BLUE DIGITAL VIDEO
8VSB version
(mod. DTVC)
User Manual
Volume 1
Superior Broadcast Products
17194 Preston Rd. Suite 102-297, Dallas, TX 75248. www.sbp-tv.com
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Blue Digital Exciter User Manual
DTVC - User Manual
Version 1.0
© Copyright 2009
File Name: BLUE DIGITAL VIDEO_DTVC_8VSB_ING_1.0.indb
Version: 1.0
Date: 20/03/2009
Revision History
Document History
Date Version Reason Editor
20/03/2009 1.0 First Edition
E. montagna /
P. Marras
Superior Broadcast Products
17194 Preston Rd. Suite 102-297, Dallas, TX 75428
Tel: 800 279-3326 | 800 695-7919
www.sbp-tv.com
All rights reserved.
Printed and bound in the U.S.A . No part of this manual may be reproduced, memorized or transmitted
in any form or by any means, electronic or mechanic, including photocopying, recording or by any
information storage and retrieval system, without written permission of the copyright owner.
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Table of Contents
1. Preliminary Instructions ...................................................... 5
2. Warranty ................................................................................ 5
3. First Aid ................................................................................. 6
3.1 Treatment of electrical shocks ..............................................6
3.2 Treatment of electrical Burns ................................................ 6
4. Unpacking ............................................................................ 7
4.1 General Description ..............................................................8
5. Quick guide for installation and use ................................. 9
5.1 Preparation ............................................................................ 9
5.2 First power-on and setup .....................................................10
6. Operating System .............................................................. 12
6.1 Using the encoder ................................................................ 12
6.2 Software .............................................................................. 13
7. Technical Specications ................................................... 38
8. Working Principles/Functional Description ........................ 39
8.1RFCongurations ..............................................................39
8.2 Power Supply ....................................................................... 39
8.3 Cooling system ..................................................................... 39
8.4 CPU (MAIN BOARD) ...........................................................39
8.5 Modulator ............................................................................ 40
8.6 PA Interface Card ................................................................. 40
9. External description ........................................................... 41
9.1 Front panel ........................................................................... 41
9.2 Rear panel ............................................................................ 42
9.3 Connectors .........................................................................43
10. Systems Status Enquires ................................................... 44
11. Abbreviations ..................................................................... 47
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1. Preliminary Instructions
• General Warnings
This equipment should only be operated, installed and
maintained by “trained” or “quali ed” personnel who are familiar
with risks involved in working on electric and electronic circuits.
“Trained” means personnel who have technical knowledge of
equipment operation and who are responsible for their own
safety and that of other unquali ed personnel placed under
their supervision when working on the equipment.
“Qualified” means personnel who are trained in and
experienced with equipment operation and who are
responsible for their own safety and that of other unquali ed
personnel placed under their supervision when working on
the equipment.
WARNING: Residual voltage may be present inside
the equipment even when the ON/OFF switch is set to
Off. Before servicing the equipment, disconnect the
power cord or switch off the main power panel and
make sure the safety earth connection is connected.
Some service situations may require inspecting the
equipment with live circuits. Only trained and quali ed
personnel may work on the equipment live and shall be
assisted by a trained person who shall keep ready to
disconnect power supply at need.
R.V.R. Television shall not be liable for injury to persons or
damage to property resulting from improper use or operation
by trained/untrained and quali ed/unquali ed persons.
WARNING: The equipment is not water resistant.
Any water entering the enclosure might impair proper
operation. To prevent the risk of electrical shock or
re, do not expose this equipment to rain, dripping or
moisture.
Please observe local codes and re prevention rules when
installing and operating this equipment.
WARNING: This equipment contains exposed
live parts involving an electrical shock hazard. Always
disconnect power supply before removing any covers
or other parts of the equipment.
Ventilation slits and holes are provided to ensure reliable
operation and prevent overheating; do not obstruct or
cover these slits. Do not obstruct the ventilation slits under
any circumstances. The product must not be incorporated
in a rack unless adequate ventilation is provided or the
manufacturer’s instructions are followed closely.
WARNING: This equipment can radiate
radiofrequency energy and, if not installed in compliance
with manual instructions and applicable regulations,
may cause interference with radio communications.
WARNING: This equipment is tted with earth
connections both in the power cord and for the chassis.
Make sure both are properly connected.
Operation of this equipment in a residential area may cause
radio interference, in which case the user may be required
to take adequate measures.
The speci cations and data contained herein are provided
for information only and are subject to changes without
prior notice. R.V.R. Television disclaims all warranties,
express or implied.While R.V.R. Television attempts to
provide accurate information, it cannot accept responsibility
or liability for any errors or inaccuracies in this manual,
including the products and the software described herein.
R.V.R. Television reserves the right to make changes to
equipment design and/or speci cations and to this manual
at any time without prior notice.
• Notice concerning product intended purpose and use
limitations.
This product is a radio transmitter suitable for frequencymodulation audio radio broadcasting. Its operating
frequencies are not harmonised in designated user countries.
Before operating this equipment, user must
obtain a licence to use radio spectrum from the
competent authority in the designated user country.
Operating frequency, transmitter power and other
characteristics of the transmission system are subject to
restrictions as speci ed in the licence.
2. Warranty
La R.V.R. Television warrants this product to be free from
defects in workmanship and its proper operation subject to
the limitations set forth in the supplied Terms and Conditions.
Please read the Terms and Conditions carefully, as purchase
of the product or acceptance of the order acknowledgement
imply acceptance of the Terms and Conditions.
For the latest updated terms and conditions, please visit our web
site at WWW.RVR.IT. The web site may be modi ed, removed
or updated for any reason whatsoever without prior notice.
The warranty will become null and void in the event the
product enclosure is opened, the product is physically
damaged, is repaired by unauthorised persons or is used for
purposes other than its intended use, as well as in the event
of improper use, unauthorised changes or neglect.
In the event a defect is found, follow this procedure:
1 Contact the seller or distributor who sold the equipment;
provide a description of the problem or malfunction for
the event a quick x is available.
Sellers and Dist ri bu tors can provide the n ec es sa ry
information to troubleshoot the most frequently encountered
problems. Normally, Sellers and Distributors can offer a
faster repair service than the Manufacturer would. Please
note that Sellers can pinpoint problems due to wrong
installation.
