ATOM 25W/40W/50W Revision 1.1
A
TOM
25W/40W/50W
908239
Operator Manual
Document Number: 908239
Revision 1.1
Norsat Internat ional Inc.
110 – 4020 Viking Way
Richmond, British Columbia
Canada V6V 2L4
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Operator Manual
The informati on in this document has been fully revi ewed and is bel ieved to be entirely reliable. Norsat
International Inc., hereinafter r eferred to as Norsat reserves t he ri ght, howev er , to modify any products
herein to impr ov e reli ability, function or design. Norsat does not assume any liabili ty arising out of the
application or use of any product or circuit described herein. Norsat does not convey any lic ense under its
patent rights or t he ri ghts of others.
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Support
Technical Support This manual provides engineers with information necessary to operate t he
applicable system. Technical Support is available from Norsat.
Norsat Internat ional Inc.
Attn: Technical S uppor t
10 – 4020 Viking Way
Richmond, BC
Main: 1 (604) 821-2800
Support: 1 800 644 4562
Sat.support@norsat.com
Customer Service Direct non-tec hnical questions and business-rel ated matters to Customer
Support at the above number.
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REVISION HISTORY
Rev CO
No.
1.0 5521 Initial Release BPetrovic Florence Leung 2013/11/14
1.1 5764 Add details on scre w
Scan this page with signature and attach to Change Order if this section used
Reason For Change Reviewed
By
JGlassford Florence Leung 2014/04/29
lengths for RF Ou tp ut and
Ground Connection
Non-Digital Appro val (O nly if require d)
uthor Date
yyyy/mm/dd
Approver Name:
Approver Signature:
Date:
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TABLE OF CONTENTS
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CHAPTER 1 INTRODUCTION ................................................................................................................ 7
SECTION 1.1 OVERVIEW ........................................................................................................................ 7
BUC - Block Up Converter and Amplifier ........................................................................................................ 7
SSPA – Solid State Power Amplifier............................................................................................................... 7
SECTION 1.2 FEATURES ........................................................................................................................ 8
Inputs and Outputs ........................................................................................................................................ 8
Electrical Interface ......................................................................................................................................... 8
SECTION 1.3 CAUTIONS AND WARNINGS ................................................................................................. 9
CHAPTER 2 INTERFACE CONTROL ................................................................................................... 10
SECTION 2.1 OVERVIEW ...................................................................................................................... 10
SECTION 2.2 J1 – INPUT ...................................................................................................................... 10
BUC............................................................................................................................................................ 10
SSPA .......................................................................................................................................................... 1 1
SECTION 2.3 J2 – MONITOR AND CONTROL INTERFACE .......................................................................... 11
Pin Outs ...................................................................................................................................................... 11
Pin D: Shutdown (i.e. Mute Control) ............................................................................................................. 12
Pin G and H: GND ....................................................................................................................................... 12
Pin A, B, C, J: RS-485 ................................................................................................................................. 13
Pin E, F: RS-232 ......................................................................................................................................... 13
SECTION 2.4 SERIAL PORT SOFTWARE INT ERFACE ................................................................................ 1 4
Controller Responses .................................................................................................................................. 14
Message Definitions .................................................................................................................................... 15
Command Response ................................................................................................................................... 17
Mute Logic .................................................................................................................................................. 18
SECTION 2.5 J3 – DC POWER ............................................................................................................. 1 9
Connector Type .......................................................................................................................................... 19
J3 Connector Pin Outs ................................................................................................................................ 1 9
SECTION 2.6 J4 – RF OUTPUT ............................................................................................................. 20
