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TIMTER™ Multi-mode Digital Telemetry Transmitter

23

Quasonix, Inc.

Figure 12: Pre-wired MDM-

15 with 36” Pigtails for RS-422

2.5 Pre-wired MDM-15 for TTL Units

Part Number: QSX-AC-MDM15-36-SOCK

Quasonix offers an MDM-15 connector with 36” color-coded pigtail cables for connecting to transmitters with the
TTL clock and data baseband interface.

Figure 13: Pre-wired MDM-

15 with 36” Pigtails for TTL

2.6 MDM-15 Wiring Harness for RS-422 Units

Part Number: QSX-AC-MDM15-HARNESS-PIN

An MDM-15 wiring harness for connecting to transmitters with RS-422 clock and data baseband interface is shown
in Figure 14. It includes banana plugs for power and ground, BNC connectors for clock and data, and a DB-9
connector for serial control and is 35 to 36 inches long depending on the connectors.

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Summary of Contents for TIMTER QSX-V Series

Page 1: ...nc All Rights Reserved TIMTERTM Multi mode Digital Telemetry Transmitter Installation and Operation Manual Quasonix Inc 6025 Schumacher Park Dr West Chester OH 45069 23 February 2021 Revision 3 9 2 Specifications subject to change without notice All Quasonix transmitter products are under U S Department of Commerce jurisdiction and categorized as EAR99 not covered by ITAR ...

Page 2: ... 8 1 3 8 RF Output Power 9 1 3 9 Packages 9 1 3 10 Automatic Carrier Wave Output Option AC 10 1 3 11 Auto Carrier Save Option ACS 10 1 3 12 Auxiliary Input Option AI 10 1 3 13 Adapter Plate AP 11 1 3 14 Baud Rate Option BRx 11 1 3 15 CP07 Control Protocol Option C7 11 1 3 16 Convolutional Encoder Option CE 11 1 3 17 Clock free Baseband Interface Option CF 12 1 3 18 Clock Generator Output Option CG...

Page 3: ...3 Low Bit Rate Option LR 16 1 3 34 Space Operations and Research S band Option MA 16 1 3 35 Space Operations and Research S band High Limit Option MAH 16 1 3 36 Space Operations and Research S band Low Limit Option MAL 16 1 3 37 The standard Randomizer Control Option MK 16 1 3 38 Modulation Scaling Option MS 16 1 3 39 MDM 9 Accessory Board P9 16 1 3 40 Parallel Port Frequency Programming Option PF...

Page 4: ...mer 24 2 9 USB to Serial Converter Cable 25 2 10 2nd Generation Digital Switch Box 26 3 Installation Instructions 27 3 1 Mechanical 27 3 2 Thermal 29 3 3 Electrical 29 4 Operating Instructions 32 4 1 Power on Operation 32 4 1 1 Dual Power via Hardware Control 32 4 1 2 2nd Generation Switch Box Notes 32 4 2 TIMTER Serial Control Protocol 32 4 2 1 Command Set Standard and Optional Commands 33 4 2 1 ...

Page 5: ... External Device Channel Command XDCH 72 4 2 1 1 20 External Device Frequency Switching Threshold Command XDF 72 4 2 1 1 21 External Device Polarity Invert Command XDP 73 5 RF Output Notes 74 5 1 Troubleshooting the RF on a Quasonix Transmitter 74 6 Performance Specifications 77 6 1 RF Output 77 6 2 Electrical Current 77 6 3 Environmental Specifications 78 6 3 1 EMI Performance 78 6 4 Carrier Freq...

Page 6: ...TIMTER 19 Figure 6 Transmitter powered Heat Sink Pigtail Cable SMA Extender and Adapter Plate 20 Figure 7 Transmitter powered Heat Sink Mounted on an 04AB Package 21 Figure 8 Transmitter powered Heat Sink Mounted on a 07AE Package 21 Figure 9 Close up Using Female MDM 15 Connector 22 Figure 10 Close up Using Male MDM 15 Connector 22 Figure 11 Adapter Plate 22 Figure 12 Pre wired MDM 15 with 36 Pig...

Page 7: ... 89 Figure 35 X axis Vibration Spectrum 89 Figure 36 Shock Pulse Z axis Positive 90 Figure 37 Shock Pulse Z axis Negative 91 Figure 38 Shock Pulse Y axis Positive 91 Figure 39 Shock Pulse Y axis Negative 92 Figure 40 Shock Pulse X axis Positive 92 Figure 41 Shock Pulse X axis Negative 93 Figure 42 Transmitter Clock and Data Logic 101 List of Tables Table 1 Model Configuration Example 3 Table 2 Fre...

Page 8: ...d Input Voltage 77 Table 15 TIMTER Environmental Specifications 78 Table 16 TIMTER EMI Compliance 78 Table 17 Carrier Frequencies MHz 79 Table 18 Transmitter BER Specifications with Quasonix Demodulator 81 Table 19 K and m Values per Waveform 82 Table 20 Random Vibration Spectrum 88 Table 21 Transmitter Priority of CS CF BR and AC When RF is On 100 ...

Page 9: ...available in a number of variations depending on the options specified at the time of order The type of features and modes installed in each unit are identified in the model number as depicted in Figure 1 Package field codes are listed in Table 10 For questions about specific packages please contact Quasonix Figure 1 Quasonix Part Number Construction Description In this manual the words Terminal C...

Page 10: ...re controlled DSWBX Includes switch box and 18 MDM 9 to MDM 9 cable harness For use with P9 option EN Ethernet Payload Capability FM Allows the TIMTER to function as an analog FM transmitter FO Frequency Offset GN GPS notch filters to meet 147 dBm Hz at L1 and L2 S band only Include this hardware option with order HR Increases max bit rate up to 46 Mbps 23 Mbps for PCM FM ID Internal Clock and Dat...