2 If your Seller cannot help you, contact R.V.R. Television
and describe the problem; if our staff deems it
appropriate, you will receive an authorisation to return
the equipment along with suitable instructions;
3 When you have received the authorisation, you may
return the unit. Pack the unit carefully before shipment;
use the original packaging whenever possible and seal
the package perfectly. The customer bears all risks of
loss (i.e., R.V.R. shall not be liable for loss or damage)
until the package reaches the R.V.R. factory. For this
reason, we recommend insuring the goods for their full
value. Returns must be sent on a C.I.F. basis (PREPAID)
to the address stated on the authorisation as speci ed
by the R.V.R. Service Manager.
IMPORTANT
The lightning ash with arrowhead, within a triangle, is intended to alert the user of the presence
of dangerous voltage that may constitute a risk of electric shock.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the literature
accompanying the equipment.
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Units returned without a return authorisation may
be rejected and sent back to the sender.
4 Be sure to include a detailed report mentioning all
problems you have found and copy of your original
invoice (to show when the warranty period began) with
the shipment.
Please send spare and warranty replacement parts orders to
the address provided below. Make sure to specify equipment
model and serial number, as well as part description and
quantity.
R.V.R. Television
Via del Fonditore, 2/2c
40138 BOLOGNA ITALY
Tel. +39 051 6010506
3. First Aid
All personnel engaged in equipment installation, operation
and maintenance must be familiar with rst aid procedures
and routines.
3.1 Electric shock treatment
3.1.1 If the victim is unconscious
Follow the rst aid procedures outlined below.
• Lay the victim down on his/her back on a rm
surface.
• the neck and tilt the head backwards to free
the airway system (Figure 1).
Figure 1
• If needed, open the victim’s mouth and check
for breathing.
• If there is no breathing, start arti cial respiration
without delay (Figure 2) as follows: tilt the head
backwards, pinch the nostrils, seal your mouth
around the victim’s mouth and give four fast
rescue breaths.
Figure 2
• Check for heartbeat (Figure 3); if there is
no heartb eat, begin chest compre ssions
immediately (Figure 4) placing your hands in
the centre of the victim’s chest (Figure 5).
Figure 3 Figure 4 Figure 5
• One rescuer: give 2 quick rescue breaths after
each 15 compressions.
• Two rescuers: one rescue breath after each 5
compressions.
• Do not stop chest compressions while giving
arti cial breathing.
• Call for medical help as soon as possible.
3.1.2 If the victim is conscious
• Cover victim with a blanket.
• Try to reassure the victim.
• Loosen the victim’s clothing and have him/her
lie down.
• Call for medical help as soon as possible.
3.2 Treatment of electric burns
3.2.1 Large burns and broken skin
• Cover affected area with a clean cloth or
linen.
• Do not break any blisters that have formed;
remove any clothing or fabric that is stuck to
the skin; apply adequate ointment.
• Administer adequate treatment for the type of
accident.
• Get the victim to a hospital as quickly as
possible.
• Elevate arms and legs if injured.
If medical help is not available within an hour, the victim is
conscious and is not retching, administer a solution of table
salt and baking soda (one teaspoon of table salt to half
teaspoon of baking soda every 250 ml of water).
Have the victim slowly drink half a glass of solution for four
times during a period of 15 minutes.
Stop at the rst sign of retching.
Do not administer alcoholic beverages.
3.2.2 Minor burns
• Apply cold (not ice cold) strips of gauze or dress
wound with clean cloth.
• Do not break any blisters that have formed;
remove any clothing or fabric that is stuck to
the skin; apply adequate ointment.
• If needed, have the victim change into clean,
dry clothing.
• Administer adequate treatment for the type of
accident.
• Get the victim to a hospital as quickly as
possible.
• Elevate arms and legs if injured.
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4. Unpacking
The package contains:
1 DTVC (alias BLUE DIGITAL VIDEO)
1 User Manual
1 Mains power cable
The following accessories are also available from Your R.V.R. Dealer:
• Accessories, spare parts and cables
4.1. General Description
4.1.1 Introduction
The DTVC modulator is con gured as 8VSB. To order please specify the model
type. All versions are equipped with linear and not linear precorrector.
The DTVC is a modulator, there is no need to calibrate lters or other parts in
order to change channel.
4.1.2 Main features
• 8VSB, FULL COMPLIANT
• VHF - UHF DIRECT BAND
• ASI1 AND ASI2 DIGITAL INPUT
• SMPTE-310M/TS DIGITAL INPUT
• LINEAR EQUALIZER WITH JAVA INTERFACE
• NON LINEAR PRECORRECTION WITH JAVA INTERFACE
• S/N (MER) 32 dB MINIMUM
• RF SOFT START
• RVR STANDARD TELEMETRY
• JAVA TELEMETRY VIA USB
• 19”, 2 UNIT RACK
• FULL-RANGE POWER SUPPLY 90-250VAC
4.1.3 Components
• Main Power supply
• Main Digital modulator
• Display LCD
• Bus
• RF pre-driver
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• ASI interface
• Telemetry and telecontrol interface
• Power control and protection
• Directional coupler
• RF driver
• RF ampli er
4.1.4 Front and rear panel
The front panel contains the following indications and connectors:
• BNC connector for RF MONITOR
• Optical encoder
• LCD display (2x40 character)
• Status indicator LED
• USB ready
• Blowers
The rear panel contains the following connectors
• AC mains input & ON/OFF switch
• SMA for digital stream input: ASI1, ASI2
• SMA reference input for 10MHz
• SMA reference output (monitor) for 10MHz
• DB9 for RS232 (service)
• BNC for interlock
• N for RF OUTPUT
• Ground reference
• DB9 for RS485/I
2
C (SERVICE)
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5. Quick guide for installation and use
This section provides a step-by-step description of the machine installation and
con guration procedure. Follow these procedures closely upon rst power-on
and each time any change is made to general con guration, such as when a new
transmission station is added or the ampli er is replaced.
Once the desired con guration has been set up, no more settings are required
for normal operation; at each power-up (even after an accidental shutdown),
the amplifier defaults to the parameters set during the initial configuration
procedure.
The topics covered in this section are discussed at greater length in the next
sections, with detailed descriptions of all hardware and rmware features and
capabilities. Please see the relevant sections for additional details.
5.1 Preparation
5.1.1 Preliminary checks
Unpack the ampli er and immediately inspect it for transport damage. Ensure that
all connectors are in perfect condition.
Provide for the following (applicable to operating tests and putting into service):
√ Full-range 90 to 250 VAC through internal connector, mains power supply with
adequate ground connection
√ For operating tests only: dummy load with 50 Ohm impedance and adequate
capacity
√ Connection cable kit including:
• Mains power cable
5.1.2 Connections
The main fuse can be accessed from the outside, on the rear panel. Extract the fuse
holder using a screwdriver and make sure that it is intact; replace it if necessary.