SECTION 2.7 GROUND CONNECTION..................................................................................................... 20
SECTION 2.8 PHYSICAL MOUNTING/COOLING/WATER-TIGHTNESS ............................................................ 21
APPENDIX A: MECHANICAL DRAWINGS ........................................................................................... 22
Drawings – 25W .......................................................................................................................................... 22
Drawings – 40W and 50W ........................................................................................................................... 25
APPENDIX B: ACRONYMS AND ABBREVIATIONS ............................................................................ 29
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FIGURES
Figure 2-1: J2 Connector Pin Out, Viewed Looking at SSPA/BUC from the Outside ............................................... 12
Figure 2-2: Setup Serial Port ................................................................................................................................ 14
Figure 2-3: Command getident ............................................................................................................................. 15
Figure 2-4: Command getstatus ........................................................................................................................... 15
Figure 2-5: Command getfaults ............................................................................................................................ 16
Figure 2-6: Command resetfaults.......................................................................................................................... 16
Figure 2-7: Command setmute - mute unit ............................................................................................................ 17
Figure 2-8: Command setmute - unmute unit ........................................................................................................ 1 7
Figure 2-9: J3 Connector Pin Out, Viewed Looking at SSPA/BUC from the Outside ............................................... 19
Figure A- 1: 25W Interconnect Locations .............................................................................................................. 22
Figure A- 2: 25W KU SSPA/BUC Assemb ly , wit h out Fans ..................................................................................... 23
Figure A- 3: 25W Base Plate Mounting Locations .................................................................................................. 24
Figure A- 4: 40W and 50W KU SSPA/BUC Assembly, with Fans ........................................................................... 25
Figure A- 5: 40W and 50W Interconnect Locations ................................................................................................ 26
Figure A- 6: 40W and 50W KU SSPA/BUC Assembly, without Fans ...................................................................... 27
Figure A- 7: 40W and 50W Base Plate Mounting Locations ................................................................................... 28
TABLES
Table 1-1: Input and Outputs .................................................................................................................................. 8
Table 2-1: J2 Pin Outs ......................................................................................................................................... 11
Table 2-2: Fault Trip and Reset Points .................................................................................................................. 16
Table 2-3: Commands Summary .......................................................................................................................... 18
Table 2-4: J3 Connector Pin Out .......................................................................................................................... 2 0
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Section 1.1
OVERVIEW
This User’s Guide covers the following product lines:
SSPA-ATOMKU025, SSPA-ATOMKU040, SSPA-ATOMKU050
BUC-ATOMKU025, BUC-ATOMKU040, BUC-ATOMKU050
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Chapter 1
Introduction
BUC - BLOCK UP CONVERTER AND AMPLIFIER
If this unit is a BUC, this unit converts IF to RF in the KU range for the frequencies specified in the original
configuration of this unit and amplifies the power to the specified power.
SSPA – SOLID STATE POWER AMPLIFIER
If this unit is an SSPA only, this unit amplifies the i nput signal to the specified power.
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Section 1.2
FEATURES
INPUTS AND OUTPUTS
Input Type Female N-Type Connector
Output Type Waveguide WR75 (default)
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Table 1-1: Input and Outputs
25W / 40W / 50W
Waveguide WR62
(Adaptors are available to convert output type to
SMA, TNC, or N-Type connectors. Please contact
Norsat for more inform at io n. )
ELECTRICAL INTERFACE
M&C Connector – ten pi n connect or used to interface to a host computer. See Chapter 2 for detailed
descripti on of pin outs.
Power Connector – f our pin c onnec tor used to provide power to unit. See Ch apter 2 for detailed
descripti on of pin outs.
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Section 1.3
CAUTIONS AND WARNINGS
CAUTION: Do not stand in front of waveguide during operation. Especially, do not look into the
waveguide.
CAUTION: Do not allow any items to fall into the unit from the waveguide opening.
WARNING: DO NOT ALLOW EQUIPMENT TO BE IN STANDING WATER. While the BUC/SSPA is
designed to be used outdoors, the equipment is not designed to operate in standing water. Fail ure to
follow this precaution could result in el ectri c shock and injury to persons.
CAUTION: Apply volt age to the DC input connector only as specifi ed in the original configur ation of this
unit. Applic ation of a voltage outside of the specif ied range may cause the unit to become damaged or
non-functional.
