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Paradise Datacom HPAC-100-RM, Operation Manual

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Operations Manual: HPAC-100/125/150/200/250-RM SSPA

iii

Table of Contents

Section 4 - Theory of Operation

Introduction ..................................................................................................................... 4-1
Functional Block Diagram .............................................................................................. 4-1
Fault Analysis .................................................................................................................. 4-2

Section 5 - Performance Tests

Introduction ..................................................................................................................... 5-1
RF Specification Tests ..................................................................................................... 5-1

Gain and Gain Flatness .......................................................................................................................... 5-1
1 dB Gain Compression Point ................................................................................................................ 5-1
Input and Output Return Loss ............................................................................................................... 5-1
Spurious .................................................................................................................................................. 5-1
Intermodulation Distortion ..................................................................................................................... 5-2
RF Sample Port ....................................................................................................................................... 5-2

Front Panel Monitors and Controls ............................................................................... 5-2
Parallel Port Monitors and Controls .............................................................................. 5-3
Serial Port Monitors and Controls ................................................................................. 5-3

Section 6 - Maintenance Information

Introduction ..................................................................................................................... 6-1
Maintenance ..................................................................................................................... 6-1

Cover Removal ....................................................................................................................................... 6-1
LCD Contrast .......................................................................................................................................... 6-1
I/O Card Fuses ........................................................................................................................................ 6-1
Fan Removal ........................................................................................................................................... 6-2

Ordering Information ...................................................................................................... 6-2
Warranty Information ...................................................................................................... 6-3

Appendix A - Product Literature

Appendix B - Operation of a 1:1 Redundant HPAC-100/125/150/200/250-RM

Introduction ..................................................................................................................... B-1
Hardware .......................................................................................................................... B-2

HPAC-100/125/150/200/250-RM units ................................................................................................... B-2
Power Supply ......................................................................................................................................... B-2
RF Switch ............................................................................................................................................... B-2
Switch Connector .................................................................................................................................. B-2
Interface Connector .............................................................................................................................. B-3
Fuses ...................................................................................................................................................... B-3

Installation ....................................................................................................................... B-3
DIP Switch Selections ..................................................................................................... B-5

System Architecture .............................................................................................................................. B-5
Local Address ........................................................................................................................................ B-5

Front Panel Operation .................................................................................................... B-5

Operations Menu ................................................................................................................................... B-5

Switch Voltage ................................................................................................................................. B-5
Set Switching Mode ........................................................................................................................ B-5
Set Standby Amp ............................................................................................................................. B-5
Mute Status ..................................................................................................................................... B-6

Summary of Contents for HPAC-100-RM

Page 1: ... Solid State Power Amplifier Operations Manual Paradise Datacom LLC Phone 814 466 6275 1012 East Boal Avenue Fax 814 466 3341 Boalsburg PA 16827 Email sales paradisedata com Drawing No 201081 RA ECO No 697 Revision Date 01 10 02 ...

Page 2: ......

Page 3: ... 2 3 Monitor and Control Connections 2 3 Serial Connector J3 2 3 Interface Connector J4 2 3 Parallel Connector J5 2 3 Switch Connector J6 2 3 Shipment 2 4 Section 3 Operation of Stand Alone Unit Introduction 3 1 Description of Controls Indicators and Connectors 3 1 Front Panel Features 3 1 LCD 3 1 Pushbuttons 3 1 LEDs 3 2 Input Sample Port 3 2 Output Sample Port 3 2 Rear Panel Features 3 2 RF Inpu...

Page 4: ...mperature Threshold 3 21 Enable High Temperature Fault 3 21 Set Low RF Power Threshold 3 21 Enable Low RF Power Fault 3 22 Set High RF Power Threshold 3 22 Enable High RF Power Fault 3 22 Set Reflected RF Power Threshold Reflected power monitor option only 3 23 Enable Reflected RF Power Fault Reflected power monitor option only 3 23 Enable Auxiliary Fault 1 Input 3 23 Set Control Mode 3 24 Queries...