Connect a suitable dummy load with suitable dissipation power, or antenna, or the
input of nal ampli er to the RF output (see gure 9.2 - item [2]) using a 50-Ohm
coaxial cable with “N”-type connectors.
Note: When you connect the DTVC to other devices, it is necessary to strictly
follow the instructions given by the respective manufacturers, to avoid damages
or danger situations.
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WARNING: Electric shock hazard. Never handle the RF output connector
when the machine is powered on and no load is connected. Injury or death
may result.
Ensure that the POWER switch on the rear panel is set to “OFF”.
Connect the mains power cable to the MAINS terminal board on the rear panel.
Note : The mains must be equipped with adequate ground connection properly
connected to the machine. This is a pre-requisite for ensuring operator safety and
correct operation.
Connect the cable with an ASI signal to the relevant connector (ASI1 or ASI2) on
the back of the machine using a 75-Ohm coaxial cable with SMA connectors.
5.2 First power-on and setup
Follow this procedure upon rst power-on and after making changes to the
con guration of the transmitter in which the ampli er is integrated.
Note : Standard factory settings are RF power output Off (Pwr OFF) and output
power set to 0 (unless otherwise speci ed by customer).
5.2.1 Power-on
Question:
The equipment is turn off?
Answer:
• When you have performed all of the connections described in the previous paragraph,
power on the ampli er using the suitable power switch on the rear panel.
Start up informations should appear brie y on the display, quickly followed by the
main readings. If RF output is disabled, these readings will be zero.
5.2.2 Frequency lock check
Question:
The equipment doesn’t work correctly?
Answer:
• Wait at least 15 seconds from the power on of DTVC, after which the PLL is
locked to working frequency. In case of PLL is not locked, LED ALARMS light
turns on and the problem is stored in ALARMS menu.
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5.2.3 Power check
Question:
The equipment doesn’t work correctly at the power set up?
Answer:
• Ensure that the INTERLOCK light turns off. It indicates that no external interlock
signal inhibites the delivering power from exciter.
• Ensure that the ASI Input is performed by 75 Ohm cables with SMA
connectors.
• Check current RF output setting and enable output (if not
already enabled) following menu path SET ⇒ Power ⇒ ( xxx ).
Output power can also be set in a Pwr OFF condition; in this condition, (Fwd) output
power reading on the display will be 0 (zero), that will be delivered the moment
you switch back to Pwr ON state.
• Check output power level and set to the desired level from the Power Menu,
which you can call up by pressing these keys in the order: SET ⇒ Power ⇒ Power:
xxx %.
Set the desired ampli er output power, whereas the forward power value shown
on the display (Power: xxx %) gives actual output power reading.
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6. Operating System
The exciter is controlled by a microprocessor system. Software operations may
be grouped into two broad categories: start-up and normal operation.
6.1 Using the encoder
The interaction between the user and the exciter’s control software is performed
using the encoder.
Figure 6.1
The possible operations that you can carry out on the encoder are:
• rotation: moves the cursor shown on the display; if you turn the encoder to
the left (counterclockwise), the cursor moves downwards, if you turn it right the
cursor moves upwards; it also permits to increase or diminish the parameters
(turning the encoder left diminishes the parameter, turning it right increases it)
or to select an item from a list of options.
• pushing: push the button once when the cursor is on the name of a
menu to enter in that menu, push it when the cursor is on the name of a
parameter to enter in modi cation mode (the cursor starts blinking); after the
modi cation of a parameter, push the button to keep x the new value.
Set the value by pressing the button, to save in memory you need to press OK
that causes also the exit from menu. Press ESC if you do not want saving it,
that causes the exit keeping the value unchanged; instead in Power Menu (set
=> power) simply con rm the selection and the value will be saved.
If no controls are operated during 2 minutes, the exciter returns to the default
menu.
Turn the encoder counterclockwise
to move the cursor downwards, to
decrease the value of a parameter or to choose an element from
a list of possibilities
Turn the encoder clockwise to
move the cursor upwards, to increase the value of a parameter
or to choose an element from a
list of possibilities
Push the button once to enter in the desired
menu, to enter in modi cation mode or to
con rm a choice
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6.2 Software
6.2.1 Start-up
Upon switch-on, a window that holds and machine informations appears on the
display. The informations regards the date and hour.
Superior Broadcast 8VSB MODULATOR
24/03/2009 10:28:39
Figure 6.1- Example of start-up screen
6.2.1.1 Preset through encoder at Start-up
After the start-up operation the following window is visualized:
:: ATTENTION! ::
:: PRESS BUTTON to Pre-Set :: 07
Figure 6.2
Holding press the encoder button during switch-on, the power goes to zero and
an alternative main window appears on the display.
:: ATTENTION! ::
:: Setting … ::
Figure 6.3
Password: ****
Ï Esc Ok
Figure 6.4
Insert password, when requested, to access to the preset menu, then press OK
to con rm; select ESC to return to normal start-up menu.
Note: in case of rst start-up you can select OK directly to access to preset menu,
otherwise insert the password stored prevously.
Frequency Power Precorrection
Ï
Figure 6.5
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The setting about paramaters on preset menu is the same of the SET menu
decribed in the following.
6.2.2 Default menu
This is an information screen; it shows the main measures.
To access to the Selection submenus press the encoder, turn until the indicator is
highlighted on the desired menu and then press again to con rm.
If no controls are operated through the encoder during 2 minutes, the exciter
returns to this menu and after 5 minutes of inactivity the display lighting will be
turning off.
CH:485,000Hz FWD: 10.0W RFL:0.00W
Alarms ÎStatus Set
Figure 6.6
CH Visualization of the frequency in transmission (CHannel)
FWD Visualization of the forward power
RFL Visualization of the re ected power
Alarms Under this menu is possible enter inside two submenus about
alarms status on the equipment. Turning he encoder, you can move
the cursor to between Reset Alarm and Alarm List submenus.
Status Under this menu is possible view the measures and the main
settings about the equipment, scrolling through multiple pages by
rotating the encoder. To exit press the encoder.
Set Under this menu is possible enter inside to several submenu about
the setting of equipment. Turning the encoder, you can move the
cursor to the next submenu label, the name is displayed in the
upper part of the screen.
6.2.3 Reset Alarms (ALARMS menu)
This menu provides the restore of all the memorized alarms in the DTVC.
Reset Alarms Alarms List(00)
Ï
Figure 6.7
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6.2.4 Alarms List (ALARMS menu)
This menu visualize the historic alarms, the number of alarms memorized is
indicated in parentheses.
Reset Alarms Alarms List(00)
Ï
Figure 6.8
At each alarm is associate the date when it happened.