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Chapter 2
Interface Control
Section 2.1
OVERVIEW
The unit has three connectors on the input side of the housing and one waveguide port on the output
side. The interface for these connectors is detai led in this document.
On the input side, t her e ar e the f ollowing c onnec tors:
J1 – Female N-type L-band IF Input
J2 – Ten pin circular c onnec tor
J3 – Four pin circular power connector
On the output side, there is one connector:
J4 – WR75 or WR62 waveguide RF output ( specif y at time of order)
Section 2.2
J1 – INPUT
BUC
The IF input is a 50 ohm type-N connector. The input is to be applied here (950-1700 MHz for Extended
Band; 950-1450 MHz f or Regul ar B and) . Also, the 10 MHz signal input is diplexed onto this line.
Therefore, the IF si gnal and 10 M Hz ref er enc e ar e both traveling on this line. The connec tor is DCblocked. Do not exceed +/- 50V DC on this port.
The 10-MHz signal should be ac c ur ate within +/-20ppm, other wise the B UC m ay have difficulty phase
locking to it. The 10-M Hz should be f ree of sideband spurs, parti c ular ly cl ose-in (under 100 kHz), as these
may also cause failur e to lock. Power level of the 10 MHz reference si gnal shoul d be +/-10 dBm.
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SSPA
In the SSPA-only configuration, this is the RF input. It is a precision type-N connector, with performance
to 18GHz. No 10 MHz reference is required for SSPA-only operation.
Section 2.3
J2 – MONITOR AND CONTROL INTERFACE
The serial interface is used to interface the unit t o a host computer. All on-board sensors are read t hrough
this interf ac e, including forward power monitoring. In default mute configuration (refer to section Pin D:
Shutdown (i.e. Mute Control)), use of this connection is opti onal.
PIN OUTS
The monitor and control interface is a ten pin connect or.
CAUTION: EXTREME CARE MUST BE USED WITH THIS CONNECTOR TO AVOID ELECTRO
STATIC DISCHARGE (E S D) . Many units have been damaged by improper E S D pr ec autions. Always use
industry-standard pr actices incl uding wrist straps when comi ng within six inches of these connectors or
any accessories or cables to be attached to this.
The connector is a cannon t y pe c onnec tor with a 12-10 configurati on with pins (Amphenol part number
71-533723-10P). T his connector is a MIL-C-26482 S eries 1 recept ac le, Shell size 12, 10 pins. The
connector i s a “rec eptacle” and it has pins (as opposed to socket s), and r equires the mating connector to
be a “plug” with ten socket s. A n ex am ple mating connector would be Amphenol #PT06A-12-10S. A range
of other plug-com patible Amphenol part numbers for the m ating connector may be used to add options to
the plug such as right - angle, stress relief clam p, m etal color /f inish, etc. Please contact the connector
manufacturer for more information and/or see Amphenol catalog 12-070.
The pin outs are given in Table 2-1 and shown in Figure 2 -1.
Table 2-1 : J2 Pin Outs
Connec tor Pin Function Description
B
C
D
E
F
G
H
J
TX- (RS-485) Host computer TX- signal (signal into unit)
TX+ (RS-485) Host computer TX+ signal (si gnal into unit)
RX+ (RS-485) Host computer RX+ signal (signal out of unit)
SHUTDOWN Controls Muting of Amplifi er
RX (RS-232) Host computer RX signals (signal out of unit )
TX (RS-232) Host c omputer TX signals (signal into unit)
GND Case Ground – Do not exceed 100mA
GND 2 Case Ground – Do not exceed 100mA
RX- (RS-485) Host computer RX- signal ( si gnal out of unit)
Reserved Leave unconnected / open circuited
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D
C
J
B
Figure 2-1: J2 Connector Pin Out, Viewed Looking at SSPA/BUC from the Outside
E F
K
G
H
PIN D: SHUTDOWN (I.E. MUTE CONTROL)
This pin implem ents the shutdown, or mute function, and the user should apply Ground to this pin to mute
the amplifier. When muted, the unit power transistors are turned off, reducing power consumpt ion and
giving an RF output noise close to the thermal noise floor.