Page 11: ...iptions of each option Due to input connector pin count limitations certain combinations of options are not available Please contact Quasonix for support in ordering TIMTER options or for information regarding upgrades to TIMTER units that you may already own The model number identifies the configuration of the unit For example model number QSX VSTT 1100 10 04 04AB CF defines a unit configured as ...

Page 12: ... C C Low 4400 0 MHz 4950 0 MHz 4620 0 MHz 0 5 MHz 20 W D C with Mid C 4400 0 MHz and 5091 0 MHz 4950 0 MHz and 5150 0 MHz 4620 0 MHz 0 5 MHz 20 W E all L S C 1435 5 MHz 1750 0 MHz 2200 5 MHz 2300 5 MHz 4400 0 MHz 5091 0 MHz 5150 0 MHz 1534 5 MHz 1855 0 MHz 2300 5 MHz 2394 5 MHz 4950 0 MHz 5150 0 MHz 5250 0 MHz 2370 5 MHz 0 5 MHz 10 W F S and C 2200 5 MHz and 4400 0 MHz 2394 5 MHz and 4950 0 MHz 23...

Page 13: ... 2200 5 MHz 2394 5 MHz 2370 5 MHz 0 5 MHz 20 W T Lower L and C 1435 5 MHz 4400 0 MHz 5091 0 MHz 1534 5 MHz 4950 0 MHz 5150 0 MHz 1450 5 MHz 0 5 MHz 18 W V S and C with Mid C 2200 5 MHz 4400 0 MHz and 5091 0 MHz 2394 5 MHz 4950 0 MHz and 5150 0 MHz 2370 5 MHz 0 5 MHz 18 W W S Mid C and with Euro Mid C 2200 5 MHz 5091 0 MHz 5150 0 MHz 2394 5 MHz 5150 0 MHz 5250 0 MHz 2370 5 MHz 0 5 MHz 18 W X Mid C ...

Page 14: ...und TTL 75 ohms R TIA EIA 422 RS 422 120 ohms differential 422 120 ohms B TIA EIA 422 RS 422 120 ohms differential even when unit is powered off 422 120 ohms M Dual mode Selectable between TTL terminated 10k ohms to ground and RS 422 terminated 120 ohms differential TTL 10k ohms D Dual mode Selectable between TTL terminated 75 ohms to ground and RS 422 terminated 120 ohms differential TTL 75 ohms ...

Page 15: ... interface codes are listed in Table 4 Table 4 Serial Control Interface Codes Serial Control Interface Code Serial Control Interface 1 LVTTL 57 600 baud rate 2 RS 232 57 600 baud rate T TTL 57 600 baud rate 4 RS 422 57 600 baud rate 6 RS 422 57 600 baud rate 120 ohms differential even when unit is powered off ...

Page 16: ...TM Tier I codes are listed in Table 6 Table 6 ARTM Tier I Codes Part Number Code SOQPSK TG ARTM Tier I 0 Absent 1 Present 1 3 6 ARTM Tier II Multi h CPM ARTM Tier II codes are listed in Table 7 Table 7 ARTM Tier II Codes Part Number Code Multi h CPM ARTM Tier II 0 Absent 1 Present 1 3 7 Legacy Legacy modes include BPSK QPSK and OQPSK Legacy codes are listed in Table 8 Table 8 Legacy Codes Part Num...

Page 17: ...age field codes are listed in Table 10 Detailed information for packages other than 04AB is located in the TIMTER Transmitter Packages document available at the Quasonix web site For questions about specific packages please contact Quasonix Table 10 Package Codes TIMTER Package Volume Width Length Height 02XX 1 992 in3 2 000 3 000 0 332 04XX 4 200 in3 2 000 3 000 0 700 05XX 4 800 in3 2 000 3 000 0...

Page 18: ...og transmitter but only for use in transmitting a digital data stream Refer to the FM option in section 1 3 23 for configuring the TIMTER to transmit a true analog signal such as NTSC video The AI option is frequently used to interface the TIMTER to legacy encryption devices which often include filtering on their outputs including a DC blocking capacitor By default the Auxiliary Input is configure...

Page 19: ...tters is 9600 1 3 16 Convolutional Encoder Option CE The CE option enables convolutional encoding and NRZ M conversion This encoding adds redundant information to the transmitted data stream to help detect and correct bit errors that may occur particularly due to predominantly Gaussian noise Use of convolutional encoding requires a matching Viterbi decoder in the receiver to extract the source dat...

Page 20: ...ystems where the crypto device does not deliver a clock to the transmitter The commanded clock free rate can be saved with the SV command and if so it will be restored at power on When the CF option is used the bit rate range is as defined in Table 12 for all waveform modes It is limited by the bit rate achievable for the current mode Refer also to the HR and LR options for extended bit rates the ...

Page 21: ...om the high power setting 1 3 20 Digital Switch Box Option DSWBX The TIMTER provides a standard configuration interface that is easily accessible via a computer terminal Some users prefer configuration via an external switch box The 2nd Generation Quasonix switch box provides six LED digits used to display the mode and frequency This includes a total of five digits of frequency step up or down in ...

Page 22: ...e Analog FM Analog FM provides the capability of frequency modulating the RF carrier based on an analog input signal voltage making the Quasonix digital transmitter behave virtually identically to an analog PCM FM transmitter but with improved phase noise more precise deviation control etc Analog FM requires the FM option The two commands for controlling analog FM are MO and AFMS MO 12 enables the...

Page 23: ...imit must be within roughly 100 MHz of the band range 1 3 29 IN Frequency Band Low Limit INL This option extends the lower IN band frequency to the frequency listed with the option in MHz such as INLxxxx Limit must be within roughly 100 MHz of the band range 1 3 30 Limited Current Option LC This option is used to specify low current in the RF Off state Current draw is less than 10 mA when the tran...

