1 Phase Matrix QuickSyn® Microwave Synthesizers
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1. 4 gt Phase Matrix Inc A National Instruments Company QuickSyn MICROWAVE FREQUENCY SYNTHESIZER Communications Specifications DOC NO 5580510 01 REV C Phase Matrix Inc O 109 Bonaventura Drive San Jose CA 95134 O Tel 1 408 428 1000 O www phasematrix com Communications Specifications Notices Phase Matrix Inc 2010 2011 2012 No part of this document may be copied duplicated or reproduced in any form or by any means including electronic storage and retrieval or translation into a foreign language without prior agreement and written consent from Phase Matrix Inc as governed by United States and international copyright laws Phase Matrix Inc 109 Bonaventura Drive San Jose CA 95134 Software Copyright Original Phase Matrix Inc software may be distributed without consent from Phase Matrix Inc only if all software and associated files are included in the distribution and remain unmodified Microsoft Windows Vista XP and 2000 are registered trademarks of Microsoft Corporation Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Phase Matrix Inc A National Instruments Company Introduction In this document The scope of this document is to define the communication between the QuickSyn frequency synthesizer and the controlling system This document describes the QuickSyn control and query commands The commands listed in this docu2. of times to run list List Setup 1 to 32767 0 infinite And Run 8 15 63 56 03 02 Enable List Trigger 1 Enable List Point Trig 2 1 Software Trigger 0 01 00 Direction Up 0 Lo to Hi Down 1 Hi to Lo Up amp Down 2 A list command cannot be executed with FM on The minimum period of pulses in list point trigger mode is 150 us Stop List 1 20 07 00 Erase List 1 22 07 00 This command requires a wait delay of 200 ms 11 Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Before re programming List Points execute Erase List Command 0x22 Send a Reset command followed by an RF Output On command upon exiting List Mode to return to normal mode Examples 1 Set List Point 1 with Output Frequency of 9 111222333 GHz Power 12 dBm Dwell Time 3 sec RF Output ON Pulse Modulation OFF Field List Point Frequency Power Dwell time Units No milliHertz tenth dBm microseconds Decimal 1 9111222333000 120 3000000 Hex 0001 08495F2BAE48 0078 002DC6C0 Command 13 00 01 08 49 SF 2B AE 48 00 78 00 2D C6 C0 01 2 Set List Point 2 with Output Frequency of 8 333222111 GHz Power 12 dBm Dwell Time 4 sec RF Output ON Pulse Modulation OFF List Pulse RF Field Point Frequency Power Dwelltime Mod Outp Units No milliHertz tenth dBm us Boolean Boolean Decimal 2 8333222111000 120 4000000 OFF ON Hex 0002 07943ABE6718 FF88 003D0900 01 Command 13 00 02 07 94 3A BE 67 18 FF 88 00 3D 0
3. Inc A National Instruments Company RS232 Interface The RS232 hardware interface consists of a cable kit to connect a PC s standard COM port serial port to the QuickSyn synthesizer The accompanying cable is configured with 12V terminals to connect the QuickSyn synthesizer to a DC power source All commands must be terminated by a termination character 13 OXOD The serial port parameters on the host PC must be set as 8 bits no parity 1 stop bit 115200 baud no flow control Main Commands Two command sets are available for controlling the QuickSyn synthesizer QuickSyn native commands and SCPI commands The SPI interface will only accept the native command set while the other interfaces i e USB Ethernet GPIB and RS232 will accept both the