

variation < ±0.15 dB 162

e 41

< ±0.15 dB 470 – 862 MHz

100 MHz (option A)
162 – 254 MHz (option B)
470 – 862 MHz (option C)

254 MHz

20 kW DTV (30 kW ATV)

-48 to -72 dB (on any channel)

variation < ±0.15 dB 162

< ±0.15 dB 470 – 862 MHz

254 MHz

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Filter

Our passive 50 ohm lowpass FM filters reject (and in some cases, absorb)
spurious and harmonic output products and passes the modulated FM output
carrier to the antenna or load.

150W LPF, no coupler

Frequency Range 86 – 110 MHz
Input Power (max) 150 W continuous
Insertion Loss (max) < 0.3 dB
Insertion Loss (typ) < 0.25 dB
Return Loss (max) > 25 dB
Return Loss (typ) > 28 dB
Rejection at 176 MHz > -45 dB

250W LPF, no coupler

Frequency Range 86 – 110 MHz
Input Power (max) 250 W continuous
Insertion Loss (max) < 0.3 dB
Insertion Loss (typ) < 0.25 dB
Return Loss (max) > 25 dB
Return Loss (typ) > 28 dB
Rejection at 176 MHz > -45 dB

800W LPF, no coupler

Frequency Range 86 – 110 MHz
Input Power (max) 800 W continuous
Insertion Loss (max) < 0.25 dB
Insertion Loss (typ) < 0.2 dB
Return Loss (max) > 25 dB
Return Loss (typ) > 28 dB
Rejection at 176 MHz > -60 dB

1,200W LPF, with coupler

Frequency Range 86 – 110 MHz
Input Power (max) 1,200 W continuous
Insertion Loss (max) < 0.2 dB
Insertion Loss (typ) < 0.15 dB
Return Loss (max) > 25 dB
Return Loss (typ) > 30 dB
Rejection at 176 MHz > -47 dB
Directivity (min) 25 dB

1,500W LPF, absorbing, no coupler

Frequency Range 87.5 - 108 MHz
Input Power (max) 1,500 W continuous
Insertion Loss (typ) < 0.1 dB
Return Loss (typ) > 30 dB
Rejection at 176 MHz > 10 dB return loss

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1,500W LPF, with coupler

Frequency Range 86 – 110 MHz
Input Power (max) 1,500 W continuous
Order 9th order Chebyshev
Insertion Loss (max) < 0.2 dB
Insertion Loss (typ) < 0.15 dB
Return Loss (max) > 25 dB
Return Loss (typ) > 30 dB
Rejection at 176 MHz > -47 dB
Directivity (min) 20 dB

1,500W LPF, with -50dB coupler

Frequency Range 86 – 110 MHz
Input Power (max) 1,500 W continuous
Order 9th order Chebyshev
Insertion Loss (max) < 0.12 dB
Insertion Loss (typ) < 0.1 dB
Return Loss (max) > 28 dB
Return Loss (typ) > 33 dB
Rejection at 176 MHz > -47 dB
Directivity (min) 20 dB

2,000W LPF, no coupler

Frequency Range 86 – 110 MHz
Input Power (max) 2,000 W continuous
Order 9th order Chebyshev
Insertion Loss (max) < 0.12 dB
Insertion Loss (typ) < 0.1 dB
Return Loss (max) > 23 dB
Return Loss (typ) > 25 dB
Rejection at 176 MHz > -45 dB

3,600W LPF, with coupler

Frequency Range MHz
Input Power (max) 3,600 W continuous
Order 9th order Chebyshev
Insertion Loss (max) < dB
Insertion Loss (typ) < dB
Return Loss (max) > dB
Return Loss (typ) > dB
Rejection at 176 MHz > dB
Directivity (min) > - dB

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Power Supply Components

Switching AC-DC power supplies are used to power the amplifier pallets, the
control circuits, and all of the fans. The DC system voltage is set at either 24, 30,
or 48Vdc nominally, depending on the system. All fans run off this same DC
supply. The specific DC system voltage is found in the Final Inspection Report,
and the model and number of power supplies, is documented in the Block
Diagram supplied in the Quickstart package.

AC is fed into the power supply enclosure via a filtered AC entry and then
through a circuit breaker/switch. Specific AC current draw is documented in the
Final Inspection Report supplied in the Quickstart package. AC is then converted
to DC using one or more AC-DC switching power supplies.

The following is the switching power supply data sheet(s) used to convert the AC
to DC for the internal amplifier or transmitter components.

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150W Single Output with PFC Function

150W Single Output with PFC Function

SP-150 series

15 mm

Maintenance

If your unit employs a filter on the air inlet for the fans, the filter should be cleaned
every 30 days. If the equipment is operated in a severe dust environment, the
filters on the inlet fan may need to be cleaned more regularly. Turn the system off
and unplug all of the AC inlet cords. The filter can be lifted off the fan and
cleaned using an air compressor at low pressure. While the filter is out, clean the
fan blades themselves with a small brush. The fans themselves do not need
lubrication.

The interior of the cabinets should be cleaned and inspected annually. Turn the
system off and unplug all of the AC inlet cords. Remove the top lid by unscrewing
the 6-32 machine screws.

