8133A Overview 8133A Overview 1) Specifications and Applications 2) Operational Overview 3) Block Diagram 8133A Overview 10-Feb04 Page 2 8133A Overview 1) Specifications and Applications 8133A Overview 10-Feb04 Page 3 8133A Key Specifications • 33 MHz to 3 GHz Pulse Generator • up to 3.0 Vp-p Amplitude • Transition Times < 60 ps (20% - 80%) • Differential outputs • Inter channel delay & deskew capability • Optional second pulse or pulse/data channel (PRBS 223-1) • Programmable by SCPI commands via GPIB 8133A Overview 10-Feb04 Page 4 8133A Application Examples • High speed clock generation up to 3 GHz • System Trigger source • PRBS generation for BER measurements • Stimulating high speed data and telecommunication devices for characterization and functional test 8133A Overview 10-Feb04 Page 5 8133A Training Agenda 2) Operational Overview 8133A Overview 10-Feb04 Page 6 8133A Operating Concept • Access to all variable pulse parameters by push buttons and vernier keys • PRBS Hardware generated • 32 bit free programmable memory • All parameters are remote programmable via GP-IB by SCPI commands 8133A Overview 10-Feb04 Page 7 8133A Data Generation • Hardware Generated PRBS • based on a 223-1 polynomial • does not use up data memory • 32 bits of Memory Depth • free programmable • by vernier keys to set logical ‘1’ and ‘0’ • Up to 3 GBit/s signal data rate in NRZ or RZ data format 8133A Overview 10-Feb04 Page 8 8133A Pulse Period Setting • Period range is 330 ps to 30.303 ns represents frequency range from 33.3 MHz to 3.0000 GHz • System clock for single or dual channel instruments • Minimum resolution is 1 ps • Accuracy is ±0.5 % (±0.1 % typical) • External clock mode available, range 33 MHz to 3 GHz • Instrument is not triggerable 8133A Overview 10-Feb04 Page 9 8133A Delay & Deskew Setting • When Option 001, 002 or 003 installed • Maximum range for delay & deskew is -5.000 ns to +15.000 ns • Set in reference to the trigger output • Can be set individually for each channel • Minimum resolution is 1 ps • Accuracy is +/- 50 ps • Press delay button twice to enter deskew mode 8133A Overview 10-Feb04 Page 10 8133A Width/Duty Cycle Setting • Width range is 150 ps to period - 150 ps • Maximum width setting is 10,000 ps = 10.000 ns • Minimum resolution is 1 ps • Accuracy +/- 100 ps • Duty Cycle is subject to Width and Period, range 0% to 100% 8133A Overview 10-Feb04 Page 11 8133A Programmable Output Levels into Ground High Level, programmable -2.90 V to +4.00 V Low Level, programmable -3.00 V to +3.90 V Amplitude, programmable specified 0.10 Vp-p to 3.30 Vp-p 0.30 Vp-p to 3.00 Vp-p Voltage Window -3.00 V to +4.00 V Level Accuracy ±2% of setting ±2% of amplitude ±20 mV Instrument is over-programmable to achieve the specified amplitude. Amplitude doubles into open circuits. 8133A Overview 10-Feb04 Page 12 8133A Training Agenda 3) Block Diagram 8133A Overview 10-Feb04 Page 13 8133A Block Diagram • YIG Clock Generator • External Clock Mode • Not Triggerable • Delay generated on Timing Board • Optional second Pulse/Data Channel with PRBS data generator 8133A Overview 10-Feb04 Page 14