Page 24: ... roughly 100 MHz of band range 1 3 36 Space Operations and Research S band Low Limit Option MAL This option extends the lower MA band frequency to the frequency which follows this option in MHz such as MALxxxx Limit must be within roughly 100 MHz of band range 1 3 37 The standard Randomizer Control Option MK The standard TIMTER provides a user command RA that reports or sets the randomizer state T...

Page 25: ...r additional information refer to Appendix A Preset Option 1 3 43 Power Output Option PW020 When ordered with Power Code 00 this option enables RF output at 20 mW 13 dBm 1 3 44 Recall Holdoff Option RH If this option is enabled AND the recall holdoff pin is held low on powerup THEN the software will do an RF 0 to prevent the RF output from coming on until the user explicitly enters RF 1 If the pin...

Page 26: ...for 20 mWatt version 8 0 to 34 VDC for 1 Watt version 8 0 to 34 VDC for 2 Watt version 12 to 34 VDC for 5 Watt version 21 to 34 VDC for 10 Watt version 21 to 34 VDC for 20 Watt version 21 to 34 VDC for 25 Watt version Note The WV option is not supported on 25 W S band and 20 W L C or S C band transmitters 1 3 50 External Device Control XD This option lets the user control the state and operation o...

Page 27: ...a ruggedized handheld programmer and a USB to serial converter cable Contact Quasonix for pricing and availability of TIMTER accessories 2 1 Fan cooled Heat Sink Part Number QSX AC 32 HS 12V The heat sink assembly includes an integral 12 VDC fan and a power supply transformer shown in Figure 4 The heat sink is shown with a mounted 6 cubic inch TIMTER in Figure 5 Figure 4 Fan cooled Heat Sink and P...

Page 28: ...and a provided pigtail cable shown in Figure 6 allow the heat sink to draw power directly from a TIMTER transmitter eliminating the need for a separate external power supply An adapter plate is also included with the heat sink Figure 6 Transmitter powered Heat Sink Pigtail Cable SMA Extender and Adapter Plate The heat sink is shown mounted on a standard 04AB TIMTER in Figure 7 and mounted on a lar...

Page 29: ...TIMTER Multi mode Digital Telemetry Transmitter 21 Quasonix Inc Figure 7 Transmitter powered Heat Sink Mounted on an 04AB Package Figure 8 Transmitter powered Heat Sink Mounted on a 07AE Package ...

Page 30: ...TIMTER to be mounted to the larger 2 5 x 3 5 mounting surface occupied by other industry transmitters Note this adapter plate is not used with the Transmitter powered Heat Sink The appropriate adapter plate is included in the kit Figure 11 Adapter Plate 2 4 Pre wired MDM 15 for RS 422 Units Part Number QSX AC MDM15 36 PIN An MDM 15 connector with 36 color coded pigtail cables for connecting to tra...

Page 31: ...tters with the TTL clock and data baseband interface Figure 13 Pre wired MDM 15 with 36 Pigtails for TTL 2 6 MDM 15 Wiring Harness for RS 422 Units Part Number QSX AC MDM15 HARNESS PIN An MDM 15 wiring harness for connecting to transmitters with RS 422 clock and data baseband interface is shown in Figure 14 It includes banana plugs for power and ground BNC connectors for clock and data and a DB 9 ...

Page 32: ...ix offers an MDM 15 wiring harness for connecting to transmitters with TTL clock and data baseband interface It includes banana plugs for power and ground BNC connectors for clock and data and a DB 9 connector for serial control and is 35 to 36 inches long depending on the connectors Figure 15 MDM 15 Cable Harness for TTL 2 8 Ruggedized Handheld Programmer Part Number QSX AC HHPROG 1050N B ...

Page 33: ...interface directly in the field The programmer is shown in Figure 16 Figure 16 Ruggedized Handheld Programmer 2 9 USB to Serial Converter Cable Part Number QSX AC USBSER CONV The 36 inch long USB to serial converter cable allows for configuration of the transmitter with a computer that does not have a serial port The cable is pictured in Figure 17 An 18 inch long cable is also available Figure 17 ...

Page 34: ...tion with a Quasonix Dual Telemetry Transmitter Standard transmitters default to channel 1 Included with the switch box is an 18 MDM 9 to MDM 9 cable harness The switch box and cable harness is pictured in Figure 18 The transmitter which will use the switch box requires the P9 option when ordering to ensure an MDM 9 port is installed If you already own a Quasonix transmitter with an old switch box...

Page 35: ...Instructions 3 1 Mechanical The standard 4 2 cubic inch TIMTER 04AB package is designed to be mounted by four 4 6 32 screws through the holes in the four corners as depicted in Figure 20 Drawings for all TIMTER packages are located on the Quasonix web site Figure 19 4 2 in3 TIMTER ...

Page 36: ...TIMTER Multi mode Digital Telemetry Transmitter 28 Quasonix Inc Figure 20 Outline Drawing TIMTER 04AB Telemetry Transmitter ...

Page 37: ... connectors an MDM 15 type connector known as the primary and an SMA female for the RF output connection Certain transmitter options may require additional connectors The pin numbering and pin assignments for the transmitter connectors vary depending on the interface type connector gender and options ordered A pinout code is assigned based on transmitter type and options Section 1 2 describes the ...

Page 38: ...c the local settings Most browsers allow you to right click on the link and determine how to open it or print it regardless of the default setting Figure 21 Example Quasonix Pinout Drawing The data is sampled on the falling edge of the clock as shown in Figure 22 ...