Pin D has an internal 50K-ohm r esi stor that can be configured as a pull-up to 4V, or as a pull down to
ground. Because of the c onfigurable pull-up / pull- down resistor , the unit can be configured t o be active
(i.e. not muted) when Pi n D is left open c ir c uited, therefore, no connecti on is necessary on pin D for the
amplifi er t o operate normally.
Pin D is also configurable to be either active high or active low. When configured as activ e high, any
voltage between 3.0 V and 5.0 V (relative to case ground) will m ute the output. When configured as
active low, any v oltage between 0.0 V and 0.8 V (relative to case ground) will mute the output.
The case ground may be connect ed at any location on the outer metal shell of the unit.
PIN G AND H: GND
Ground is connect ed to the amplifier housing. Thi s pi n is elect r ic ally connected to the outer aluminum
shell and thus to t he mounting screws used to hold down the unit. This is for small signal only; any highcurrent connections should use the external screws on the outside of the alumi num case.
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PIN A, B, C, J: RS-485
These four pins form a standard RS-485 por t, with RX+, RX-, TX+, TX-. Use Pin G or H as the ground
reference for this port.
TX+ and TX- are the differ ential pair which carries a signal from the host computer to the unit. RX+ and
RX- are the differential pair which carri es a signal f r om the unit t o the host c om puter. Ensure these are
connected to t he host c om puter RS-485 port accordingly.
A
B
C
J
TX- (RS-485) Host computer TX- signal (signal into unit)
TX+ (RS-485) Host computer TX+ signal (si gnal into unit)
RX+ (RS-485) Host computer RX+ signal (signal out of unit)
RX- (RS-485) Host computer RX- signal ( si gnal out of unit)
PIN E, F: RS-232
Pins E and F form a standard RS-232 port, with RX and TX. Use Pin G or H as the ground reference for
this port. Ensure these are connec ted to the host computer RS-232 port accordingly.
E
F
RX (RS-232) Host computer RX signals (signal out of unit )
TX (RS-232) Host c omputer TX signals (signal into unit)
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Section 2.4
SERIAL PORT SOFTWARE INTERFACE
Communicati ons to and from the serial interf ace is character based. Use any standard “Terminal”
program wit h setup parameters as shown in Figure 2-2.
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Figure 2-2: Setup Ser ia l Port
CONTROLLER RESPONSES
The unit will only gener ate messages in response to a command. Each command r eceived will result in a
single message reply, whic h m ay simply be an Acknowledge message.
In general, comm and responses are returned immediatel y, though the precise command-r esponse delay
varies slightly based on the specific command.
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MESSAGE DEFINITIONS
getident
This command returns the par t number, software revision and serial number of the unit.
Figure 2-3: Command getident
getstatus
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This command instruc ts the unit to respond with fault flag, forward power and temperature. Note: reverse
power, “revpwr”, in the response is a future enhancem ent and is not currently supported.
A “0” after “fault” indicates no faults. A “1” indicates a fault. Use command “getfaults” to
determine what f ault exists.
Power is in dBm.
Temperature is in degr ees C. The t em per ature scale is from –55 to 150 C, with approximately
+/- 2 degrees C accuracy.
Figure 2-4: Command getstatus
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getfaults
This command get s the status of the mute, over temperature and pll loss of loc k .
For mute, “0” indic ates the unit is in an unmuted state. A “1” indi c ates a muted state. Note that a “1”
does not necessarily indicate an error as the unit c ould hav e been c ommanded into a mute state (see
“setmute” command).
For over temp and pll, a v alue of “0” means no error and a v alue of “1” indicates an error.
Figure 2-5: Command getfaults
resetfaults
This command clear s faults under certain conditions. Note that the “mute” fault code indicates muted
state, not necessarily an error. Since the unit can be commanded into mute state, without a fault , the
“resetfaults” command will not clear a mute fault in this situation.