native commands and SCPI commands The synthesizer s operation modes output frequency and power are controlled by the main commands listed in Tables 2a 2b 2c 2d and 5 Query commands are listed in Table 3 SPI Table 4 other interfaces and Table 5 SCPI Native commands for the USB Ethernet GPIB and RS232 interfaces are formatted the same as SPI commands However these commands are formatted as ASCII representations of hexadecimal values i e each hexadecimal character is one ASCII character Thus twice as many bytes are sent for each command Note that only single byte characters may be used for these commands because double byte characters will not be int
4. Status and other returned information from the synthesizer to the controlling computer Master out Slave in Command data from the controlling computer to the synthesizer Rising edge active input When enabled the trigger signal can initiate frequency change or step through lists or sweeps Output indicating that the synthesizer is locked on its current setting 3 3V locked 0 V unlocked Output indicating that the synthesizer has detected an external reference signal and locked on that signal 3 3V locked 0 V unlocked External 12V DC Supply Internally pulled up to 3 3V with 100 kOhm resistor Active LOW signal will reset the synthesizer to a default state Ground Not connected Connector Pin 11 Pin 13 Pin 7 Pin 9 Pin 17 Pin 15 Pin 16 Pin 3 4 Pin 18 Pin 8 10 19 20 Pin 1 2 5 6 12 14 Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Phase Matrix Inc A National Instruments Company SPI is a standard first introduced by Motorola now Freescale for low cost communications among semiconductor devices It allows for four different possible clocking schemes defined by the polarity and phase of the clock SPI mode 0 is used to communicate to the QuickSyn synthesizer The synthesizer expects the CLK signal to be low at the time that the SPI SS signal is asserted At this time the first MOSI bit will be set up The synthesi
5. and Run 2dBm Is 4 Power dBm Opt 10 0 0 5 Dwell time in us ms s from Sus to 4 294 s 1hr default us 6 of times to run sweep 1 to 32767 0 infinite 7 Trigger 0 Software Trig 1 Sweep Trig 2 Sweep Point Trig 8 Direction 0 Lo to Hi 1 Hi to Lo 2 Up amp Down 9 Optional field RUN run sweep Don t otherwise SWE FAST FR of times to run sweep Start FF Sweep SWE FAST FRE EQ STAR T 1 to 32767 0 infinite Q STAR 0 SWE FAST P 1 Start Power Fast SWE FAST PO OW SETUP 2 Stop Power Power W SETUP 3 of points 1 to 500 in the Sweep Setup 1 2 5 2 40 10GH sweep and Run z 500ms 0 4 Freq Opt 1 2 RUN 5 Dwell time in us ms s from Sus to 4 294 s Lhr default us 6 of times to run sweep 1 to 32767 0 infinite 7 Trigger 0 Software Trig 1 Sweep Trig 2 Sweep Point Trig 8 Direction 0 Lo to Hi 1 Hi to Lo 2 Up amp Down 9 Optional field RUN run sweep Don t otherwise SWE FAST P of times to run sweep 1 Start FP Sweep SWE FAST PO OW STAR T to 32767 0 infinite W STAR 10 22 Phase Matrix QuickSyn Microwave Synthesizers Phase Matrix Inc A National Instruments Company Communications Specifications Command Parameter Result Description Example SWE NORM 1 Start Freq FREQ SETUP 2 Stop Freq 3 Step Freq 4 Power dBm 5 Dwell time in us ms s from Sus to 4 294 s 1hr