Page 39: ...TIMTER Multi mode Digital Telemetry Transmitter 31 Quasonix Inc Figure 22 Baseband Signal Timing ...

Page 40: ... the low power mode 4 1 2 2nd Generation Switch Box Notes If a Quasonix 2nd Generation Digital Switch Box is attached to the transmitter and the digital switch box option is present check the part model number of the transmitter for DSWBX all changes made to mode frequency or LDPC selections on the transmitter are also updated immediately on the Switch Box This ensures the switch box settings alwa...

Page 41: ...or 2 arguments If the command is issued with arguments there must be a space after the alphabetic characters The commands are not case sensitive A carriage return is required to initiate each command except for the single key commands described at the beginning of the table Most parameters set by these commands are stored in the unit s nonvolatile flash memory CS and DS are the exception On power ...

Page 42: ...ands Mnemonic Command Name Description Option s Required Setting Saved Factory Default Frequency Step Down Left square bracket key retunes the transmitter to the next lower frequency as determined by the frequency step FS parameter Reply to the control window is the new frequency in MHz No Enter key required Standard N A N A Frequency Step Up Right square bracket key retunes the transmitter to the...

Page 43: ... CS commands can create a clock even when one is not externally applied Examples AC Report the automatic carrier state AC 0 Set automatic carrier OFF AC 1 Set automatic carrier ON Refer to section 4 2 1 1 1 for related AC command detail AC ACS N Y AC 1 AFMS Analog FM Set analog FM mode Examples AFMS 1 0 Set analog FM deviation in units of MHz per volt FM Y AFMS 0 AI Aux Input Select Enable disable...

Page 44: ... related BBCK command detail Standard N A N A BD Display Bias Data Display the most recent drain current drain voltage drive bias voltage and final bias voltage Depends on Tx version N A N A BR Bit Rate Used when the Clock Free CF option is specified and internal transmitter clock is in use Report or set the bit rate of the bit sync that is locking to the externally applied data Not to be confused...

Page 45: ...input Refer to section 4 2 1 1 4 for related BT command detail Refer to Table 3 for Clock Data Interface codes Interface type D M or S Y BT R CC Convolutional Encoder Enables or disables the convolutional encoder Examples CC Report convolutional encoder state CC 0 Set the convolutional encoder to Disabled CC 1 Set the convolutional encoder to Enabled Refer to section 4 2 1 1 5 for additional CC co...

Page 46: ...ut Off CG 1 Use Internal clock Refer to section 4 2 1 1 6 for additional CG command detail CG Y CG 0 CP Clock Polarity Report or set clock polarity Examples CP Display the current clock polarity CP 0 Set clock polarity to NOT inverted CP 1 Set clock polarity to inverted CP A Set clock polarity to auto Automatically selects the most reliable clock edge Standard Y CP A CR Current Preset Read Reports...

Page 47: ... DS command in order to have synchronous usable data Also refer to Appendix C Understanding Clock Data AC and BR Standard N CS 0 DE Differential Encoding Report or set differential encoding for the SOQPSK TG or other PSK mode Differential encoding typically disabled for other modes If LDPC enabled DE resets to 0 DE is not valid with MC enabled Examples DE Report the differential encoding setting D...

Page 48: ... 0 external at power up Examples DS Display current data source DS 0 Set data source to external DS 1 Set data source to internal value of internal source is set by ID command Standard N DS 0 FO Frequency Offset Offsets the synthesizer X MHz and the FPGA X MHz Example FO 0 0055 offsets 5 5 kHz Refer to section 4 2 1 1 7 for additional FO command detail FO Y FO 0 FP Read Frequency Plug Returns curr...

Page 49: ...s command rounds the frequency to the nearest 0 5 MHz If the rounded frequency is within one of the transmitter s allowed bands the transmitter will tune that frequency and confirm the change for the user If the frequency is outside of the allowed range for the unit the transmitter will NOT retune but will report an error to the user If the FO option is present the resolution is 1 Hz 0 000001 MHz ...

Page 50: ...rrent frequency step FS 1 Frequency step 1 MHz Standard Y FS 1 H or HE Help Displays a list of available commands Commands require a carriage return at the end of the line and may also accept parameters Some commands may not be enabled depending on required options Standard N A N A HP High Power Report or set high power level Valid range is 0 31 in 1 dB steps or 0 31 5 in 0 5 dB steps depending on...

Page 51: ...which phase locks to the externally applied data if Clock free is enabled If no argument is passed the unit reports the clock frequency If a valid frequency is given the internal clock frequency is set The frequency is in MHz Examples IC Display current internal clock rate IC 4 95 Set internal clock rate to 4 95 MHz Valid range is 0 002 MHz 46 0 MHz for most transmitters some legacy transmitters 0...

Page 52: ...N15 or PN23 or a valid 4 digit hexadecimal value or USER If USER two or more arguments may be included in format ID USER pattern bitlen Pattern A 32 bit hex pattern Bitlen Number of bits 1 32 in the user pattern Examples ID Report the internal data pattern ID PN15 Set internal data pattern to PN15 ID USER AA55 Set internal data pattern to 0xAA55 In SOQPSK mode ID USER 5555 or ID USER AAAA will res...

Page 53: ...sults of the following commands SN VE A RFS SS ZZ ZF ZS ZCP ZC ZR ZY SCP SY etc This is typically to capture the state of the unit for debug Standard N A N A IQR I and Q Gain Ratio Reports or sets the ratio of I to Q gain in dB Current mode must be SQPN or UQPSK Examples IQR Display current I Q ratio IQR 4 Set I to Q gain ratio to 4 dB Valid range is about 10 dB to 10 dB SQPN or PSK Y IQ Independe...