The temperat ur e sensor has a tri p point (above which a fault is triggered) and a r eset point (below which
a fault is autom atically cleared.) The reset point is set below the t rip point to provide hyster esi s. S ee
Table 2-2 for Trip and Reset Points.
The resetfaults command will clear an overtem p fault which has been t r ipped if the unit is currently below
the trip poi nt. If t he fault m ode sensor value is above the trip point, the f ault cannot be cleared. Some
faults may not have a reset poi nt, and must be reset through the “resetfaults” command.
Table 2-2: Fault Trip and Reset Points
Fault Condition Trip Point Reset Point
Mute N/A N/A
Over Temperature 85C 75C
PLL Loss of Lock N/A N/A
Figure 2-6: Command resetfaults
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setmute
This command sets the soft ware mute state of the unit. If the command code is 1, the am plifier will be
muted. If the command code is 0, t he am plifier mute will be controlled as shown in Section Mute Logic.
The mute state can be monit or ed by ex ami ni ng the MUTE code in the “getfaults” message.
Figure 2-7: Command setmute - mute unit
Figure 2-8: Command setmute - unmute unit
COMMAND RESPONSE
The CLI operates on a comm and response format. Each time a command is entered, a response will be
displayed. If a command ex ec uted correctly, an “ok” along with pot ential parameters and values will be
displayed. Otherwise, “err” will be displayed along with a descripti on of t he error.
The potential err or s that may be displayed are:
Invalid Command – The command was not recogni z ed
Invalid Param eter – The param eter was not recognized
Invalid Value – The value was inv alid for the command/parameter
Missing Parameter – A required par ameter was not provided
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Each command response wil l have the following format:
<CR><L F><msg ><C R><LF>
where msg is as descri bed above and i n the commands summary and exam ple tables below. Note that a
response is env eloped by leading and trailing <CR>< LF> char ac ters.
Table 2-3: Commands Summary
Command Param-Value
getident None ok pn <part#> swver <swver#> sn <seria l#>
getstatus None ok fault <fault#> fwdpwr <fw dp wr#> revpwr <revpwr# > temp <temp>
getfaults None ok mute <mute_flag> overTemp <temp_flag> pll <pll_flag>
resetfaults None ok
setmute cmd (0|1)
Pairs
0 = unmute
1 = mute
(enveloping <C R> <LF> characters not shown)
where:
<part#> = unit pa rt number label
<swver#> = software version label
<serial #> = un it s er i al nu mb er l ab el
where:
<fault#> = fault flag, either 0 (no fault) or 1 (fault) .
Use the getfaults command to determine the specific fault(s)
<fwdpwr#> = forward power value, in dBm
<revpwr#> = currently not used but reserved for reverse power
<temp> = internal system temperature in degrees Celsius
where:
<mute_f l ag> = 0 (unit unm ut ed) or 1 (unit mut ed)
<temp_f l ag> = 0 (temp ok) or 1 ( error - over temp c ondition exis t s )
<pll_fl ag > = 0 (pl l ok) or 1 (error – pll l oss of loc k)
ok
Response Format
MUTE LOGIC
The unit will be muted when any of the following conditions exist:
1. A software mute command is i ssued through the serial interfac e.
2. A mute command/signal is issued through the discrete SHUTDOWN line (Pin D: Shutdown (i.e.
Mute Control).
3. A fault conditi on exi sts.
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Section 2.5
J3 – DC POWER
The unit typic ally r equir es 18V t o 54V DC power. Refer to the specific configurati on of t he unit for the
exact voltage r ange. Power is supplied through a four pin type cannon connec tor. Two pins are used to
deliver the posi tive connection and two pins are used for the negat ive connection in order t o reduce
resistance. The negative connection i s inter nally connected to case ground. The negat ive power
connection m ay alter natively be applied directly to the outer aluminum case.