Page 5: ...l Port Monitors and Controls 5 3 Section 6 Maintenance Information Introduction 6 1 Maintenance 6 1 Cover Removal 6 1 LCD Contrast 6 1 I O Card Fuses 6 1 Fan Removal 6 2 Ordering Information 6 2 Warranty Information 6 3 Appendix A Product Literature Appendix B Operation of a 1 1 Redundant HPAC 100 125 150 200 250 RM Introduction B 1 Hardware B 2 HPAC 100 125 150 200 250 RM units B 2 Power Supply B...

Page 6: ...e of Contents Status Menu B 6 Remote Operation B 6 Parallel Port B 6 Serial Port B 6 Communication Protocol B 7 Commands B 7 Set Switching Mode B 7 Select Standby Amp B 7 Queries B 7 Report System Status B 8 Responses B 8 System Status B 9 Manual Switching B 9 ...

Page 7: ...tor points for the 3 RF module unit 4 3 Figure 5 1 Depiction of two tone third order IMD products 5 2 Figure 6 1 View of the front panel circuit card 6 1 Figure 6 2 Removal of HPAC 100 125 150 200 250 RM fans 6 2 Figure B 1 Outline of the 1 1 redundant HPAC 100 125 150 200 250 RM rack mounted system B 2 Figure B 2 Rear view of the 1 1 redundant HPAC 100 125 150 200 250 RM rack mounted system B 4 F...

Page 8: ...Systems options configuration 3 16 Table 3 19 Parallel port configuration 3 16 Table 3 20 Auxiliary power rating configuration 3 16 Table 3 21 Valid M C commands 3 19 Table 3 22 Valid M C queries and associated responses 3 24 Table 3 23 Interpreting BCD format 3 27 Table B 1 Switch connector pin out B 3 Table B 2 Switch connections B 3 ...

Page 9: ...mperatures within the unit for a full fault analy sis The user also has the ability to select additional faults related to the RF output level reflected RF power level and operating temperature An internal attenuator allows up to 20 dB of attenuation to be applied to the RF signal Temperature compensation limits the amplifier s output response from vary ing significantly over the operating tempera...

Page 10: ...pment Supplied The following equipment is supplied with each unit HPAC 100 125 150 200 250 RM Power Cord Rack Slides Rack Extensions Operations Manual HPAC 100 125 150 200 250 RM Solid State Power Amplifier Safety Considerations Potential safety hazards exist unless proper precautions are observed when working with this unit To ensure safe operation the user must follow the information cau tions a...

Page 11: ...y High Current Hazards Many high power devices are capable of producing large surges of current This is true at all voltages but needs to be emphasized for low voltage devices Low volt age devices provide security from high voltage hazards but they also require higher current to provide the same power High current can cause severe injury from burns and explosion The following precautions should be...

Page 12: ...ployed to achieve the same result DO NOT OPERATE THE AMPLIFIER WITHOUT A CONNECTION ON THE RF OUTPUT HIGH RF POWER CAN CAUSE BURNS TO HUMANS ESPECIALLY SENSITIVE TISSUE SUCH AS THE EYES DO NOT PLACE HANDS OR FACE NEAR THE OUTPUT WHEN THE AMPLIFIER IS IN OPERATION Electrical Discharge Hazards An electric spark can not only create ESD reliability problems it can also cause serious safety hazards The...

Page 13: ...Essex CM8 3TD England Phone 814 466 6275 Phone 44 0 1376 515636 Fax 814 466 3341 Fax 44 0 1376 533764 E mail sales paradisedata com E mail sales pardise co uk Rack Mounting The HPAC 100 125 150 200 250 RM is designed to fit in a standard 19 wide EIA rack The unit is 9 rack units high 8 75 inches 222 3 mm Prime Power Connection The prime power connector is a filtered IEC connector The unit can be o...

Page 14: ...0 200 250 RM RF Connectors The RF Input J1 connector a type N female is located in the lower right corner of the rear panel The RF Output J2 connector a CPR137G waveguide flange is located in the center of the rear panel The following directions should be followed while referring to Figure 2 2 Figure 2 2 CPR137G waveguide flange ...