Page 54: ...to use the auxiliary TTL input in clock free mode with auto bit rate enabled IS EN 10 Sets unit to use the Ethernet interface for both clock and data and to set the desired bit rate to 10 Mbps Refer to section 4 2 1 1 10 or additional IS command detail Standard on all units version 2 409 or greater N A N A LC List Configurations Lists the stored configurations on the unit If a configuration number...

Page 55: ...ult to DE enabled Automatically re enables DE for SOQPSK mode Refer to section 4 2 1 1 11 for additional LD command detail LD LD6 Y LD 0 LP Low Power Report or set low power level Valid range is 0 31 in 1 dB steps or 0 31 5 in 0 5 dB steps depending on the transmitter Examples LP Report the present low power level LP 3 Set low power to 3 LP Max Set low power to the highest allowable value for the ...

Page 56: ...n every transmitter Examples depending on modes ordered MO Report the modulation setting MO 0 Set modulation to PCM FM MO 1 Set modulation to SOQPSK TG MO 2 Set modulation to MULTI h CPM MO 3 Set modulation to BPSK MO 4 Set modulation to QPSK MO 6 Carrier only no modulation MO 7 Set modulation to OQPSK MO 8 Set modulation to UQPSK MO 10 Set modulation to STDN MO 11 Set modulation to SQPN MO 12 Set...

Page 57: ...nd current readings Example MV Display current values 5V Voltage 5 586 V 28V Current 0 789 A 28V input 27 365 V HVA 2 Current 0 008 A HVA 2 voltage 13 958 V HVA 1 Current 0 108 A HVA 1 voltage 13 763 V 3 6V RF Voltage 3 623 V 5 5VDC Voltage 5 564 V 1 1V Voltage 1 096 V 3 6V Dig Voltage 3 626 V Standard N A N A OC Overtemperature Control Enable Enables or disables overtemperature control OC 0 Disab...

Page 58: ...l is set to current high power level refer to HP command If the user enters 0 then power is set to the current low power level refer to LP command Examples PL Report the current power level state PL 0 Set the current power level to low PL 1 Set the current power level to high Disabled in Parallel Mode DP Y PL 0 PR or RE Restore Defaults Restores factory default parameters for the unit Default is c...

Page 59: ...mber entered is valid If the selected configuration has no valid data or the command is issued without a configuration number the transmitter is initialized with the default data and saved Example RC Load configuration 0 default setup RC 3 Load configuration 3 Standard N A N A RF RF Output Report or set RF output control state Note that there may be no RF output even if the software control is set...

Page 60: ... 3 VDC RZ 0 means the RF is ON when the RF On Off pin is low RZ 1 means the RF is ON when the RF On Off pin is high floating Examples RZ Show the current RF On Off polarity RZ 0 Set RF On Off polarity to pin low on RZ 1 Set RF On Off polarity to pin high on The default polarity on most Quasonix transmitters is high The RF On Off pin is a hard OFF control No matter what state everything else is in ...

Page 61: ...Pot Report the value of the digital pot for HVA on the transmitter Range is 0 to 255 Standard N A 255 SI Spectral Inversion Sets the modulation scaling to 1 whatever the current scaling is in order to invert the spectrum This is in ADDITION to any changes in modulation scaling factor That is if you enter a negative MS and then turn SI on you will have a NON_inverted spectrum Examples SI Report spe...

Page 62: ...to the desired preset Examples SV 1 Save current configuration to preset 1 SV 7 xyz Save current configuration to preset 7 and assign alias name xyz Refer to SV Note below for exception Standard N A N A SW Frequency Sweep Sweeps the transmitter frequency between provided limits with provided step size at a fixed rate Examples SW Displays current status SW Displays command help with status SW 1 Sta...

Page 63: ... argument specifies the period in milliseconds between status updates Zero 0 disables continuous monitoring The second argument specifies the number of status lines between header outputs Examples SY Displays current status report settings SY 0 Disables continuous reporting SY 5000 210 Sets status header output once every 210 status updates Refer to section 4 2 1 1 17 for additional SY command det...

Page 64: ...0 B Clock rate 1 C Clock rate 2 D Clock rate 3 F Frequency 1 G Frequency 2 I CF rate1 J CF rate2 M Mode 1 N Mode 2 T Temperature 1 U Temperature 2 Examples SZ SZ command Help with up to date list of status values SZ Show current values to be included in status report SZ MFGT Set status to show Mode 1 Frequency 1 Frequency 2 and Temperature 1 Standard Yes TD Temperature Compensation Display Display...

Page 65: ...rd N A N A VF Variable FIFO Depth Sets the FIFO depth for controlling latency time between bits in and bits out Valid range is 0 to 255 Example VF 120 120 Variable Power VF Y VF 128 VP Variable Power Report or set variable power level Valid range is 0 31 in 1 dB steps or 0 31 5 in 0 5 dB steps depending on the transmitter Examples VP Report the variable power level VP 31 Set variable power to 31 V...

Page 66: ...ulation Control Register Reads and displays the modulation control register Standard N A N A ZC Show Configuration Parameters Display all configuration parameters If there is no argument then the current params are displayed If there is an argument 0 15 then that preset is displayed If C for current is entered then the current params in memory are displayed Examples ZC Display all parameters ZC 2 ...

Page 67: ... preset is restored CS and DS will be forced to 0 external clock and data This action prevents a transmitter from powering up or changing hardware presets and being set to internal clock and or data The ONLY way to restore CS and or DS as 1 from a saved configuration is by executing the RC command 4 2 1 1 Additional Command Set Details 4 2 1 1 1 Automatic Carrier Output AC This command requires th...

Page 68: ...ws the user to set the hard bit rate on a clock free transmitter or set the clock free bit rate to Automatic When set to Automatic the internal transmitter logic determines the correct bit rate from the input data stream For Automatic to work the input data stream must be sufficiently randomized The bit rate must be below 35 Mbps to use automatic bit rate detection Do not confuse the BR command wi...