Use extreme caution when working near the AC input terminal. The
power amplifier/transmitter and power supply store hazardous
capacitances and voltages.

Using either compressed air or a brush with soft bristles, loosen accumulated
dust and dirt and then vacuum the interior of the cabinet. Complete a visual
inspection of the interior, making sure there are no loose connections or
discolorations on any components from heat. Nothing inside the power amplifier
or transmitter enclosure exceeds a temperature that is not comfortable to the
touch under normal operating conditions (unless it is RF!), so any signs of
discoloration indicate potential damage.

All modular components inside the enclosure are attached to aluminium
mounting plates for easy removal and replacement. Ensure that plates are
secured and the mounting hardware is tight.

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Troubleshooting

The first and most important aspect of troubleshooting anything is to be
systematic. Note where you have looked and what you found.

Look first for the obvious.
 Make a physical inspection of the entire facility. Are all necessary

connections properly made? Do you see any signs of obvious damage within
the equipment?

 Is the AC power ‘ON’ to the site and the equipment? (Check fuses and circuit

breakers if necessary.)

 Are all the switches in the correct operating position?
 Is the input signal present and at the correct level?
 Check dis play readings for presence of forward and reflected power and DC

supply levels.

The following flowcharts are an aid in determining the fault if some aspect of the
system is not operating.

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Properly terminate PA into 50ohm load.

(

O

p

)

Apply proper AC power to back panel

check if 110V or220V).

Turn on AC rocker switch on back panel.

AC-DC Power Supply (PSU) Troubleshooting

Display

on?

NO

AC breaker tripped?

NO

Turn off power from back panel.

Remove lid of enclosure with power supply.

AC voltage present

on PSU in

DC voltage present

on PSU output?

Disconnect DC loads (tape off so they do not

to see if DC output loaded down.

short out

Proper DC voltage

on PSU output?

shutdown mode?

Remove shutdown conditions and

reset the PSU.

Is PSU in

YES

ut?

YES

NO

N

YES

YES

NO

YES

YES

NO

DC

voltage on

display

correct?

NO

Reset circuit breaker on back panel.

DANGEROUS

VOLTAGES INSIDE!

Faulty AC connection, entry, switch, or breaker.

Screen not displaying, but DC PSU

voltage okay. Troubleshoot control

system.

Pallet, fan, or control system loading PSU down.

Troubleshoot control system or RF signal path.

Bad PSU - magic smoke released.

Replace PSU.

YES

Display and

PSU come

back on?

YES

NO

PSU is

operating

correctly.

Last Updated: 12-Jul-2011

Front panel
membrane

Buttons (if used)

functioning?

NO

Alternative

button inputs

on remote

port working?

NO

AC-DC power

supply output

at proper
voltage?

YES

PSU wiring

inputs to

control PCBs

secure?

YES

Bad

membrane

switch or

control PCB

Contact

Technalogix

for further

information

YES

NO

YES

Membrane

connected

properly to

PCB?

YES

Bad / loose

membrane

connector /

wiring

Follow power
supply trouble­shooting guide

Control System (Adrenaline) Troubleshooting (1 of 2)

Display

showing text

and data

accurately?

NO

Is text /

graphics

readable?

YES

FWD and

RFL display

data

accurate?

YES

YES

NO

NO

Display pins /

connector

seated

properly?

Type of

modulation,

A/V ratio, etc

correct?

YES

YES

Replace pre­programmed

touchscreen

or display

DC or RF

from dir.

coupler

correct?

Contact

Technalogix

for further

information

Remote port

working

correctly?

Check cable
that mates to

DB25 panel

connector

Is external
equipment

loading down 5V

or 3V on port?

Contact

Technalogix

for further

information

Power supply

display data

accurate?

YES

NO

RF or DC

Distribution

PCB issue

Contact

Technalogix

for further

information

Contact

Technalogix

for further

information

DANGEROUS VOLTAGES

INSIDE ENCLOSURE!

NO

NO

YES

YES

Power external

equipment from

dedicated

power supply

Goto page

2 of 2

Last Updated: 29-Aug-2011

Ethernet
interface

functioning?

YES

Control System (Adrenaline) Troubleshooting (2 of 2)

SNMP

interface

functioning?

YES

Communication

between PCBs

working (CAN)?

Display Interface
orange S/W LED

flashing?

Is FWD, RFL, or

DC voltage

displayed on

screen?

DANGEROUS VOLTAGES

INSIDE ENCLOSURE!

NO

YES

NO

YES

Contact

Technalogix

for any

issues not

listed

Display Int. not

communicating with

RF PCB. Check

CAT5 cables

Contact

Technalogix for

any issues not

listed

Last Updated: 29-Aug-2011

Thank you

for choosing

Technalogix Ltd.

If there is anything we can do to help in your success, please do not hesitate to
contact us. We also welcome suggestions for product improvements or feature
enhancements, as long as it is not a built in coffee maker.

1

2

3

4

5

Safeguards

Warranty

Terms and

Operation

Principle of

Installation

Operation

6

7

8

9

10

Control System

RF Components

Power Supply

Maintenance

Troubleshooting