Page 15: ...Sample Port connec tor on the front panel It is a type N female connector Monitor and Control Connections Serial Connector J3 The serial connector is the female 9 pin D connector located on the rear panel A description of the socket functions is given in Section 3 Interface Connector J4 The interface connector is the female 15 pin D connector located on the rear panel It is used for redundant conf...

Page 16: ...otect the HPAC 100 125 150 200 250 RM during shipment use high quality commercial packing methods When possible use the original shipping container and its materials Reliable commercial packing and shipping companies have the facilities and materials to adequately repack the instrument ...

Page 17: ... 200 250 RM LCD A 4 line by 20 character LCD display allows the monitoring of unit temperature output power voltages currents and faults In addition it is used for locally setting sum mary fault options thresholds attenuation values and the RF mute state The active line is indicated by the cursor on the leftmost position of the display Pushbuttons The menus on the LCD display are manipulated with ...

Page 18: ...sample the RF output level of the amplifier The actual sampling value is indicated on the calibration label below the connector Rear Panel Features Figure 3 2 shows an illustration of the rear panel view of the HPAC 100 125 150 200 250 RM Figure 3 2 Rear panel view of the HPAC 100 125 150 200 250 RM l e b a L D E L r o l o C D E L n o i t c n u F e t a t S n O D E L t l u a F d e R t l u a f y r a...

Page 19: ...interface Table 3 2 shows the socket designations The RS 485 wires should be twisted pair for maximum transmission distance Table 3 2 Serial connector 9 socket D connector Interface Connector J4 The 15 socket D connector is used to interface two SSPAs together when in a one for one 1 1 redundant configuration Only a factory supplied cable should be attached to this connector Parallel Connector J5 ...

Page 20: ... l u a F n o n e p O 4 1 2 3 3 1 3 m r a l A y r a m m u S t l u a F n o d e s o l C n o m m o C t l u a F n o n e p O 1 3 2 1 0 3 m r a l A t u p t u O F R t l u a F n o d e s o l C n o m m o C t l u a F n o n e p O 8 2 9 7 2 s u t a t S e t u M d e t u M n e h w d e s o l C n o m m o C d e t u M n e h w n e p O 0 1 9 2 1 1 n o i t i s o P 1 h c t i w S F R 1 s o P n i d e s o l C n o m m o C 2 s...

Page 21: ... status or remote local control of the amplifier The left and right arrow keys are used to scroll through these choices to place a particular item on the display Plus and Minus Keys and These keys are used to toggle an option or increment decrement the displayed value For example if line 3 is the active line and is displaying the mute status of the amplifier pressing the or key will change the sta...

Page 22: ...For serial communications each SSPA is identified by a unit ID in addition to the system address The unit ID is displayed Mute State The mute state determines whether the amplifier radiates any RF signal Amplifier muting can be toggled ON or OFF The operating state is when the mute is toggled OFF The present state is displayed along with being indicated by the Mute LED Attenuation Level An attenua...

Page 23: ...tion of the fault is available on line 1 of the OPS menu Setup Menu The Setup menu is used to select which user selectable faults should be included in the summary fault and also the appropriate threshold values The summary fault of the unit automatically includes voltage current and an over temperature shutdown fault In addition the user can select to include Low RF Power High RF Power High Tempe...

Page 24: ...F unit exceeds a factory set tem perature in order to prevent component damage due to excessive heating When an Over Temperature Shutdown occurs the unit is automatically muted and a fault is indicated until the temperature falls below the High Temperature Threshold value set by the user The user must manually unmute the amplifier when the fault is no longer regis tered If the fault continues to o...

Page 25: ... for controlling the attenuation level Line 3 of the OPS menu must be set to REM and pin 4 of DIP switch 7 must be set to ON to allow inputs from the parallel port The pin out of the parallel connector is given in Table 3 3 Contact Closures A Form C contact closure contains three pins a common a normally open contact and a normally closed contact Three individual sets of contacts are provided for ...

