Specifications - Advanced Test Equipment Rentals
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1. rate data pattern When in WORD mode Phase A and Phase B outputs are alternating bits Connectors SMA Error Injection Internal Rates Single or 1x10 for n 3 4 5 6 7 External 1 error injected for each rising edge ECL Connectors Rear panel mounted BNC Front Panel Auxiliary Outputs Pattern Sync Clock 4 Level 250 mVp p into 50 Ohms 500 mV into Hi Z Pattern Sync One bit wide pulse per frame Clock 4 Quarter Rate Clock Connectors SMA GB1400 User Manual A 3 Specifications RS 232 and GPIB Interfaces Controlled functions Remote control of all front panel functions except POWER and PANEL LOCK Read back functions Read back of ten clock frequencies and ten data patterns stored in non volatile memory unit operating frequency clock source status pattern select GPIB EOS character LF line feed OA hex GPIB Address Front panel select 0 30 or OFF BUS AC Power Requirements Voltage range 90 VAC to 250 VAC auto ranging Frequency range 47 63 Hz Power 125 VA Max Fuse rating 115 VAC 5 Amp SLO BLO 230 VAC 5 Amp SLO BLO Operating range 0 to 50 degrees C Mechanical Weight 10 Kg 22 Ibs Size 152 mm H x 366 mm W x 340 mm D 6 x 14 4 x 13 4 Rack Height 275 mm 7 4 RMU A 4 GB1400 User Manual Specifications GB1400 Analyzer Clock Input Frequency Range MHz to 1400 MHz Input Level 0 5V to 2 0Vp p Single Ended or Differential Impedance 50 Ohms AC coupled 50 Ohm ECL to 2V with BURST MODE option2. Advanced Test Equipment Rentals A ished 1981 www atecorp com 800 404 ATEC 2832 Specifications This appendix details the Specifications of the GB 1400 Generator TX and GB 1400 Analyzer RX Note The same term can be expressed three different ways CLOCK CLOCK BAR NOT CLOCK DATA DATA BAR NOT DATA GB1400 Generator TX Internal Clock Source Frequency Range MHz to 1400 MHz Step Size Range 0 01 0 1 1 10 100 1000 MHz Resolution 1 kHz Accuracy 10 ppm within calibration interval Frequency Memory 10 frequencies External Clock Source Frequency Range MHz to 1400 MHz Burst Mode Option 150 kHz to 1400 MHz Input Level 0 5V to 2 0Vp p Impedance 50 Ohm AC coupled with Burst Mode option 50 Ohm ECL Connector SMA GB1400 User Manual A 1 Specifications Data Patterns Format Type PRBS Patterns WORD Lengths NRZ L Normal and Complement PRBS or WORD User programmable 2 n 7 15 17 20 23 8 and 16 bit only 1 Mbit memory with optional memory PRBS Phase Tap Information The Pseudo Random data patterns used in the GB 1400 TX are generated by shift register and exclusive OR feedback technique The pattern is dependent on which feedback taps shift register outputs are selected For example PN7 is defined as a seven stage shift register which the output of stages 6 and 7 fed back through an exclusive OR gate to the beginning of the shift register The feedback taps used in the GB 1400 are tabulate
3. Input Threshold Non programmable fixed threshold levels Connector SMA Burst Mode option Data Input Format Data Rate Input Threshold Input Level Impedance Termination Voltage Delay Range Connectors GB1400 User Manual 150 kHz to 1400 Mhz ECL Levels NRZ L True or inverted differential or single ended 1 to 1400 Mb s Burst Mode option 150 kbps to 1400 Mbps 1 5V to 1 0V 50 mV steps 0 5V to 2 0Vp p Single ended operation requires external cable connection 50 Ohms Selectable Grid 2 0V or AC 0 3 99 ns variable in 5 psS steps SMA A 5 Specifications Data Patterns Format Type PRSB Patterns WORD Length NRZ L PRBS or WORD User programmable 2 where n 7 15 17 20 23 8 and 16 bit only Mbit with optional memory PRBS Phase Tap Information The Pseudo Random data patterns used in the GB 1400 RX are generated by shift register and exclusive OR feedback technique The pattern is dependent on which feedback taps shift register outputs are selected For example PN7 is defined as a seven stage shift register which the output of stages 6 and 7 fed back through an exclusive OR gate to the beginning of the shift register The feedback taps used in the GB 1400 are tabulated here Pattern Feedback Taps PN7 6 7 PN15 14 15 PN17 14 17 PN20 17 20 PN23 18 23 Reference Data Input Format NRZ L true Data Rate 1 Mb s to 1400 Mb s Input Threshold V