6. 8 bits no parity 1 stop bit 115200 baud no flow control A software device driver must first be installed to control the QuickSyn synthesizer via the USB connector Device drivers are available from the Phase Matrix website www phasematrix com Instructions for installing the device drivers are in the QuickSyn user manual which is also available from the Phase Matrix website Ethernet Interface The Ethernet hardware interface consists of an Ethernet adapter and cable kit and is pre configured to use DHCP for IP address assignment The accompanying cable is configured to provide power to the Ethernet adapter from the same 12 volt source that powers the QuickSyn synthesizer To communicate with the QuickSyn synthesizer via Ethernet a TCP IP socket must be created on port 10001 of the Ethernet adapter IP address All commands must be terminated by a termination character 13 0X0D GPIB Interface The GPIB hardware interface consists of a GPIB adapter and cable kit and is pre configured to communicate with the QuickSyn synthesizer at address 5 The accompanying cable is configured with 12V terminals to connect the QuickSyn synthesizer to a DC power source The GPIB adapter has a universal AC adapter and must be connected to regular AC line voltage All commands must be terminated by a termination character 13 0XOD Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Phase Matrix
7. Disable OUTP ROSC 1 ON 0 OFF Get Reference OUTP ROSC ST STAT Output Status AT 1 OUTP STAT ON OFF RF Output OUTP STAT Enable Disable ON OUTP STAT 1 ON 0 OFF OUTP STAT 1 PULM STAT ON OFF Pulse PULM STAT Modulation ON Enable Disable PULM STAT 1 ON 0 OFF Get Pulse PULM STAT Modulation 1 Status AM STAT ON OFF AM AM STAT ON Modulation Enable Disable AM STAT 1 ON 0 OFF Get AM AM STAT Modulation 1 Status AM DEPT 0TO 4095 DAC Value Set AM AM DEPT 2000 Sensitivity AM DEPT 0 TO 4095 DAC Value Get AM AM DEPT Sensitivity 2000 FM MODE 1 Phase Mod FM Modulation FM MODE 2 2 FM Wide Choices 3 FM Narrowl 4 FM Narrow2 FM MODE 1 Phase Mod Get type of FM FM MODE 2 FM Wide modulation 2 3 FM Narrowl 4 FM Narrow2 FM STAT ON OFF FM FM STAT ON Enable Disable FM STAT 1 ON 0 OFF Get FM Status FM STAT 1 FM SENS 0 TO 4095 DAC Value Set FM FM SENS 2000 Sensitivity FM SENS 0TO 4095 DAC Value Get FM FM SENS Sensitivity 1 Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Phase Matrix Inc A National Instruments Company Command Parameter Result Description Example DIAG CAL R 0 TO 65535 DAC Adjust Internal DIAG CAL REF EF DAC Value Ref DAC DAC 30000 Value DIAG CAL R 0 TO 65535 DAC Value Get Internal DIAG CAL REF EF DAC Ref DAC DAC Value 30000 SAV 1 2 States Save current SAV 1 state in Flash RCL 0 factory default Restore curre
8. Ext Ref 0 00A8 Ext Ref 1 1 RF locked 0 RF unlocked 1 2 Ref locked 0 Ref unlocked 1 3 RF Outp Off 0 Get Status RF Outp On 1 4 Voltage OK 0 Voltage Err 1 5 REF outp off 0 REF outp on 1 6 Blanking off 0 Blanking on 1 7 Lock recovery on 1 off 0 DIAG MEAS 21 Value Deg C Get DIAG MEAS Temperature 221 38 9 DIAG MOD 15 8 Don t Care DIAG MOD 0 Pulse on 1 off 0 10 1 AM on 1 off 0 Get 2 FM NB1 on 1 off 0 Modulation 3 FM NB2 on 1 off 0 4 FM WIDE on 1 off 0 5 PHASE on 1 off 0 DIAG BAUD Baud Rate Set debug port DIAG BAUD used for 115200 RS232 GPIB Ethernet DIAG BAUD Value DIAG BAUD 2 115200 Phase Matrix QuickSyn Microwave Synthesizers