Page 26: ...0 C with a slope of 0 01V K 0 01V C Voltage Inputs The attenuation level of the unit can be controlled by varying the voltage to the attenuation control pin on the parallel port This is accom plished by varying the resistance from this pin to ground Internally this pin is pulled up to 5V through a 10K ohm resistor When calculating the external resistor value use the voltage division equation of Vp...

Page 27: ...ss to both cards is obtained by removing the bottom panel of the chassis The processor card is plugged into the I O card The location of the DIP switches can be seen in Figure 3 4 Specific descriptions of the DIP switches are in the following sections Figure 3 4 HPA I O card with attached microprocessor card DIP Switches The three banks of DIP switches located on the lower portion of the I O board...

Page 28: ... i w S s n i P n o i t c n u F s s e c c A 5 S 5 1 s s e r d d A m e t s y S r e s U 5 S 8 6 e t a R d u a B m e t s y S r e s U 6 S 2 1 d n a B y c n e u q e r F y r o t c a F 6 S 4 3 t n u o C e l u d o M F R y r o t c a F 6 S 6 5 g n i t a R r e w o P y r o t c a F 6 S 8 7 y c n a d n u d e R y r o t c a F 7 S 2 1 s s e r d d A t i n U y r o t c a F 7 S 3 y b d n a t S t o H y r o t c a F 7 S 4...

Page 29: ... F F O F F O F F O 3 N O N O F F O F F O F F O 4 F F O F F O N O F F O F F O 5 N O F F O N O F F O F F O 6 F F O N O N O F F O F F O 7 N O N O N O F F O F F O 8 F F O F F O F F O N O F F O 9 N O F F O F F O N O F F O 0 1 F F O N O F F O N O F F O 1 1 N O N O F F O N O F F O 2 1 F F O F F O N O N O F F O 3 1 N O F F O N O N O F F O 4 1 F F O N O N O N O F F O 5 1 N O N O N O N O F F O 6 1 F F O F F...

Page 30: ...n i P 5 S 8 n i P 5 S 0 0 2 1 F F O F F O F F O 0 0 4 2 N O F F O F F O 0 0 8 4 F F O N O F F O 0 0 6 9 N O N O F F O 0 0 2 9 1 F F O F F O N O 0 0 4 8 3 N O F F O N O 0 0 4 8 3 F F O N O N O 0 0 4 8 3 N O N O N O d n a B y c n e u q e r F 1 n i P 6 S 2 n i P 6 S W 0 0 1 W 0 5 u K X C F F O F F O S L N O F F O W 0 8 W 0 4 u K F F O N O d e v r e s e r N O N O t n u o C e l u d o M 3 n i P 6 S 4 n ...

Page 31: ... 1 F F O F F O W 0 5 1 N O F F O W 0 0 2 F F O N O W 5 2 1 N O N O g n i t a R r e w o P d n a B S L 5 n i P 6 S 6 n i P 6 S W 0 5 F F O F F O W 0 0 1 N O F F O W 0 8 W 0 4 g n i t a R r e w o P d n a B u K 5 n i P 6 S 6 n i P 6 S W 0 4 F F O F F O W 0 8 N O F F O y c n a d n u d e R 7 n i P 6 S 8 n i P 6 S e n o l A d n a t S F F O F F O 1 1 N O F F O 2 1 F F O N O d e v r e s e R N O N O s s e r...

Page 32: ...ation e d o M n o i t a r b i l a C 5 n i P 7 S e l b a s i D e d o M l a C F F O d e l b a n E e d o M l a C N O s n o i t p O m e t s y S 6 n i P 7 S 7 n i P 7 S e n o N F F O F F O h c t i w S x u A N O F F O r o t i n o M r e w o P n r u t e R F F O N O r e w o P n r u t e R h c t i w S x u A r o t i n o M N O N O n o i t a u g i f n o C t r o P l e l l a r a P 2 n i P 1 W S e d o M e l g g o ...

Page 33: ... M C station and a system of SSPA units is achieved through a packet based messaging protocol The communication packet utilizes 8 data bits 1 stop bit and no parity Packet Format A packet is the basic unit of information that is used to communicate between nodes on an SSPA network It can be thought of as a block of bytes formatted into three major components the header data and trailer Each major ...