The possible alarms are as follows:
Input stream absent
Alarm ID1 - Input non present or synchronization loss
FWD Protection
Alarm ID2 - Hardware blockage on output power
RFL Protection
Alarm ID3 - Hardware blockage on output power
Over Temperature
Alarm ID4 - Over-temperature protection
ALC out Range
Alarm ID5 - Automatic Level Control out-of-range
PLL Unlocked
Alarm ID6 - PLL not locked
PA Out Control
Alarm ID7 - Absence of communication with PA RS absent
Driver PA Absent
Alarm ID8 - The signal is not present in the internal ampli cation
card
Out of Service (F3)
Alarm ID9 - The equipment is in Out-of-Service status caused by
FPGA.
NO RF DRIVER CARD
Alarm ID10 - The internal ampli cation card is not present in the
driver slot
NO ASI CARD
Alarm ID11 - The ASI internal card is not present in the driver
slot
Out of Service (PWD)
Alarm ID12 - The equipment is in Out-of-Service status caused
by generic alarm.
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6.2.4.1 Alert Management
The alert management presents two conditions encompasses in same behaviour,
in other words it manages two states of the equipment.
ALARM First Condition:
The rst condition temporarily inhibit the output power of transmitter and are
signalled through the ALARM led turns on.
Alarm counter increases by 1 unit, machine goes into lock-out state and the display
shows the cause for the stop. After the times described below, the machine attempts
to re-start; if a new alarm condition is detected, cycle is repeated over and over
again up to 10 times maximum.
If machine re-starts successfully, all alarm counters are reset after some minutes
of regular operation (the alarms are displayed in the ALARM LIST menu, with date
and time of occurrence). After 10 alarm conditions triggered by the same cause,
the machine goes into fault lock-out mode, a lock-out mode warning appears on
the display and the FAULT led turns on.
The alarm is generated in these cases:
• Digital Input Stream Absence.
Waits 3 Seconds. After 10 attempts, it not generates FAULT condition.
• Overtemperature protection.
Waits 3 Seconds. After 10 attempts, it not generates FAULT condition.
• Hardware protection of internal forward power.
Waits 10 Minutes. After 10 attempts, it generates FAULT condition.
• Hardware protection of internal re ected power.
Waits 10 Minutes. After 10 attempts, it generates FAULT condition.
• Absence of ASI driver or PA driver.
Waits 3 Seconds. After 10 attempts, it not generates FAULT condition.
ALARM Second Condition:
The second condition not inhibit the output power of transmitter and are signalled
through the ALARM led turns on.
The alarm is generated in these cases:
• Software protection of modulator out of control.
• Software protection of modulator with HW/SW internal problems.
• Software protection of ALC out of limits alert.
FAULT Condition:
This condition is generated after 10 ALARM conditions triggered by the same
cause, the machine goes into fault lock-out mode, and is signalled through the
FAULT led turns on, through Graphic User Interface.
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6.2.5 Frequency (STATUS menu)
This menu visualize the information regards the readings of working
parameters.
Rotating the encoder clockwise to pass to next readings.
- 8VSB Modulator -
Frequency: 773,000,000Hz Ð
Figure 6.9
Standard
Visualization of the 8VSB standard and current date.
Frequency
Visualization of working frequency
6.2.6 Power and System (STATUS menu)
This menu visualize the information regards the readings of working
parameters.
Rotating the encoder clockwise to pass to next readings, otherwise rotating it
counter-clockwise to pass to previous readings.
FWD: 0.0W RFL: 0.00W
PRE: Table1 EQU: On
Figure 6.10
FWD
Visualization of the Forward Power.
RFL
Visualization of the Re ected Power.
PRE
Visualization of the current selected precorrection table.
EQU
Visualization of the equalization status.
6.2.7 Current and Voltage (STATUS menu)
This menu visualize the information regards the readings of working
parameters.
Rotating the encoder clockwise to pass to next readings, otherwise rotating it
counter-clockwise to pass to previous readings.
Ï VPA : 33.9V IPA: 1.59A
IDRV: 1.34A Ð
Figure 6.11
VPA
Visualization of the ampli er module voltage.
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IPA
Visualization of the ampli er module current.
IDRV
Visualization of the driver current.
6.2.8 Temperature (STATUS menu)
This menu visualize the information regards the readings of working
parameters.
Rotating the encoder clockwise to pass to next readings, otherwise rotating it
counter-clockwise to pass to previous readings.
Ï Temp .FPGA 1: 25° Temp.FPGA2: 25°
Temp.Total: 25° Temp .PA: 38° Ð
Figure 6.12
Temp FPGA1
Visualization of the temperature on FPGA1.
Temp FPGA2
Visualization of the temperature on FPGA2.
Temp Total
Visualization of the internal temperature.
Temp PA
Visualization of the temperature on power ampli er module.
6.2.9 Reference (STATUS menu)
This menu visualize the information regards the readings of working
parameters.
Rotating the encoder clockwise to pass to next readings, otherwise rotating it
counter-clockwise to pass to previous readings.
Ï Ref. 10MHz: Internal Auto
Ð
Figure 6.13
Ref 10MHz
Visualization of the 10MHz status (Internal or Extermal and Auto
or Manual).
6.2.10 Input (STATUS menu)
This menu visualize the information regards the readings of working
parameters.
Rotating the encoder clockwise to pass to next readings, otherwise rotating it
counter-clockwise to pass to previous readings.
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Ï Input: Presence A
Ð
Figure 6.14
Input
Visualization of presence or absence for A or B ASI stream
6.2.11 Frequency (SET menu)
This menu provides the setting on exciter.
Note: to access in this menu please read the note in chap 6.2.2
Frequency Power Precorrettion
Ï
Figure 6.15
Rotating the encoder clockwise to pass to next settings.
Press the encoder to access the editing of single parameters.
Frequency: 485,000,000Hz
Ï Esc Ok
Figure 6.16
Frequency
Selection of the channel frequency.
The frequency channel set emulates the traditional rotary switches.
By placing the cursor in each of the nine digits you can change the
value from 0 to 9, so the frequency channel had a precision of 1
Hz. Selecting OK this setting is stored, otherwise selecting ESC
each variation is ignored and you return in the previous menu.
6.2.12 Connection and Firmware Version (STATUS menu)
This menu visualize the information regards the rmware and the connection
status of equipment.
Frequency: 485,000,000Hz
Ï Esc Ok
Figure 6.17
Connection
Visualization of the local or remote status.
Ver.
Visualization of the rmware version.
Rel.
Visualization of the rmware release.
6.2.13 Power (SET menu)
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This menu provides the setting on exciter.