9. default us 6 of times to run sweep 1 to 32767 0 infinite 7 Trigger 0 Software Trig 1 Sweep Trig 2 Sweep Point Trig 8 Direction 0 Lo to Hi 1 Hi to Lo 2 Up amp Down 9 Optional field RUN run sweep Don t otherwise Normal SWE NORM FR Frequency EQ SETUP Sweep Setup 2GHz 8GHz 1G and Run Hz 0dBm 5ms Opt 200 2 2 RUN SWE NORM F of times to run sweep REQ STAR T 1 to 32767 0 infinite SWE NORM 1 Start Power POW SETUP 2 Stop Power 3 Step Power 4 Freq 5 Dwell time in us ms s from Sus to 4 294 s 1hr default us 6 of times to run sweep 1 to 32767 0 infinite 7 Trigger 0 Software Trig 1 Sweep Trig 2 Sweep Point Trig 8 Direction 0 Lo to Hi 1 Hi to Lo 2 Up amp Down 9 Optional field RUN run sweep Don t otherwise Start NF Sweep SWE NORM FR EQ SETUP 1 Normal Power SWE NORM PO Sweep Setup W SETUP and Run Opt 2 0 5 0 1 0 5GHz 50ms 0 1 2 SWE NORM P of times to run sweep OW STAR T 1 to 32767 0 infinite Start NP Sweep SWE NORM PO W STAR 3 SWE STOP None Stop Sweep SWE STOP IDN Character String Get ID IDN Phase Matrix FSW 0010 0000007f 0 300a Phase Matrix QuickSyn Microwave Synthesizers 23 Communications Specifications 24 Command Parameter Result Description Example STAT 15 8 Don t Care STAT 0 No
10. 23 08 of times to run sweep and Run 1 to 32767 0 infinite 03 02 Enable Sweep trigger 1 Enable Sweep Point trg 2 1 Software Trigger 0 01 00 Direction Up 0 Lo to Hi Down 1 Hi to Lo Up amp Down 2 This command cannot be executed with FM on The minimum period of pulses in sweep point trigger mode is 150 us 2 151 136 Start Power in tenth_dBm 2 135 120 Stop Power in tenth dBm 2 119 104 of points 1 to 500 6 103 56 Freq in mlHz 4 55 24 Dwell time in usec 0 to Fast 4 294 967 295 1hr Power 2 23 08 of times to run sweep Sweep Setup 20 19 159 152 1 to 32767 0 infinite and Run 03 02 Enable Sweep trigger 1 Enable Sweep Point trg 2 1 Software Trigger 0 01 00 Direction Up 0 Lo to Hi Down 1 Hi to Lo Up amp Down 2 Stop Sweep 1 21 07 00 14 Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Phase Matrix Inc A National Instruments Company Example 1 Fast Frequency Sweep Setup and Run command Settings Start Frequency 5 GHz Stop Frequency 8 GHz Number of Points Between Frequencies inclusive 30 Power 12 dBm Dwell Time 3 sec Number of times to run sweep 2 Enable Sweep Trigger Yes Enable Sweep Point Triggers No Direction Up Start Stop Num Num Field Frequency Frequency points Pwr Dwell time RunsTrig Dir Units milliHertz milliHertz tenth dBm us Bool Decimal 5000000000000 8000000000000 30 120 3000000 2 Yes Up Hex 0
11. 48C27395000 0746A5288000 O01E 0078 002DC6CO 0002 04 17 04 8C 27 39 50 00 07 46 AS 28 80 00 00 1E 00 78 00 2D C6 CO 00 02 04 After this command is executed ONE Sweep trigger signal should be applied Phase Matrix QuickSyn Microwave Synthesizers 15 Communications Specifications Table 2d Control Commands normal sweep Size Header Parameter Deseripiian Bytes Code Bits Bytes Bits Values 6 215 168 Start Freq in mlHz 6 167 120 Stop Freq in mlHz 6 119 72 Step Freq in mlHz 2 71 56 Power in tenth dBm 4 55 24 Dwell time in usec 0 to 4 294 967 295 1hr Normal In 5us increments Frequency 2 23 08 of times to run sweep Sweep Setup 28 IC 223 216 1 to 32767 and Run 03 02 Enable Sweep trigger 1 Enable Sweep Point trg 2 1 Software Trigger 0 01 00 Direction Up 0 Lo to Hi Down 1 Hi to Lo Up amp Down 2 2 151 136 Start Power in tenth dBm 2 135 120 Stop Power in tenth dBm 2 119 104 Step Power in tenth dBm 6 103 56 Freq in mlHz 4 55 24 Dwell time in usec 0 to Normal 4 294 967 295 1hr Power 2 23 08 of times to run sweep Sweep Setup 20 IE 159 152 0 infinite 1 to 32767 03 02 Enable Sweep trigger 1 Enable Sweep Point trg 2 1 Software Trigger 0 01 00 Direction Up 0 Lo to Hi Down 1 Hi to Lo Up amp Down 2 Stop Sweep 1 21 07 00 16 Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications NOTE All query com