Page 34: ...e in length depending upon the associ ated command The first byte of the data field contains the unit ID of the amplifier with which the controller is communicating This byte acts as a modifier for the destination address which is especially important when com municating with a redundant SSPA system The unit ID designates which unit should receive the command packet and also designates which unit ...

Page 35: ...All essentially have the same format The M C system sends commands and queries to the SSPA system while the SSPA system sends response messages to the M C Only one command can be sent at a time and the M C system should wait until a valid response is returned from the SSPA system before sending another Commands and queries can be directed to the SSPA system controller or to an individual SSPA unit...

Page 36: ... 1 2 3 Mode 1 byte integer 0 OPS Operations mode 1 SETUP Setup Mode Length 9 bytes Set RF Muting Sets the mute state of the unit Type COMMAND Pkt Length 7 Destination SSPA System Address Source M C Address Command 0x22 Data Unit ID 1 byte integer 1 2 3 Mute State 1 byte integer 0 OFF RF muting is turned off 1 ON RF muting is turned on Length 9 bytes Set Attenuation Sets the amount of RF signal att...

Page 37: ...n is considered a fault and thus contributes to a summary fault condition This command is only recognized in setup mode Type COMMAND Pkt Length 7 Destination SSPA System Address Source M C Address Command 0x25 Data Unit ID 1 byte integer 1 2 3 Fault Monitor State 1 byte integer 0 DISABLE OFF High temperature fault is deselected 1 ENABLE High temperature fault is selected Length 9 bytes Set Low RF ...

Page 38: ...the threshold above which the unit is considered to be transmitting excessive RF output power This command is only recognized in setup mode Type COMMAND Pkt Length 7 Destination SSPA System Address Source M C Address Command 0x28 Data Unit ID 1 byte integer 1 2 3 Power Threshold 1 byte integer 16 56 dBm Length 9 bytes Enable High RF Power Fault Sets whether a detected high RF output power conditio...

Page 39: ...on This command is only recognized in setup mode Type COMMAND Pkt Length 7 Destination SSPA System Address Source M C Address Command 0x2B Data Unit ID 1 byte integer 1 2 3 Fault Monitor State 1 byte integer 0 DISABLE OFF High reflected power fault is deselected 1 ENABLE High reflected power fault is selected Length 9 bytes Enable Auxiliary Fault 1 Input Enable or disable fault monitoring of Aux 1...

Page 40: ...r or an individual SSPA unit by selecting the appropriate unit ID Table 3 22 contains a list of the valid queries the M C can issue and the corresponding response Only one query can be sent at a time and the M C system should wait until a valid response is returned from the SSPA system before sending another query Table 3 22 Valid M C queries and associated responses The following paragraphs give ...

Page 41: ...articular unit Type QUERY Pkt Length 6 Destination SSPA System Address Source M C Address Command 0x33 Data Unit ID 1 byte integer 1 2 3 Length 8 bytes Report Unit Status Requests a report of the operating parameters of a particular unit Type QUERY Pkt Length 6 Destination SSPA System Address Source M C Address Command 0x34 Data Unit ID 1 byte integer 1 2 3 Length 8 bytes Report Unit Diagnostics R...

Page 42: ...complement form or binary coded decimal BCD format The following sections contain some programming hints on how to interpret such data Interpreting 2 s complement data The temperature data sent from the SSPA are 2 s complement integers This per mits negative as well as positive temperatures to be transmitted A discussion of 2 s complement integers will not be given here but a simple routine for in...

Page 43: ...8 shows how the data is transmitted and Table 3 23 is used to interpret the data Figure 3 8 BCD format Table 3 23 Interpreting BCD format As an example the representation of 24 36 in BCD format is shown in Figure 3 9 Figure 3 9 Representation of 24 36 in BCD format 0 0 1 0 0 1 0 0 0 0 1 1 0 1 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 MSB LSB 2 4 3 6 e t y B s t i B t i g i D e d o C 5 e r u g i F B S M ...