Note: to access in this menu please read the note in chap 6.2.2
Frequency Power Precorrection
Ï
Figure 6.18
Rotating the encoder clockwise to pass to next settings.
Press the encoder to access the editing of single parameters.
In the current menu is displayed the power measured as percentage and in W.
( On ) Power : 50% 9.9W
Ï Esc Ok
Figure 6.19
( ON )
Enables (On) or disables (Off) the power supply of the exciter.
POWER
Selection of the output power percentage desired. In case which
the percentage is set at 0%, the power turns off (output power
disabled) and the RF led lit off. When the percentage is set at
another value, the power turns on, the RF led lit on and the ramp
starts for leading the selected value.
Note: pushing the encoder button after the selection the value is con rmed, it
will be save directly on ash memory (do not need to select OK from the same
menu).
6.2.14 Precorrection (SET menu)
This menu provides the setting on exciter.
Note: to access in this menu please read the note in chap 6.2.2
Frequency Power Precorrection
Ï
Figure 6.20
Rotating the encoder clockwise to pass to next settings.
Press the encoder to access the editing of single parameters.
In the current menu you can choose between No-Linear and Linear:
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No-Linear Linear
Ï
Figure 6.21
Selecting no-linear precorrection you can modify the following parameter:
Select Table : Î Default
Esc Ok
Figure 6.22
Select Table
This menu provides to select between thirty non-linear pre-distortion
tables previously set in a java graphical ambient and downloaded to
the machine via USB port. The linear pre-correction of group delay
is unique and it is also previously set in a java graphical ambient.
The selection can be automated in relation to the power output, if
required. Only one linear and six non-linear table will be available
initially.
Selecting linear precorrection you can modify the following parameter:
Equalization : Î On
Esc Ok
Figure 6.23
Equalization
This menu provides to select between ON or OFF.
6.2.14.1 Pre-correction guide on JAVA graphical ambient
The Java Virtual Interface has been created to permit the user, in a simple and intuitive
way, to monitor the measures and the status of the Modulator device, to control all internal
settings and to load and save precorrection’s and equalization’s curves.
With few clicks is possible to change, modify and make operative linear and nolinear precorrection’s curves, through an intuitive graphical interface, different
tables, and optimization’s procedures.
- Installation
1. Make sure that an opportune version of Java Runtime Environment© is installed
in your computer. Assure that it is not less than 1.6.0 ( if you do not know the
actual JRE installed, simply write java – version in the prompt of your system).
In every case an 1.6.0 version is included in the Installation Cd provided with
the Modulator.
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2. Turn on the Modulator and plug in the Usb cable between the computer and
the device. When the Virtual COM’s driver is requested you can nd it in the
Cd provided with the device and install it.
3. Unplug the Usb cable from the computer
4. Load the Cd on your computer, it will start automatically ( otherwise open the
Installation Cd and run BDVInstaller.exe ). Follow the installation instruction
until the end.
5. The Java Virtual Interface is correctly installed.
- General
The rst screen looks like this:
The meaning of every single items will be explained in different following section
of this chapter.
The tool bar is shown in the following gure:
Follows an explanation of every single button:
[1] Access to the previous menu
[2] Access to the next menu
[3] Save the setting’s value in a le
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[4] Print the setting’s value
[5] Access to the Status Menu
[6] Access to the Precorrection Menu
[7] Access to the Equalization Menu
[8] Access to the Setting Menu
[9] Search value
[10] Exit saving or without save
Clicking this button it will appear a dialog window:
When the Usb cable is plugged in, Java Virtual Interface will recognize the Virtual
Port automatically and show it in the following section:
- Status Menu
The Status Menu provides to allow the visualization of the general parameters
and standard measures relative to the power, frequency, temperatures and alarms
of the Modulator. The page is divided in four sections: General, Temperature,
Measure and Alarm.
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• General
◦ Menu type: Visualizes the Standard of modulation ( 8VSB, DVB-T, ...)
◦ Mode: Visualizes if the device is set Local or Remote
◦ ALC: Visualizes if the Automatic Level Control is Present or Absent
◦ Frequency: Visualizes frequency in Hz
◦ Power: Visualizes the power’s percentage set
◦ PLL: Visualizes if the PLL is Locked or Unlocked
◦ Stream ASI: Visualizes if the ASI Stream is Present or Absent
• Temperature
◦ PA Temperature: Visualizes the measure of the Power Amplifier’s
temperature
◦ Local Temperature: Visualizes the measure of the Main Board’s
temperature
◦ FPGA1 Temperature: Visualizes the measure of the FPGA1’s temperature
◦ FPGA2 Temperature: Visualizes the measure of the FPGA2’s temperature
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• Measure
◦ Direct Power: Visualizes the measure of the Direct Power
◦ Re ex Power: Visualizes the measure of the Re ected Power
◦ PA Voltage: Visualizes the measure of the Power Ampli er’s voltage
◦ PA Current: Visualizes the measure of the Power Ampli er’s current
◦ IDRV Current: Visualizes the measure of the Power Driver’s current
• Alarm
Visualizes the alarm list and the time of occurrence:
◦ ALARM1 → Input stream absent : Input non present or synchronization loss
◦ ALARM2 → FWD Protection : Hardware blockage on output power
◦ ALARM3 → RFL Protection : Hardware blockage on output power
◦ ALARM4 → Over Temperature : Over-temperature protection
◦ ALARM5 → ALC out Range : Automatic Level Control out-of-range
◦ ALARM6 → PLL Unlocked : PLL not locked
◦ ALARM7 → PA Out Control : Absence of communication with PA RS absent
◦ ALARM9 → Driver PA Absent : The signal in the internal ampli cation card
is not present
◦ ALARM10 → Out of Service (F3) : The equipment is in Out-of-Service status
caused by FPGA3.
◦ ALARM11 → NO RF DRIVER CARD : The internal ampli cation card is not
present in the driver slot
◦ ALARM12 → NO ASI CARD : The ASI internal card is not present in the
driver slot
◦ ALARM13 → Out of Service (PWD) : The equipment is in Out-of-Service
status caused by generic alarm.
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- Precorrection Menu
The Precorrection Menu allows to modify, load and save the No-linear Precorrection
curves.
• Select Amplitude or Phase
Permits to choose what type of graphic change.
• Load Curve from Modulator
Permits to load all the curves memorized (both Precorrection’s and
Equalization’s) in the modulator. When the curves are correctly loaded, it will
be wrote “Loaded”.
• Amplitude’s and Phase’s Graphic
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The graphics consist of 64 points, to have more and ne precision in de nition
of the curve.