12. 9 00 01 3 Run List Point 2 14 00 02 4 List Setup and Run applies to entire list The List parameters are Dwell Time 10sec Number of times to execute list 3 List Point Trigger ON Direction UP Times to List Point Field Dwell time Execute Trigger Direction Units us No Boolean No Decimal 10000000 3 Yes Up Hex 00989680 0003 08 Command 15 00 98 96 80 00 03 08 12 Phase Matrix QuickSyn Microwave Synthesizers y y Communications Specifications Phase Matrix Inc A National Instruments Company 5 Wait 100 ps After this command is executed external trigger signals should be applied for each List Point 6 List Setup and Run applies to the entire list The list parameters are Dwell Time 5sec Number of times to execute list 1 List Trigger ON List Point Trigger OFF Direction Down Field Units Decimal Hex Times to Dwell time Execute List Trigger Direction us No Boolean No 50000000 1 Yes 004C4B40 0001 05 Command 15 00 4C 4B 40 00 01 05 Phase Matrix QuickSyn Microwave Synthesizers 13 Communications Specifications Table 2c Control Commands fast sweep Size Header Parameter Descripuon Bytes Code Bits Bytes Bits Values 6 183 136 Start Freq in mlHz 6 135 88 Stop Freq in mlHz 2 87 72 of points 1 to 32767 2 71 56 Power in tenth_dBm 4 55 24 Dwell time in usec 0 to Fast 4 294 967 295 1hr Frequency In Sus increments Sweep Setup 24 17 191 184 2
13. FF 0 ON 1 Select Ref f d 2 o6 15 8 1 7 0 Int 0 Ext 1 Reference 2 os 158 1 70 OFF ON Output 1 RF Output 2 OF 15 8 1 7 0 OFF 0 ON 1 Pulse E 4 Modai 2 09 15 8 1 7 0 OFF 0 ON 1 AM Modulation 2 OA 15 8 1 7 0 OFF 0 ON 1 AN 3 mn P lo 50 Units from 0 to OFFF ensitivity Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Phase Matrix Inc A National Instruments Company Size Parameter Bytes Code Bits Description Bytes Bits Values 0 FM OFF 0 ON 1 FM Modulation 1 Phase Mod OFF 0 ON 1 Choices 2 0B 15 8 1 2 FM Wide OFF 0 ON 1 3 FM Narrowl OFF 0 ON 1 4 FM Narrow2 OFF 0 ON 1 With FM on frequency changes require 1 ms delay after the command is setup SN 3 12 P31I6 3 50 Units from O to OFFF Sensitivity Adjust Internal Ref 23 16 3 1B 2 15 0 Units from 0 to FFFF This requires a few seconds for hardware to update Save current 15 8 state in Flash 2 26 1 0 7 1 or 2 only This command saves current settings as user defined default 1 or 2 see Reset command and requires a 100 ms wait delay When unit is power cycled the last saved default settings will be used to initialize Restore current 7 15 8 state from Flash 2 1 0 7 0 1 or 2 only 0 default This command restores settings to the factory default 0 user defined default 1 or user defined default 2 and requ
14. Get 2 47 2 0 Modulation 1 2 1 3 4 5 Get AM 2 48 4 2 15 0 Sensitivity Get FM 2 49 4 2 15 0 Sensitivity Example Get Output Frequency e Send command 04 e Read Data 08 FB 8F D9 82 10 Communications Specifications Values dBm x10 Int 0 Ext 1 Temper x10 Pulse on 1 off 0 AM on 1 off 0 FM NB1 on 1 off 0 FM NB2 on 1 off 0 FM WIDE on 1 off 0 PHASE on 1 off 0 AM sense FM sense e Convert 08 FB 8F D9 82 10 to decimal to get frequency in milliHertz 9 876 543 210 000 Phase Matrix QuickSyn Microwave Synthesizers 19 Communications Specifications 20 SCPI commands can only be used with QuickSyn synthesizers that have version 100 or higher firmware Table 5 SCPI Commands for USB Ethernet GPIB and RS232 Command Parameter Result Description Example FREQ Value GHz MHz KHz Set Output FREQ 2 2GHz mlHz default Frequency FREQ Value in mlHz Get Output FREQ Frequency 2200000000000 POW XX X DBM Set Output POW 8 3 Power POW Value in dBm Get Output POW Power 8 3 RST NONE Reset RST OUTP BLAN ON OFF Blanking mode OUTP BLAN Enable Disable ON OUTP BLAN 1 ON 0 OFF Get blanking OUTP BLAN mode 1 ROSC SOUR EXT INT Select Ref ROSC SOUR Source EXT ROSC SOUR EXT INT Get Ref Source ROSC SOUR EXT OUTP ROSC ON OFF Reference OUTP ROSC ST STAT Output AT ON Enable