Page 44: ... Status 1 byte integer 0 No Go Unit or system has a summary fault 1 Go Unit or system does not have a summary fault Length 9 bytes When this response is coming from the system controller Unit ID 0 the Go status indicates that at least one amplifier in the redundant configuration is operational The No Go status indicates that all amplifiers are faulted For a standalone unit Unit ID 1 2 or 3 the Go ...

Page 45: ...it 2 RFU1 Current 0 OK 1 FAULT Bit 3 RFU2 Over Temp 0 OK 1 FAULT Bit 4 RFU2 Voltage 0 OK 1 FAULT Bit 5 RFU2 Current 0 OK 1 FAULT Bit 6 unused Bit 7 unused RFU3 1 byte aggregate Bit 0 RFU3 Over Temp 0 OK 1 FAULT Bit 1 RFU3 Voltage 0 OK 1 FAULT Bit 2 RFU3 Current 0 OK 1 FAULT Bit 3 unused 0 Bit 4 unused 0 Bit 5 28V Supply Voltage 0 OK 1 FAULT Bit 6 RF Switch 1 0 OK 1 FAULT Bit 7 RF Switch 2 0 OK 1 F...

Page 46: ...ontrol Location 1 byte integer 0 Local 1 Remote Configuration Mode 1 byte integer 0 Operation 1 Setup RF Muting 1 byte integer 0 OFF 1 ON Attenuation 1 byte integer 0 20 dB Power 2 byte binary coded decimal 0 0 55 0 dBm Temperature 1 byte 2 s complement integer 99 99 C Aux Switch Position 1 byte integer 0 NONE No auxiliary switch 1 POS 1 Auxiliary switch in position 1 2 POS 2 Auxiliary switch in p...

Page 47: ...ess Command 0x93 Data Unit ID 1 byte integer 1 2 3 RFU1 Voltage 2 bytes binary coded decimal RFU1 Current 2 bytes binary coded decimal RFU2 Voltage 2 bytes binary coded decimal RFU2 Current 2 bytes binary coded decimal RFU3 Voltage 2 bytes binary coded decimal RFU3 Current 2 bytes binary coded decimal 28V Supply Voltage 2 bytes binary coded decimal Ambient Temperature 1 byte 2 s complement RFU1 Te...

Page 48: ...t ID 1 byte integer 1 2 3 High Temp Threshold 1 byte integer 40 80 C High Temp Fault 1 byte integer 0 DISABLED OFF 1 ENABLE Low RF Power Threshold 1 byte integer 0 55 dBm Low RF Power Fault 1 byte integer 0 DISABLED OFF 1 ENABLE High RF Power Threshold 1 byte integer 0 55 dBm High RF Power Fault 1 byte integer 0 DISABLED OFF 1 ENABLE Reflected Power Threshold 1 byte integer 0 55 dBm Reflected Powe...

Page 49: ...d ACK Response to those commands which do not request responses This packet is issued when the command was accepted by the destination address as being valid Type RESPONSE Pkt Length 7 Destination M C Address Source SSPA System Address Command 0x99 Data Unit ID 1 byte integer 0 1 2 3 Command being acknowledged 1 byte integer Length 9 bytes Command Not Acknowledged NAK Response to those commands wh...

Page 50: ...3 34 Operations Manual HPAC 100 125 150 200 250 RM SSPA 3 Operation of Stand Alone Unit THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 51: ...ermination Functional Block Diagram The HPAC unit is comprised of four essential areas RF components I O card with Processor Power Supplies and the Interface Mechanisms Figure 4 1 shows how these elements are linked together Figure 4 1 System block diagram Figures 4 2 and 4 3 show the basic RF block diagrams for a 2 RF module and 3 RF module unit Power Supplies I O LEDs Pushbuttons LCD Serial Port...

Page 52: ...ules attenuator power monitor diode and couplers comprise the RF components Depending upon the amplifier configuration the number of these components can differ Fault Analysis The fault analysis in the HPAC is extensive Figures 4 4 and 4 5 illustrate the moni tored faults for the 2 RF module and 3 RF module unit respectively OPTIONAL REFLECTED POWER MONITOR TO CONTROLLER CCA RF PWR TO CONTROLLER C...