Page 69: ...re could be garbage if the manually set fixed rate does not match the actual incoming data rate Next assume the transmitter is NOT in clock free mode 1 CF 1 CF Disable set to 1 Normal 1 BR A CF Bitrate Mode set to Auto 1 BR CF Bitrate Mode currently Auto CF Bitrate currently 7 700 Mbps CF Operation NOT Enabled Since the current setting is BR Auto the rate shown is what would be used as determined ...

Page 70: ...dth than all but the lowest rate LDPC codes and its error correcting performance is inferior to LDPC If possible LDPC is the preferred FEC CC is mainly used with legacy PSK modes 4 2 1 1 6 Clock Generator Source Select Command CG CG is only active if the unit has the CG option CG 0 is the default to match legacy units The CG command allows the user to pick one of the following for the clock genera...

Page 71: ...valid 2190 0 MHz Freq NOT set 4 2 1 1 9 Internal Clock Rate IC This rate is used if the clock source is set to internal CS 1 It should not be confused with BR which sets the rate of the internal bit sync which phase locks to the externally applied data if Clock free is enabled If no argument is passed the unit reports the clock frequency If a valid frequency is given the internal clock frequency i...

Page 72: ...Actions ds 0 cs 0 bt 1 if needed cf 0 AUTO for clock free with BR auto Actions ds 0 cs 0 cf 0 br a bt 1 ai 0 and en 0 if needed XX xxx for clock free with BR XX xxx Actions ds 0 cs 0 cf 0 br XX xxx bt 1 ai 0 and en 0 if needed If ds ER or EL then cs MAY be Nothing defaults to ER for an external RS422 clock ER for an external RS422 clock EL for an external LVDS clock Actions ds 0 cs 0 bt 3 if neede...

Page 73: ...X xxx for internal clock with ic XX xxx Actions ds 1 cs 1 id XXXX ic XX xxx If ds AB then cs MAY be Nothing defaults to clock free at current BR displayed Actions ds 0 cs 0 ai 1 cf 0 AIR 0 br en 0 if needed X for clock free with current BR Actions ds 0 cs 0 ai 1 cf 0 AIR 0 br en 0 if needed AUTO for clock free with BR auto Actions ds 0 cs 0 ai 1 cf 0 AIR 0 br a en 0 if needed XX xxx for clock free...

Page 74: ...ernal TTL clock and data to be applied to the unit inputs IS PN15 4 5 Sets unit to internal clock data with a PN15 pattern at 4 5 Mbps IS AT AUTO Sets unit to use the auxiliary TTL input in clock free mode with auto bit rate enabled IS EN 10 Sets unit to use the Ethernet interface for both clock and data and to set the desired bit rate to 10 Mbps 4 2 1 1 11 Low Density Parity Check LDPC Command LD...

Page 75: ... 2 2 k 4096 r 2 3 3 k 1024 r 2 3 4 k 4096 r 4 5 5 k 1024 r 4 5 With the LD6 option use LD 0 or 1 to disable or enable LDPC then use 0 5 to indicate the desired LDPC code A space is required between the disable enable code and the desired LDPC selection as shown in the examples Examples LD 0 Disable the LDPC encoder LD 1 2 Enable the LDPC encoder and set the block size and code rate to k 4096 r 2 3...

Page 76: ...MHz SD 100 CS 0 DS 0 IC 5 000 ID pattern currently PN23 BR 5 000 Mbps Auto RF 1 CC 0 MC 0 MS 1 000 LP 0 0 HP 31 5 DE 0 RA 0 CP A DP 0 SI 0 VP 31 5 bb_clk_okay 1 clock free bitrate N A Power Level 31 5 dB DL 4400 i dac 5075 q dac 11362 iqr 7 0 dB Tmpcmp Enabled DL chk Enabled Synth locked RF State On Desired RF On Last Dsrd RF On LDPC Off code 2 BB rate 5 000 Mbps OTA rate 5 000 Mbps PA_RF_state 0 ...

Page 77: ... the following circumstances If a mode change from a terminal Handheld Programmer or switch box or recall preset occurs the sweep is automatically terminated If the frequency on an attached switch box is changed while a sweep is running the sweep terminates If invalid sweep parameters are entered or an error message occurs while a sweep is running the sweep will terminate This is to ensure the int...

Page 78: ...if internal data is presently in use CS 1 Freq Tuned frequency Tmp Current temperature Crate Clock filter clock rate This is the actual over the air bit rate regardless of the selected data source and including any increases due to encoding LDPC or convolutional IN clock free automatic mode it may differ from CF Rate because it will track the bit sync rate exact if locked rather than the clock fre...

Page 79: ...to 0 1 or Automatic as follows In automatic mode the actual XDC outputs are based on current frequency and the XDF and XDP settings These commands are specific to the XDC Control Output channel pin 3 pin 8 selected by the XDCH command described in section 4 2 1 1 19 XDC 0 means set the TTL control output to 0 unless XDP polarity invert is set in which case it is set to 1 XDC 1 means set the TTL co...

Page 80: ...and is similar to the CH command used on a Dual Transmitter 4 2 1 1 20 External Device Frequency Switching Threshold Command XDF The XDF command sets the frequency threshold at which the TTL control output changes states This command has no effect unless XDC is set to Auto XDF accepts and displays up to six decimal places meaning the frequency in MHz can have precision down to 1 Hz The trip point ...

Page 81: ... whether XDC is set to auto or just an XDC parameter which will otherwise be 0 or 1 The output is determined from those Then if XDP is 0 do nothing If XDP is 1 invert the output Syntax XDP 0 1 where XDP 0 no invert means set the TTL control output to 1 if XDC 1 or if XDC A and current FR XDF 0 if XDC 0 or if XDC A and current FR XDF XDP 1 invert means set the TTL control output to 0 if XDC 1 or if...