In the “AM-AM curve” graphic (Amplitude section) the ordinate is between -6
and 6dB in steps of 0.01dB, the abscissa is between -12 and 12 dB with 64
points at the same distance.
Similarly in the “AM-PM curve” graphic (Phase section) the ordinate is between
-25 and 25° in steps of 0.01°, the abscissa is between -12 and 12 with 64 points
at the same distance.
The red curves are de ned and edited from user. The gray are curves of default
which are not changeable and are provided from factory.
To change a parameter of the curve just select one point of the graphic and
drag it wherever you desire, it will change the respective table’s value and,
during the dragging operation, a text close to the mouse pointer will show the
current changing value.
It is also possible to change every single value of the precorrection’s curves
simply changing the value inside the four tables under the graphic.
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The rst two tables are referred to the Default values, therefore cannot be
modi ed, and are referred to the amplitude and to the phase. The last two
tables are the ones that are currently viewed in the present graphic and can
be modi ed for what concerns amplitude and phase by the user. On the rst
column of each table it is pointed out the xed abscissa and on the second
column the ordinate which value can be modi ed by the user.
The buttons allow to do the main operations:
◦ Save Tables: allows to save all the precorrection’s curves on different text’s
les located in the /TABLE directory.
◦ Load Tables: allows to load all the precorrection’s curves from different text’s
les located in the /TABLE directory.
◦ Refresh: allows to send the current curve (both amplitude and phase) to the
modulator, making effective in the spectrum the table’s changing.
◦ Table selector: allows to select what type of table is visualized (Table0(Default),
Table1, ..., Table6).
◦ Set Operative: allows to set the current curves (both amplitude and phase)
as the active curve in the modulator at every start up.
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◦ Precorrection OFF: allows to turn off the precorrection’s function.
◦ Reset Selected: allows to set every value of the selected curve(amplitude’s
or phase’s) to zero.
◦ Save in FLASH Current: allows to save in the modulator’s ash memory the
selected curve (both amplitude’s and phase’s).
◦ The section Interval Selection permits a simple and useful way to create a
curve without the need to move every graphical point. Simply set in the abscissa
the Start point, then the Stop point and nally the Internal point and a quadratic
curve will be generated among the selected points.
◦ Activate Curve Generator: to select this radio button permits to enter in the
Interval Selection mode. It is also possible to select this button directly clicking
the central button of the mouse.
◦ Set Start Position: allows to select the rst point of the quadratic curve’s range.
It is also possible to select this button directly clicking the right button of the
mouse until the desired button’s label becomes reddish.
◦ Set Stop Position: allows to select the last point of the quadratic curve’s range.
It is also possible to select this button directly clicking the right button of the
mouse until the desired button’s label becomes reddish.
◦ Set Internal Position: allows to select the mean point of the quadratic curve’s
range. It is also possible to select this button directly clicking the right button
of the mouse until the desired button’s label becomes reddish.
- Equalization Menu
The Equalization Menu allows to modify, load and save the Linear Precorrection’s
curves.
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• Select Amplitude or Group Delay
Permits to choose what type of graphic change.
• Load Curve from Modulator
Permits to load all the curves memorized (both Precorrection’s and
Equalization’s) in the modulator. When the curves are correctly loaded, it will
be wrote “Loaded”.
• Amplitude’s and Group Delay’s Graphic
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The graphics consist of 64 points, to have more and ne precision in de nition
of the curve.
In the “Amplitude curve” graphic (Amplitude section) the ordinate is between
-3 and 3dB in steps of 0.01dB, the abscissa is between -4.2 and 4.2 MHz with
64 points at the same distance.
Similarly in the “Group Delay curve” graphic (Phase section) the ordinate is
between -100 and 100ns in steps of 0.01ns, the abscissa is between -4.2 and
4.2 MHz with 64 points at the same distance.
The red curves are de ned and edited from user. The gray are curves of default
which are not changeable and are provided from factory.
To change a parameter of the curve just select one point of the graphic and
drag it wherever you desire, it will change the respective table’s value and,
during the dragging operation, a text close to the mouse pointer will show the
current changing value.
It is also possible to change every single value of the precorrection’s curves
simply changing the value inside the four tables under the graphic.
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The rst two tables are referred to the Default values, therefore cannot be
modi ed, and are referred to the amplitude and to the group delay. The last
two tables are the ones that are currently viewed and can be modi ed for what
concerns amplitude and group delay by the user. On the rst column of each
table it is pointed out the xed abscissa and on the second column the ordinate
which value can be modi ed by the user.
The buttons allow to do the main operations:
◦ Save Tables: allows to save all the precorrection’s curves on different text’s
les located in the directory /TABLE .
◦ Load Tables: allows to load all the precorrection’s curves from different text
les located in the TABLE directory.
◦ Refresh: allows to send the current curve (both precorrection’s and
equalization’s) to the modulator, making effective the table’s changing.
◦ Set Operative: allows to set the current curves (both amplitude’s and group
delay’s) as the active curve in the modulator.
◦ Equalization OFF: allows to turn off the equalization’s function.
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◦ Reset Selected: allows to set every value of the selected curve (amplitude’s
or group delay’s) to zero.
◦ Save in FLASH Current: allows to save in the modulator’s memory the current
curve (both amplitude’s and group delay’s).
◦ Send Default: allows to send the default’s curve.
◦ The section Interval Selection permits a simple and useful way to create a
curve without the need to move every graphical point. Simply set in the abscissa
the Start point, then the Stop point and nally the Internal point and a quadratic
curve will be generated among the selected points.
◦ Activate Curve Generator: select this radio button permits to enter in the
Interval Selection mode. It is also possible to select this button directly clicking
the central button of the mouse.
◦ Set Start Position: allows to select the rst point of the quadratic curve’s range.
It is also possible to select this button directly clicking the right button of the
mouse until the desired button’s label becomes reddish.
◦ Set Stop Position: allows to select the last point of the quadratic curve’s range.
It is also possible to select this button directly clicking the right button of the
mouse until the desired button’s label becomes reddish.
◦ Set Internal Position: allow to select the mean point of the quadratic curve’s
range. It is also possible to select this button directly clicking the right button
of the mouse until the desired button’s label becomes reddish.
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- Setting Menu
The Setting Menu provides to visualize and to set the parameters relative to the
power, frequency, options and the speci c setting of the Modulator.
◦ Modulator: Visualizes the Standard of modulation ( 8VSB, DVB-T, ...).
◦ Frequency: Visualizes frequency in Hz. Clicking inside the text’s b ox it will
open a dialog’s window. Change to the desired value and then press the Send
button, otherwise close the dialog’s window.