Page 53: ...ng conditions The user controlled faults for low and high RF power depend upon the voltage of a calibrated detector diode This voltage is com pared via the processor with the user set thresholds to determine fault conditions The user specified temperature fault is calculated by comparing the maximum tem perature of all of the temperature monitors within the rack enclosure to the thresh old Finally...

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Page 55: ... room temperature to meet specification but they are also measured at the temperature extremes to ensure proper operation Input and Output Return Loss The input and output return losses indicate how closely the amplifier is matched to a 50 Ohm system The return loss is easily translated into input and output VSWR by the following equation A return loss of infinity or a VSWR of 1 indicates a perfec...

Page 56: ...w the desired tones The levels of the IMD products vary with the output power of the amplifier As the unit approaches the 1 dB gain compression point nonlinearities are higher than when operating at lower power levels Two tone tests are performed on the RF module at different power levels and at different locations throughout the operating frequency band RF Sample Port Sample port data is measured...

Page 57: ... of the differential power monitor at the amplifier s rated 1dB gain compression point differs slightly between units This value is measured and recorded on the test data sheet Serial Port Monitors and Controls The HPAC 100 125 150 200 250 RM is operated in Remote mode and a sampling of the serial commands and queries is tested to ensure that the proper responses are received These tests are perfo...

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Page 59: ... adjustments the top or bottom covers will have to be removed Each cover is held in place by eight 1 4 turn Phillips head screws Turning the screws counter clockwise loosens them Caution when tightening the screw requires only a 1 4 turn before it locks into place Do not force the screw any further or damage will occur LCD Contrast The contrast of the LCD can be changed by adjusting a potentiomete...

Page 60: ...xt remove the power connector from the top of the fan Finally remove the two screws holding the fan bracket in place and lift the fan bracket from the unit To reinstall a fan follow the above directions in the reverse order Ordering Information If questions arise over the operation or maintenance of the HPAC 100 125 150 200 250 RM unit and associated parts contact Paradise Datacom at the below add...

Page 61: ...y their Paradise Datacom part number or the manufacturer s part number When contacting Paradise Datacom include a Instrument model number b Instrument serial number c Description of the part d Location or function of the part Warranty Information Refer to the WARRANTY AND MATERIAL RETURN INFORMATION sheet that was shipped with the unit ...

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Page 63: ...Operations Manual HPAC 100 125 150 200 250 RM SSPA A 1 Appendix A HPAC 100 125 150 200 250 RM Product Literature ...

Page 64: ...A 2 Operations Manual HPAC 100 125 150 200 250 RM SSPA Appendix A THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 65: ...Description Solid state power amplifiers in the HPAC series offer premium performance and reliability for satellite uplink applications These C Band high power amplifiers 100 through 250 watts provide the linearity and gain stability required for earth station performance in a package that offers the system designer an easy path to integration A full range of monitor and control features are inclu...

Page 66: ...igure 10 dB Group Delay per 40 MHz segment Linear Parabolic Ripple 0 03 0 003 1 0 ns MHz ns MHz 2 ns p p Line Voltage Line Frequency Line Power HPAC 100A 125A 150A RM HPAC 200A 250A RM HPAC 100A RM HPAC 125A RM HPAC 150A RM HPAC 200A RM HPAC 250A RM 100 120 or 200 240 200 240 47 63 0 90 1 00 1 25 1 50 1 65 VAC VAC Hz kW kW kW kW kW Monitor Control User Interface Local Remote Front panel LCD keypad...

Page 67: ...roup Delay per 40 MHz segment Linear Parabolic Ripple 0 03 0 003 1 0 ns MHz ns MHz 2 ns p p Line Voltage Line Frequency Line Power HPAC 100AX 125AX RM HPAC 150AX 200AX RM HPAC 100AX RM HPAC 125AX RM HPAC 150AX RM HPAC 200AX RM 100 120 or 200 240 200 240 47 63 0 90 1 00 1 25 1 50 VAC VAC Hz kW kW kW kW Monitor Control User Interface Local Remote Front panel LCD keypad Serial port Parallel port Menu...