CONNECTOR TYPE
The J3 connector i s a four pi n cannon ty pe c yli ndr ic al connector (AMPHENOL PT07A-12- 4P ) . T his
connector i s a MIL-DT L- 26482 S eri es 1 rec eptacle, Shell size 12, 4 pi ns. (The pins are si z e #16) The
connector i s a “rec eptacle” and it has pins (as opposed to socket s), and r equires the mating connector to
be a “plug” with four sockets. An example mating connector would be Amphenol # PT06E-12- 4S - S R. A
range of other plug-c om patible Amphenol part numbers for the m ating connector may be used to add
options to the plug such as ri ght-angle, stress relief clamp, metal color/fi nish, etc. Please contact the
connector manuf ac turer for more information and/or see Amphenol catal og 12- 070.
J3 CONNECTOR PIN OUTS
Figure 2-9: J3 Connector Pin Out, Viewed Looking at SSPA/BUC from the Outside
B
C
D
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Table 2-4 : J3 Con nector Pin O ut
Pin Name
A Ground or VB V+
C V+
D Ground or V-
Positive volt age is applied to pins B and C (connected internal ly ) . Negative voltage is applied to pins A
and D (connected inter nally).
Pins A and D are connected i nternally to case ground.
Section 2.6
J4 – RF OUTPUT
The output is a standard WR75 or WR62 square waveguide. Specify which fl ange is to be installed at
time of order. Both types of fl anges have a groove for an O-ring seal, whic h is hi ghly r ecommended to
keep moisture out of t he unit.
Also, for outdoor installations, after bolting the waveguide-to-waveguide connection, it is recommended to
add RTV silicone compound as a sealant ar ound the entire perim eter of the joint where the flanges meet .
This will prov ide extr a pr otection against water ingr ess at the flange-to-fl ange interface.
The unit is supplied wit h two screw lengths (four 6-32x3/8" and four 6-32x7/16"); it is the users
responsibility to ensure that the appropriate length of screw is used. Ther e shoul d be at least 4 t hr eads of
engagement (0.125") with the holes in the waveguide flange.
Section 2.7
GROUND CONNECTION
The unit is supplied wit h a 10- 32 screw and i nternal tooth lock washers for grounding purposes. It is
highly recomm ended that the unit is grounded accordi ng to nati onal and local electric al c odes before use.
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Section 2.8
PHYSICAL MOUNTING/COOLING/WATER-TIGHTNESS
The unit is entir ely watertight and suitable for outdoor operation. All joint s are O-ring sealed. The
waveguide port J 4 is not internally sealed, so the antenna feed must be seal ed with a radome or window,
and all waveguide joints should be O-ring sealed if water-tightness is requir ed. Please leave at least 1
inch of clearance around the fan air intake. Unit m ay be mounted upside- down or in any orientation.
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DRAWINGS – 25W
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Appendix A:
Mechanical Drawings
Figure A- 1: 25W Interconnect Locations
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Figure A- 2: 25W KU SSPA/BUC Assembly, without Fans
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Figure A- 3: 25W Base Plate Mounting Locations
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DRAWINGS – 40W AND 50W
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Figure A- 4: 40W and 50W KU SSPA/BUC Assembly, with Fans
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Figure A- 5: 40W and 50W Interconnect Locations
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Figure A- 6: 40W and 50W KU SSPA/BUC Assemb ly, with out Fa ns
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Figure A- 7: 40W and 50W Base Plate Mounting Locations
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Appendix B:
Acronyms and Abbreviations
The following is a li st of acr onyms and abbreviations referenced in this document.
Acronym
BUC Block Upconverter
AMP Amplifier
C Celsius
dBm Decibel-milliwatts
DC Direct Current
ESD Electrostatic Discharge
freq Frequency
GHz Gigahertz
GND Ground
IF Intermediate Frequency
kHz kilohertz
M&C Monitor and Control
MHz Megahertz
mm Millimeter
N/A Not Applicable
ppm Pulses per minute
RF Radio Frequency
RX Receive
SSPA Solid State Power Amplifier
TX Transmit
V Volt
VDC Volts Direct Cur r ent
Definition
908239
29 908239_r1.1 - Operator Manual ATOM KU
25-40-50W.doc
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