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◦ Power(%): Visualize the power’s percentage. Clicking inside the text’s box it
will open a dialog’s window. Change to the desired value and then press the
Send button, otherwise close the dialog’s window.
◦ Power: Select on or off to set the power on or off.
◦ Precorrection: allows to visualize and to select what type of table is operative
on the start up of the modulator (Table0(Default), Table1, ..., Table6).
◦ Equalization: Select on or off to set the equalization’s presence or absence.
◦ 10MHz ref.: Select Automatic or Internal to set 10MHz’s reference automatic
or force it internal.
◦ Ref.Offset: Visualizes the offset’s value of the 10MHz’s reference. Clicking
inside the text’s box it will open a dialog’s window. Change to the desired value
and then press the Send button, otherwise close the dialog window.
◦ ASI Input: Select A or B to set ASI channel A or B.
6.2.15 Reference 10MHz (SET menu)
This menu provides the setting on exciter.
Note: to access in this menu please read the note in chap 6.2.2
Ref.10MHz Input Option
Ï
Figure 6.24
Rotating the encoder clockwise to pass to next settings.
Press the encoder to access the editing of single parameters.
(Auto) Fine Adjust : - 27
ÎEsc Ok
Figure 6.25
(AUTO) This menu provides to select between AUTO and INT.
If AUTO is selected in case of a 10 MHz external reference is
present, the system switches on it. By the jumper, the internal
oven may be forced to stay on and in temperature, then
in frequency in the event of a possible switching.
If INT is selected, the system is forced to internal reference. In this
mode, you can make ne adjustment of ±2.5 ppm in 127 steps.
6.2.16 Input (SET menu)
This menu provides the setting on exciter.
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Note: to access in this menu please read the note in chap 6.2.2
Ref.10MHz Input Option
Ï
Figure 6.26
Rotating the encoder clockwise to pass to next settings.
Press the encoder to access the editing of single parameters.
Input Selection : Î A
Esc Ok
Figure 6.27
Input This menu provides the ASI primary channel selection. The selection
can be automatic or manual between A or B ASI stream.
6.2.17 Option (SET menu)
This menu provides the setting on exciter.
Note: to access in this menu please read the note in chap 6.2.2
Ref.10MHz Input Option
Ï
Figure 6.28
Rotating the encoder clockwise to pass to next settings.
Press the encoder to access the editing of single parameters.
LCD Time Menu Pwd Crl
ÎEsc
Figure 6.29
LCD contrast:: Î
Esc Ok
Figure 6.30
LCD This menu provides the adjustment of display contrast.
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Set Time : 16 : 26 : 55
Ï Esc Ok
Figure 6.31
Set Time
This menu provides the adjustment of the time.
Set Date : 09 / 12 / 2008
Ï Esc Ok
Figure 6.32
Set Date
This menu provides the adjustment of the date.
New Pwd: 123*
Ï Esc Ok
Figure 6.33
Pwd This menu provides to choose and con rm a password of 4 number.
In case you want to change the password, before insert the old
password, then choose the new password and con rm.
Menu Type : Î Remote
Esc Ok
Figure 6.34
Menu Type This menu provides to choose between LOCAL (you can control
the device only with encoder) or REMOTE (that allows to receive
telecontrol from other sorces like Java or I2C bus).
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7. Technical speci cations
General
Standards available 8VSB
Frequency range VHF-UHF bandwidth (177-213 / 473-862
MHz 1Hz step ) direct band
Cooling Forced air
RF output connector N female
Impedance 50 Ohm
Load mismatch 2:1 Max
RF monitor connector BNC (50 Ohm)
Nominal Power 8VSB 20Wrms (Class A/B)
Reference Internal 10MHz 1 ppm for year or external
Shoulder at F0±3MHz <-36dB(DTV)
Digital modulation
Modulation 8VSB
S/N (MER) > 32dB for each Power
Mechanical Features
Dimensions 2 Units, 50©0mm depth
Weight 15kg
Operation temperature from -10°C to +45°C
Storage temperature from -20°C to +85°C
Max humidity 90%, non condensing
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8. Working Principles
A brief description of each module’s functions is given below,
8.1 RF Con gurations
The DTVC RF con gurations is 20Wrms in class A/B PA. For greater power is
possible to connect an external ampli er.
The power reading is carried out by a directional coupler thru rms with excellent
performance in terms of linearity and precision.
The driver module is used for regulating the nal output power and in order protect
the following ends through timely attenuation of the output power level by 40dB.
8.2 Power Supply
The power supply is con gured so that it can be easily replaced.
There are two power supply modules: one for the modulator section and one for
for the PA section.
It supports full-range voltages from 90 to 250V
AC
. It is short-circuit protected.
8.3 Cooling system
The machine is equipped with a high performance fan and is included postventilation technology.
8.4 CPU (MAIN BOARD)
This card is de ned as a microprocessor card that hosts the rmware necessary
for the following functions:
• User interface (display 2x20 alphanumeric characters, 6 LED panel)
• RS232
• RS485 / I
2
C
• Interface card I/O (optoisolated inputs and outputs, analog inputs and
outputs)
• PA interface
• MODULATOR block interface
• System Bus interface
• Option Management
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8.5 Modulator
This appears as a block, made up of three FPGA, connected to the CPU via a
dedicated connection. The CPU continuously checks the status of the modulator
and the connection. In the case of a fault it signals the event and tries to reset the
machine if possible.
8.6 PA Interface Card
The interface card performs the following functions:
• Quick measurements and protections on direct and re ected power.
• Regulation of output power.
• Measuring currents at the PA
8.6.1 Quick measurements and protections on FWD and RFL power
The protection functions intervene in the case of high re ected and/or direct power.
They act on the driver by removing the RF signal. They intervene very quickly since
they are implemented through an analogue network. This then noti es the CPU of
the protection that has intervened signalling the event with a message.
The measurement of the direct and re ected power is obtained via the internal/
external directional coupler.
These same measurements are also reported on the external telemetry
connector.
8.6.2 Regulation of the output power
The level of the output power is varied by means of the control signal on the
driver. Every time there is a variation in power or a change of channel the machine
performs a softstart that sets the output to the de ned value. The ALC is inserted
to keep the output power constant. This function, controlled via software, is
implemented by means of an electronic trimmer.
There is no need to perform calibration at each channel change since all
compensations have been tabulated in the CPU.
Additional hardware protections have also been implemented in case the CPU
loses control of the machine status.
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9. External description
This chapter includes the elements of the front and rear panels and a short
description of DTVC for 8VSB standard.