4. WER and PANEL LOCK Read back of ten data patterns stored in non volatile memory unit operating frequency bit error rate information sync and history status pattern select LF line feed OA hex Front panel select 0 30 or OFF BUS Parallel Centronics type and re directable to serial RS 232C or GPIB ports Front panel key prints unit setup Print if BER threshold is exceeded programmable rate IE 02 to 1E 16 Print on End of Window programmable in time 1 sec 24 hrs or bits 1 E8 1E16 Print on End of Test programmable rate 1 sec to 24 hours AC Power Requirements Voltage range Frequency range Power Fuse rating Operating range Mechanical Weight Size Rack Height GB1400 User Manual 90 VAC to 250 VAC auto ranging 47 63 Hz 125 VA Max 115 VAC 4 Amp 230 VAC 2 Amp 0 to 50 degrees C 10 Kg 22 lbs 152 mm H x 366 mm W x 340 mm D 6 x 14 4 x 13 4 275 mm 7 4 RMU
5. anual Mode User selects parameters then unit attempts to synchronize on the input data pattern Disable Mode GB1400 User Manual SYNC circuitry disabled Specifications SYNC thresholds PRBS mode 25 1024 erros 4096 bits WORD mode 3 1 128 errors 4096 bits Optional 1 Mbit WORD thresholds programmable Level BER Ratio Errors bits 3 1E 2 256 8192 7 8E 3 256 32768 1 9E 3 256 131072 9 7E 4 256 262144 4 8E 4 256 524288 2 4E 4 256 1048576 1 2E 4 256 2097152 6 1E 5 256 4194304 3 0E 5 256 8388608 O IN OQ Jo A o N Measurements BER Measurements Three simultaneous BER measurements Totalim Window and Test displayed as BER 9 9E 01 to lt 1 0E 16 Totalize 0 to 99999999 then 1 0E8 to 9 9E36 Totalize Mode BER since power on or reset Window Mode BER over sliding window programmable in time 1 sec to 24 24hrs or bits 1LE 8 1E 16 Test Mode BER over time of test programmable in time 1 sec to 24 hrs Additional calculations include ES EFS TES SES DM US and LOS Frequency System Clock Frequency 10 KHz resolution History Indicators SYNC loss Bit Error Phase Error Power A 8 GB1400 User Manual Specifications RS 232 and GPIB Interfaces Controlled functions Read back functions GPIB EOS character GPIB Address Printer Interface Format Hardcopy Print on event Print on EOW Print on EOT Remote control of all front panel functions except PO
6. ariable 1 5 V to 1 0 V 50 mV steps Input Level 0 5V to 1 5Vp p Impedance 50 Ohms Termination Voltage Delay Range Connectors Selectable Gnd 2 0V or AC 0 3 90 ns variable in 100 pS steps SMA GB1400 User Manual Specifications Auxiliary Signals Pattern Sync Clock Data Error and Threshold Level Impedance Data Monitor Clock Monitor Pattern SYNC Error Inhibit Error Output AUX Connectors Synchronization Auto Search 250 mVp p into 50 Ohms 500 mV into Hi Z 50 Ohms Latched Input Data Buffered Input Clock 1 bit wide pulse per frame Rear panel ECL Rear panel ECL Rear panel Data Threshold output Note Connect this output to DATA BAR Not DATA for single ended operation SMA Unit automatically finds the Data Threshold the Clock Data input timing phase delay the input Data Pattern PRBS or WORD mode and Data Polarity There are two modes to find the Data Delay FAST A quick method using the Clock Data phase indicator BER A slower method which uses the signal s bit error rate Either method will make available the width of the Data Eye if possible The BER method allows user control over Data Sample Size 10E 4 to 10E 11 This is the number of data bits sampled at each Delay setting used to determine the center of the Data Eye Bit Error Rate Threshold 10E 3 to 10E 10 This is the threshold used to determine which Delay settings are part of the Data Eye Crossing M
7. d here Pattern Feedback Taps PN7 6 7 PN15 14 15 PN17 14 17 PN20 17 20 PN23 18 23 Data Output True and Complement Amplitude Baseline Offset Pulse Top Limit Rise Fall Time Source Impedance Output Timing Jitter Connectors Data Inhibit Data Inhibit Rate Data Invert A 2 Variable 0 5V to 2 0V 50 mV steps Variable 2 0V to 1 0V 50 mV steps 2 0V to 1 8V 50 mV steps with PECL option 2 OV into 50 Ohms 4 0V open load 2 8V into 50 Ohms with PECL option 150 pS typical 20 80 at 1 V amplitude 50 Ohms CLOCK DATA edge aligned 100 pS 100 pS peak to peak Max referenced to EXT clock SMA Rear panel SMA ECL 50 Ohms to 2V term Asynchronous bit and 500 pS minimum width Front Panel Selectable GB1400 User Manual Specifications Clock Output True and Complement Amplitude Variable 0 5V to 2 0V 50 mV steps Baseline Offset Variable 2 0V to 1 0V 50 mV steps 2 0V to 1 8V 50 mV steps with PECL option Pulse Top Limit 2 OV into 50 Ohms 4V open load 2 8V into 50 Ohms with PECL option Rise Fall Time 150 pS typical 20 80 at 1 V amplitude Jitter 100 pS peak to peak Max referenced to EXT clock Source Impedance 50 Ohms Connectors SMA Rear Panel Auxiliary Outputs Phase A Phase B Clock 2 Format NRZ L Level 250 mV p p into 50 Ohms 50 mV into Hi Clock Output 1 2 Clock Rate Phase A output Half rate data pattern Phase B output Half
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