Page 82: ... level on the RF On Off pin allows RF On If RZ 0 then a low level ground the RF On Off pin allows RF On The RZ command is described in section 4 2 1 5 1 Troubleshooting the RF on a Quasonix Transmitter The following is a quick three part test to verify that the RF output on the transmitter is working correctly This procedure should work for most transmitters with no modifications however the sheer...

Page 83: ...type FR 4 Turn the soft RF control ON with RF 1 5 Enable the internal clock source with CS 1 6 Enable the internal data source with DS 1 7 Set the internal clock rate to 5 Mbps with IC 5 8 Set the internal data pattern to PN15 with ID PN15 9 Use a spectrum analyzer to verify the desired waveform on the RF output at the desired frequency 10 If the waveform is NOT present check the state of the RF O...

Page 84: ...is status indicates whether the transmitter believes the RF output is actually ON or not The SY command may be issued to check the actual clock rate that the transmitter sees if no RF output is detected One of the most common problems is a clock rate that is too high or too low or missing for the desired modulation Finally if you have a full RF loop running with a BERT and are having trouble achie...

Page 85: ...0 amps L or S band 5 Watt 1 0 amps 0 85 amps L or S band 10 Watt 2in3 packages 1 4 amps 1 1 amps L or S band 10 Watt 2in3 packages 1 8 amps 1 5 amps L S band 5 Watt 1 2 amps 1 0 amps L S band 10 Watt 2 2 amps 1 8 amps L S band 18 or 20 Watt 3 2 amps 2 8 amps L band 18 or 20 Watt 3 2 amps 2 8 amps S band 18 or 20 Watt 2 8 amps 2 5 amps S band 25 Watt 3 2 amps 2 9 amps C band 10 mWatt 0 3 amps 0 25 ...

Page 86: ...te reliably and unobtrusively in the most challenging environments This includes electromagnetic interference and compatibility EMI EMC requirements More specifically all Quasonix transmitters in the TIMTER family 2 cubic inches and above have been designed to comply with the following requirements of MIL STD 461G and MIL STD 461E and 461F when those now obsolete standards have been applied Table ...

Page 87: ...quencies supported by TIMTER transmitters are listed in Table 17 Table 17 Carrier Frequencies MHz Band ID Code Band Minimum Freq Maximum Freq Default Freq Tuning Steps Max Power A Lower S 2200 5 MHz 2300 5 MHz 2250 5 MHz 0 5 MHz 25 W B Mid C and Euro Mid C 5091 0 MHz 5250 0 MHz 5120 0 MHz 0 5 MHz 20 W C C Low 4400 0 MHz 4950 0 MHz 4620 0 MHz 0 5 MHz 20 W D C with Mid C 4400 0 MHz and 5091 0 MHz 49...

Page 88: ...z 1534 5 MHz 1855 0 MHz and 2394 5 MHz 1450 5 MHz 0 5 MHz 20 W N Upper S 2300 5 MHz 2394 5 MHz 2370 5 MHz 0 5 MHz 25 W Q L S and C 1435 5 MHz 1750 0 MHz 2200 5 MHz 4400 0 MHz 5091 0 MHz 1534 5 MHz 1855 0 MHz 2394 5 MHz 4950 0 MHz 5150 0 MHz 1450 5 MHz 0 5 MHz 10 W S S 2200 5 MHz 2394 5 MHz 2370 5 MHz 0 5 MHz 20 W T Lower L and C 1435 5 MHz 4400 0 MHz 5091 0 MHz 5091 0 MHz 1534 5 MHz 4950 0 MHz 515...

Page 89: ...Hz and 5250 0 MHz 1450 5 MHz 0 5 MHz 20 W 6 5 Carrier Frequency Error The frequency error is less than 20 ppm over all combinations of temperature voltage and aging up to five years 6 6 Bit Error Rate The transmitter meets the following BER limits when tested with the Quasonix multi mode multi symbol trellis demodulator Table 18 Transmitter BER Specifications with Quasonix Demodulator BER Maximum ...

Page 90: ... carrier frequency in MHz R the bit rate in Mb s P the rated power output of the UUT in Watts and the values of K and m are as tabulated in Table 19 Table 19 K and m Values per Waveform K m PCM FM Tier 0 28 2 SOQPSK TG Tier I 61 4 MULTI h CPM Tier II 73 4 As noted in the equation above the mask has a floor at 55 10 log P dBc and the mask imposes no limit on the spectrum for frequency offsets less ...

Page 91: ...TIMTER Multi mode Digital Telemetry Transmitter 83 Quasonix Inc Figure 24 PCM FM Tier 0 Power Spectral Density with Mask Figure 25 SOQPSK TG Tier I Power Spectral Density with Mask ...

Page 92: ...MTER Multi mode Digital Telemetry Transmitter 84 Quasonix Inc Figure 26 MULTI h CPM Tier II Power Spectral Density with Mask 6 8 Phase Noise Power Spectrum TIMTER phase noise limits are shown in Figure 27 ...

Page 93: ...rces and the baseplate The 10 mW 20 mW 5 W and 10 W TIMTER versions are rated for operation with baseplate temperatures ranging from 40 C to 85 C while the 20W version is rated from 40 C to 70 C 6 10 Vibration and Shock The transmitter is designed and tested to operate normally when subjected to random vibration and shock The shock and vibe test setup employed by Quasonix is shown in the following...

Page 94: ...TIMTER Multi mode Digital Telemetry Transmitter 86 Quasonix Inc Figure 28 Vibration Shock Testing System Figure 29 TIMTER Mounted for Z axis Testing ...