15. erpreted correctly by the QuickSyn module Furthermore these commands must be sent separately with each command terminated by a termination character 13 0x0D The query commands differ from SPI query commands therefore refer to the applicable query command table in this document Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Table 2a Control Commands no return data Parameter Size Description Bytes Code Bits Bytes Bits Values Set Output 7 0C 55 48 Frequency 6 47 0 Units of 0 001Hz This commands sets the frequency with no change in power or other parameters 23 16 Set Output Power Power in tenth dBm If Neg bit 3 03 15 1 2 15 0 This commands sets the power with no change in frequency or other parameters Reset 1 0E 7 0 The Reset command sets the unit to one of the following three states 1 Factory default Output power OFF Frequency 10 GHz Power 15 dBm Blanking ON Reference source internal Reference output ON Pulse modulation OFF AM modulation OFF AM sensitivity 0 FM modulation OFF FM sensitivity 0 Triggering disabled cA roe me ao op 2 User defined default 1 See command Save Current State in Flash below 3 User defined default 2 See command Save Current State in Flash below Note A delay or wait period of 2 ms is required after the Reset command is sent Blanking mode 15 8 ae 8 2 os 1 7 0 O
16. ires a 50 ms wait delay When unit is power cycled the last restored default settings will be used to initialize the unit Lock Recovery 2 28 15 8 1 0 7 OFF 0 ON 1 This command allows disallows retry if lock fails Only one retry per frequency is allowed When option is present Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications NOTE The Synthesizer Reset command executes a full instrument re initialization which is functionally equivalent to a power up All commands in progress will be aborted The synthesizer will reset to a default state frequency 10 GHz RF power 0 dBm RF Output OFF NOTE If the SPI interface is used each query command needs to be executed twice 10 Examples 1 Set Output Frequency to 9 876543210 GHz Convert 9 876543210 GHz to milliHertz 9 876 543 210 000 Convert 9 876 543 210 000 to 48 bit Hex 08 FB 8F D9 82 10 Append Command Header 0C in front of the Frequency OC 08 FB 8F D9 82 10 Send command 0C 08 FB 8F D9 82 10 2 Set output power to 12 dBm Convert 12 dBm to tenth_dBm 120 Convert 120 to 2 byte hex number 0078 Append Command Header 03 in front of power 030078 Send command 030078 3 Set output power to 3dBm Convert 3 dBm to tenth_dBm 30 Convert 30 to 2 byte hex number FFE2 Append Command Header 03 in front of power 03FFE2 Send command 03FFE2 4 Select FM Wide modulation Send command 0B05 5 Set FM Sensitivity t
17. mands must be sent twice Data output from the unit can be read back after the second query command Table 3SPI Query Commands with return data Description Command Don t Return Data Header care Size Total Data tes Code Bits Bits B A l Bytes i Bytes ytes bits Values Get ID 12 01 95 88 87 0 12 1 95 88 Don t Care 2 87 72 Modelf 2 71 56 Option 2 55 40 Soft ver 5 39 00 Serialf Get Status 2 02 15 8 7 0 2 1 15 8 Don t Care 0 No Ext Ref 0 Ext Ref 1 1 RF locked 0 RF unlocked 1 2 Ref locked 0 1 Ref unlocked 1 3 RF Outp Off 0 RF Outp On 1 4 Voltage OK 0 Voltage Err 1 5 REF outp of f 0 REF outp on 1 6 Blanking off 0 Blanking on 1 7 Lock recovery on 1 off 0 Get Freq 7 04 55 48 47 0 7 1 55 48 Don t Care 6 47 0 mlHz Get Power 3 OD 23 16 15 0 3 1 23 16 Don t Care 2 15 0 dBm x10 Ref Source 2 07 15 8 7 0 2 1 15 8 Don t Care Query 1 0 7 Int 0 Ext 1 Get 3 10 23 16 15 0 3 1 23 16 Don t Care Temperature 2 15 0 Temper x10 x Get 2 47 15 8 7 0 2 1 15 8 Don t Care Modulation 0 Pulse on 1 off 0 1 AM on 1 off 0 2 FM NBI on 1 off 0 1 B FM NB2 on 1 off 0 4 FM WIDE on 1 off 0 5 PHASE on 1 off 0 de Get AM 3 48 23 16 15 0 3 1 23 16 Don t Care Sensitivity 2 15 0 AM sense Get FM 3 49 23 16 15 0 3 1 23 16 Don t Care Sen