Page 68: ...HPAC 100 250 doc 10 10 01 C Band SSPA Rack Mount Model HPAC 100 125 150 200 250 RM ...

Page 69: ...ant system applications phase combining applications or when a remote control panel is required J7 AC Line Entrance IEC Socket J6 RF Switch Provides power to waveguide coaxial switches used in J5 Parallel Port Provides dry contact closures for the following conditions RF amplifier fault Over temperature fault Summary Power supply fault Fault Microprocessor fault RF mute status Low RF output Provid...

Page 70: ......

Page 71: ...00 125 150 200 250 RM amplifiers are connected to each other and to a waveguide coaxial switch One of the amplifiers is designated as being on line while the other is standby The on line amplifier receives the input RF signal and amplifies it while the standby amplifier input and output are terminated into 50 ohm loads When the system is in AUTO mode if a summary fault develops within the on line ...

Page 72: ...The units distinguish them selves by their factory set local addresses Power Supply Each amplifier contains a 28V power supply to supply power to the waveguide coaxial switch RF Switch The HPAC 100 125 150 200 250 RM redundant system controls a 28V waveguide coaxial switch using the 6 pin rear panel connector The switches are controlled by applying 28V to the common of the switch and pulsing eithe...

Page 73: ...led in a standard EIA rack Warning Ensure that the rack is properly supported to prevent it from tipping forward when the amplifiers are extended on their slides Amplifier 2 should be on top of amplifier 1 Waveguide pieces semi rigid cables marked with the amplifier switch connections switch cable and the interface cable connect the two units as shown in Figure B 2 Table B 2 lists the required coa...

Page 74: ...B 4 Operations Manual HPAC 100 125 150 200 250 RM SSPA Appendix B Figure B 2 Rear view of the 1 1 redundant HPAC 100 125 150 200 250 RM rack mounted system ...

Page 75: ...ontrolled from the front panel of either amplifier using the key pad and LCD display The LEDs on the front panels indicate the state of the specific amplifier refer to Table 3 1 Operations Menu The OPS menu has several additions for changing the system parameters Switch Voltage A monitor is provided to ensure that the additional 28V supply is operating cor rectly This voltage is viewed on line 2 o...

Page 76: ...e first field indicates the control location LOC for local or REM for remote The second field indicates the switching mode MAN for manual or AUTO for auto The third field indicates the amplifier status Stdby for standby or On line for on line The fourth field indicates the amplifier s fault status FLT to indicate a fault see line one of the OPS menu for the detailed fault descrip tion or blank for...

Page 77: ...ult Length 9 bytes Select Standby Amp Selects which SSPA unit is designated as the standby amplifier This command is not acknowledged if the switching mode is set to Auto Type COMMAND Pkt Length 7 Destination SSPA System Address Source M C Address Command 0x31 Data Unit ID 1 byte integer 0 system controller Standby Amp 1 byte integer 1 Amp1 Set amp 1 as the standby amplifier 2 Amp2 Set amp 2 as th...

Page 78: ...Status Response Report System Status Requests a list of information pertaining to the system of SSPAs A System Status response is returned Type QUERY Pkt Length 6 Destination SSPA System Address Source M C Address Command 0x37 Data Unit ID 1 byte integer 0 system controller Length 8 bytes Responses The Unit Faults and Unit Diagnostics responses have been modified to contain additional information ...

Page 79: ...ition 2 Switch 2 Position 1 byte integer 1 Position 1 2 Position 2 Standby Amp 1 byte integer 1 Amp 1 2 Amp 2 Amp 1 Summary Fault 1 byte integer 0 OK 1 Fault Amp 2 Summary Fault 1 byte integer 0 OK 1 Fault Amp 3 Summary Fault 1 byte integer 0 OK 1 Fault RF Switch 1 Fault 1 byte integer 0 OK 1 Fault RF Switch 2 Fault 1 byte integer 0 OK 1 Fault Length 18 bytes Manual Switching If necessary the syst...

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