Page 95: ... Figure 30 TIMTER Mounted for X axis Testing Figure 31 TIMTER Mounted for Y axis Testing 6 10 1 Vibration Testing Each transmitter is subjected to the random vibration spectrum depicted in Figure 32 and Table 20 prior to shipment Figure 32 TIMTER Vibration Profile ...

Page 96: ... Spectrum Breakpoints Frequency Hz PSD g2 Hz 20 0 04 30 0 17 150 0 17 200 0 2 2000 0 2 G RMS 19 6 During flight qualification testing the unit under test UUT was shaken for 30 minutes in each axis The results are shown in Figure 33 Figure 34 and Figure 35 Figure 33 Z axis Vibration Spectrum ...

Page 97: ...TIMTER Multi mode Digital Telemetry Transmitter 89 Quasonix Inc Figure 34 Y axis Vibration Spectrum Figure 35 X axis Vibration Spectrum ...

Page 98: ...o shock pulses as follows Type Half sine Level 60 g Duration 5 milliseconds Application Three 3 shocks in each direction of the three 3 orthogonal axes both positive and negative for 18 shocks total The plots of the positive and negative pulses in each of the three axes are shown in the following figures Figure 36 Shock Pulse Z axis Positive ...

Page 99: ...TIMTER Multi mode Digital Telemetry Transmitter 91 Quasonix Inc Figure 37 Shock Pulse Z axis Negative Figure 38 Shock Pulse Y axis Positive ...

Page 100: ...TIMTER Multi mode Digital Telemetry Transmitter 92 Quasonix Inc Figure 39 Shock Pulse Y axis Negative Figure 40 Shock Pulse X axis Positive ...

Page 101: ...TIMTER Multi mode Digital Telemetry Transmitter 93 Quasonix Inc Figure 41 Shock Pulse X axis Negative ...

Page 102: ...TIMTER Multi mode Digital Telemetry Transmitter 94 Quasonix Inc 7 Maintenance Instructions The TIMTER transmitter requires no regular maintenance and there are no user serviceable parts inside ...

Page 103: ...ion of the Products At no time shall requests for changes in the software architecture or visual esthetics be considered a warranty item The Products are manufactured using new materials only Replacement parts may be new or equivalent to new Replacement parts are warranted to be free from defects in material or workmanship for thirty 30 days or for the remainder of the Warranty Period of the Produ...

Page 104: ...uasonix or e by modification or service by anyone other than i Quasonix ii an Quasonix authorized service provider or iii your own installation of end user replaceable Quasonix or Quasonix approved parts if available for the Products in the servicing country THE TERMS OF THE WARRANTIES CONTAINED HEREIN DO NOT IN ANY WAY EXTEND TO ANY PRODUCT OR PART THEREOF OR SOFTWARE MATERIALS WHICH WERE NOT MAN...

Page 105: ...rn shipment Authorized return shipments must be addressed in the following manner Quasonix Inc ATTN Repair RMA 6025 Schumacher Park Drive West Chester OH 45069 To ensure that your shipment is processed most efficiently please include the following information with your product return Ship To Company name address zip code and internal mail drop if applicable Attention Contact person Name Title Depa...

Page 106: ...command from a terminal 6 The preset pins are read only at power up Changing the preset pins after power on has no effect 7 The presets are set in your lab from the 0000 state using the PS or SV command Storing a preset is done by configuring the device as you wish it to operate then saving the setup toa particular preset The save is performed by typing the following command SV x name where x is t...

Page 107: ...ee CF option is not supported Customer number No way to return it using binary protocol Frequency Step FS command is not implemented High Power HP command is not supported even with DP option Low Density Parity Check LDPC LD option is not supported Low Power LP command is not supported even with the DP option Model number Not implemented no way to return it using binary protocol Modulation Scaling...

Page 108: ...mmand DS 1 in order to have synchronous usable data For details about specific commands refer to AC BBCK BR CF or IC Table 21 Transmitter Priority of CS CF BR and AC When RF is On CS CF BR auto manual Ext Clk In Ext Dat In AC RF Out 1 x x x x x RF out is based on IC and ID 0 0 Auto x present x RF out is based on auto CF rate derived from ext data input 0 0 Auto x not present 0 RF Off 0 0 Auto x no...

Page 109: ...TIMTER Multi mode Digital Telemetry Transmitter 101 Quasonix Inc Figure 42 Transmitter Clock and Data Logic ...

Page 110: ... Bayonet Neill Concelman Connector RF Connector BPSK Binary Phase Shift Keying CF Clock Free option CG Clock Generator option CPM Continuous Phase Modulation DB Data Bias Level option DB 9 D subminiature 9 pin Serial Connector DD Debounce Delay DE Differential Encoding DDS Direct Digital Synthesizer DP Data Polarity option DP Dual Power DS Data Source option FPGA Field Programmable Gate Array FS F...

Page 111: ...PF Parallel Port Frequency PL Power Level PM Parallel Port Mode PM Phase Modulation PSK Phase Shift Keying PW Parameter Write option QPSK Quadrature Phase Shift Keying QT Query Temperature option RC Recall Configuration option RF Radio Frequency RG Reverse Gender option RJ 45 Ethernet Connection Jack RN Randomizer option RS 232 Recommended Standard 232 Serial Communications SC Startup Configuratio...

Page 112: ...ransistor Logic UDP User Datagram Protocol UQPSK Unbalanced Quadrature Phase Shift Keying US Upper S band USB Universal Serial Bus UUT Unit Under Test VAC Voltage Alternating Current VDC Voltage Direct Current VP Variable Power option VR Variable Reference Level VSWR Voltage Standing Wave Ratio W Watt WAN Wide Area Network WV Wide Input Voltage Range option ...

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