18. ment may be sent through the SPI USB Ethernet GPIB and RS232 interfaces Goals The primary goal for command communication is to allow fast easy setup for basic operations In particular it should permit easy establishment of a new frequency setting The commands must support frequency specifications up to 20 GHz in 0 001Hz steps Secondary goals include support for very fast change to pre computed settings support for traversal of a list of pre computed settings with a specified dwell and support for computed sweeps of frequency with a specified dwell Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Hardware Interface The hardware includes a multi purpose SPI connector and a USB connector located on the front panel SPI Interface The SPI hardware interface consists of a standard SPI interface plus additionally assigned lines as defined in Table 1 Table 1 Synthesizer Interface Signal SPI CLK SPI SS SPI MISO SPL MOSI TRIGGER LOCK REF LOCK PWR 12V RESET GND N C Description SPI clock supplied by the controlling computer not the synthesizer The controlling computer is the SPI master the synthesizer is the SPI slave SPI Slave Select This signal is an active low input to the synthesizer It frames command communications For each command SPI SS goes low before the first bit is sent and goes high after the last bit is sent Master in Slave out
19. nt RCL 0 1 setting 1 state from 2 setting 2 Flash FREQ LRSTAT ON OFF Lock Recovery FREQ LRSTAT Enable Disable ON FREQ LRSTAT 1 ON 0 OFF Get Lock FREQ LRSTAT Recovery Status 1 LIST PVEC 1 List point 1 to 32767 LIST PVEC 2 Freq 1 3GHz 4dBm 1s 3 Power dBm OFF ON F 4 Dwell time in us ms s from 5us to 4 294 s 1hr default us List Point 5 Pulse Mod On OFF Setup 6 RF Output On Off 7 Save to Flash F or f Optional field LIST SAV None Save List LIST SAV Table to Flash LIST PVEC R List point 1 to 32767 Run List LIST PVEC RU UN Point Nl LIST SETUP 1 Dwell time in us ms s LIST SETUP from Sus to 4 294 s 1hr 2s 0 2 2 RUN default us 2 of times to run list 1 to 32767 0 infinite 3 Trigger 0 Software Trig List Setup 1 List Trig And Run 2 List Point Trig Opt 4 Direction 0 Lo to Hi 1 Hito Lo 2 Up amp Down 5 Optional field RUN run list Don t otherwise LIST STAR T of times to run list 1 Start List LIST STAR 5 to 32767 0 infinite Execution LIST STOP None Stop List LIST STOP LIST ERAS None Erase List LIST ERAS Phase Matrix QuickSyn Microwave Synthesizers 2 Communications Specifications Command Parameter Result Description Example SWE FAST F 1 Start Freq Fast SWE FAST FRE REQ SETUP 2 Stop Freq Frequency Q SETUP 3 of points 1 to 32767 in Sweep Setup 2GHz 10GHz 80 the sweep