9.1 Front panel
Figure 9.1
[1] DISPLAY LCD graphical display
[2] LOCAL LED Yellow LED, it is lit on when the exciter is set in Local status. In
case the LED ashing, it indicates communications ahead between
exciter and TELECON software
[3] RF LED Green LED, it is lit on when the exciter is switched on
[4] ALARM LED Yellow LED, it is lit on in presence of transmitter failure that not stop
the working functioning (for example communicaton lack between
the modules)
[5] STREAM LED Green LED, it is lit on when data streams are present on ASI inputs.
[6] USB For rmware upgrade or Java control and telemetry
[7] INT.LOCK LED Red LED, it is lit on when exciter is not delivering power because
inhibited by an interlock signal.
[8] FAULT Red LED, it is lit-on in presence of transmitter failure in case of
hardware alarms (for example the breaking of modules). In case the
LED ashing, it indicates the temperature alarm.
[9] RF MONITOR BNC connector for RF test
[10] ENCODER Knob and button for controlling the software
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9.2 Rear panel
Figure 9.2
[1] Ground Not Connected
[2] ASI1 Primary ASI1 digital input
[3] ASI1 Secondary ASI1 digital input
[4] R.F. OUT N connector for output power
[5] INTERLOCK IN Interlock input BNC. The exciter is forced into stand-by when
grounded.
[6] Output PA SMA connector, Interconnected with Input PA
[7] DAC IN SMA connector, Interconnected with DAC OUT
[8] Input PA SMA connector, Interconnected with Output PA
[9] 1PPS OUT Not used
[10] DAC OUT SMA connector, Interconnected with DAC IN
[11] GPS Not used
[12] 10 MHz Out 10MHz reference output
10 MHz In 10MHz reference input
[13] INTERLOCK Not used
[14] RS232 Not used
[15] RJ45 Not used
[16] RS485 DB9 for RVR standard I2C bus telemetry
[17] MAINS & POWER Standard IEC connector for the network. 90-250V & ON/OFF switch
[18] MAIN FUSE Fuse for mains voltage
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9.3 Connectors
9.3.1 RS232
Type: Female DB9
1 NC
2 TX DATA
3 RX_DATA
4 Not connected
5 GND
6 Not Connected
7 Not Connected
8 Not Connected
9 Not Connected
9.3.2 RS485/I2C
Type: Female DB9
1 Internal Connected (CAN)
2 Internal Connected (CAN)
3 SDA I2C
4 Internal Connected (RS485 B)
5 GND
6 Internal Connected (RS485 A)
7 SCL I2C
8 Internal Connected (RS485 Z)
9 Internal Connected (RS485 Y)
9.3.3 RJ45 USB type B
1 NC
2 D3 D+
4 GND
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10. System Status Enquiries
Through the MOD TLC300 it is possible to manage telecontrol and telemetry with
I
2
C interface via RS485. For a detailed treatment of MOD TLC300 please refer to
the speci c manual.
In this section will be treated the particular measure that it is possible to see in
the TELECON user interface, in regards to this speci c modulator. For a detailed
treatment of TELECON user interface please refer to the speci c manual.
First of all make sure that the RDMODGSM-TV has a green-face, this indicated
that the MOD TLC300 is correctly working.
Second make sure that the DTVP-ATSC has a green-face, this indicated that the
ATSC modulator is correctly working. Press on the DTVP-ATSC green-face to
allow the visualization of the appropriate menu.
It will follow a brief explanation of every eld of the measure’s table of I/O
section:
• In0 Local/Remote: visualizes if the machine is set in Local or Remote mode
• In1 RF: visualizes the RF status (on or off)
• In2 ALC: visualizes if the ALC is present or absent
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• In4 Lock Status: visualizes if the PLL is lock or unlock
• In5 ASI: visualizes if the Input ASI stream is present or absent
• In9 WAIT: visualizes if it is present an alarm condition that momentary block
the RF power
• In10 WARNING: visualizes if it is present an alarm message
• In11 FAULT: visualizes if the machine is in a fault condition
• In12 Interlock: visualizes if the interlock is present or absent
• In16 Output Mute: not available
• In17 ASI 1 Sync Missing: visualizes if the Input ASI stream is present or absent
in the rst channel
• In18 ASI 2 Sync Missing: visualizes if the Input ASI stream is present or absent
in the second channel
• In19 SMPTE 1 Sync Missing: not available
• In20 SMPTE 2 Sync Missing: not available
• In21 Type Used Input Stream: visualizes the input stream mode, in this case
ASI
• In22 Input Stream Used: visualizes the ASI channel allowed
• Out0 RF Status: allows to set the RF on or off
• Out1 ALC Status: allows to set the ALC on or off
It will follow a brief explanation of every eld of the measure’s table of General
section:
• I/O0 Jumpers: not available
• I/O1 Frequency: visualizes the frequency in MHz
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• I/O2 Frequency: visualizes the frequency in Khz
• I/O3 Frequency: visualizes the frequency in Hz
• I/O6 Power Out Level: visualizes and allow to modify the percentage value of
Power Out
• I/O7 Rise Time: not available
• I/O8 Forward Power: visualizes the forward power in W
• I/O9 Re ected Power: visualizes the re ected power in W
• I/O12 VPA: visualizes the power ampli er voltage
• I/O13 IPA: visualizes the power ampli er current
• I/O14 TEMP: visualizes the power ampli er temperature
• I/O15 IDRV: visualizes the power driver voltage
• I/O16 ALC Status: visualizes the ALC value
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DTVC
11. Abbreviations
8VSB 8-level Vestigial Sideband Modulation
ALC Automatic Level Control
ASI Asynchronous Serial Interface
DHCP Dynamic Host Con guration Protocol.
DNS Domain Name System
DVB Digital Video Broadcasting
DVB-H DVB Handheld Systems
DVB-SH DVB Satellite to Handheld Systems
FEC Forward Error Correction
EXT EXTernal
FFT Fast Fourier Transform
GPS Global Positioning System
INT INTernal
HP High Priority
IP Internet Protocol
LP Low Priority
MIP Mega-frame Initialization Packet
MFN Multi Frequency Network
MPE MultiProtocol Encapsulation
NIT Network Information Table
PCR Program Clock reference
RF Radio Frequency
RX Receiver
SHIP SH Initialization Packet
SYNC SYNChronization
SFN Single Frequency Network
QAM Quadrature Amplitude Modulation
QPSK Quaternary Phase Shift Keying
TI Time Interleaving
TPS Transmission Parameter Signalling
TV TeleVision
TX Transmitter
UHF Ultra-High Frequency
UTC Universal Time Clock
VHF Very-High Frequency
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Blue Digital Exciter User Manual
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