20. o 50 50 of full scale OFFF is 07 FF Send command 1207FF Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Phase Matrix Inc A National Instruments Company Table 2b Control Commands Parameter Bytes Bits Values Size Header Description Bytes Code Bits 2 119 104 List point 1 to 32767 6 103 56 Freq in milliHertz 2 55 40 Power in tenth dBm List Point 4 39 08 Dwell time in usec 5 to Setup and 16 13 127 120 4 294 967 295 1hr in Sus Write to increments Flash 1 1 Pulse Mod On 1 Off 0 0 RF Output On 1 Off 0 This command places each point in temporary and permanent memory and requires a 300 ms wait delay 127 120 2 119 104 List point 1 to 32767 6 103 56 Freq in milliHertz List Point 2 55 40 Power in tenth dBm Setup and 4 39 08 Dwell time in usec 5 to Write to 16 4A 4 294 967 295 1hr in Sus RAM only increments Fast 1 1 Pulse Mod On 1 Off 0 0 RF Output On 1 Off 0 This command only places each point in temporary memory and requires 100 us wait delay pave List 1 4B 07 00 Saves the entire List Table Table This command saves the list to permanent memory A delay of at least 50 ms plus 2 5 ms per list_point is required before sending next command ne 3 14 23 16 15 0 List point 1 to 32767 55 24 Dwell time in usec 5 to 4 294 967 295 1hr in Sus increments If 0 List Point Dwell Time is used 2 23 08
21. sitivity 2 15 0 FM sense When option is present 17 Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications Example Get Output Frequency e Send command 04 00 00 00 00 00 00 e Send command 04 00 00 00 00 00 00 e Read Data 00 08 FB 8F D9 82 10 e Disregard Don t Care bits 55 48 00 Convert 08 FB 8F D9 82 10 to decimal to get frequency in milliHertz 9 876 543 210 000 NOTE Only the Get Temperature command must be sent twice All other data output from the unit can be read back after the first query command Table 4Query Commands with return data for Native USB Ethernet GPIB and RS232 _Command Return Data ee Size Code Total Bytes Data Values Description Bytes Bytes pe Get ID 2 01 22 2 87 72 Model 2 71 56 Option 2 55 40 Soft ver 5 39 00 Serial Get Status 2 02 2 0 No Ext Ref 0 Ext Ref 1 1 RF locked 0 RF unlocked 1 2 Ref locked 0 1 Ref unlocked 1 3 RF Outp Off 0 RF Outp On 1 4 Voltage OK 0 Voltage Err 1 5 REF outp off 0 REF outp on 1 6 Blanking off 0 Blanking on 1 7 Lock recovery on 1 off 0 Get Freq 2 04 12 6 47 0 mlHz 18 Phase Matrix QuickSyn Microwave Synthesizers Phase Matrix Inc A National Instruments Company Command Return Data i Size Code Total Bytes Data Description Bytes Bytes y bits Get Power 2 0D 4 2 15 0 Ref Source 2 07 2 1 0 7 Query Get 2 10 4 2 15 0 Temperature
22. zer will sample incoming MOSI data at the rising edge of the CLK and expects that the controlling computer will also sample MISO at that edge Subsequent MISO transitions will occur on the falling edges of the CLK signal Transfers are always initiated with the most significant bit of the full transfer and are ended with the least significant bit The SPI SS signal is expected to remain asserted for the duration of the transfer After the last bit is transferred the SPI SS signal will go high Figure 1 SPI Timing 3 3 V SPI CLK SPI MISO SPI MOSI e gt Tsc Tes Tsc gt 25 nSec select low before first clock Tcs gt 25 nSec clock low before slave select high Tsu gt 15 nSec data stable before rising edge of clock Tcu gt 25 nSec minimum clock high time Tc gt 25 nSec minimum clock low time Foix lt 12 MHz maximum clock frequency Phase Matrix QuickSyn Microwave Synthesizers Communications Specifications USB Interface The USB hardware interface consists of a standard female mini USB B type connector This port is USB 2 0 compatible and is utilized as a standard COM port serial port on the host PC The serial data buffer for this port is 64 bytes long including the terminator thus it is important not to exceed this length on any command data All commands must be terminated by a termination character 13 OXOD The serial port parameters on the host PC must be set as
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