PICO PicoSource PG914 差分脉冲发生器 (1GHz)

NTEGRATED STEP RECOVERY DIODE PULSE OUTPUTS
Pulse outputs Positive-going (fast rise) and negative-going (fast fall) outputs returning to 0 V.
Adjustable amplitude and timing parameters. Fast transition on leading edge.
Output impedance 50 Ω
Output connector SMA(f)
Output amplitude Adjustable 2.5 V to 6 V in 10 mV steps
Output accuracy ±10%
Output amplitude limit 2.5 V to 6 V, adjustable in 100 mV increments
Duty cycle limit 50% maximum (for 2.5 V to 4 V amplitude)
20% maximum (up to 6 V amplitude)
Differential deskew range Adjustable in 1 ps steps over 2 ns range
Positive or negative-going, smooth mode Negative-going, fast mode
Pulse transition time < 60 ps (10% to 90%) < 50 ps (10% to 90%)
Pulse aberrations
< +20%, –10% for first 2 ns
< ±7% to 10 ns
< ±2% to (pulse width–50 ns)
< +40%, –10%
Trailing edge transition time < 8 ns (10% to 90%)
PICOSOURCE PG912 AND PG914
DRIVE OUTPUTS WITH TUNNEL DIODE PULSE HEADS
Positive tunnel diode pulse head
Positive-going (fast rise) output on < 70 mV pedestal.
Fixed amplitude and adjustable timing parameters.
Fast transition on leading edge.
Negative tunnel diode pulse head
Negative going (fast fall) output on < –70 mV pedestal.
Fixed amplitude and adjustable variable timing parameters.
Fast transition on leading edge.
Output impedance 50 Ω, ±2 Ω
Output connector N(m)
Output amplitude Fixed 200 mV
Output accuracy ±25%
Differential deskew range Adjustable in 1 ps steps over 200 ps minimum, 300 ps typical
Pulse transition time < 40 ps (10 % to 90%)
Pulse aberrations
< ±20%, for first 2 ns
< ±7% to 15 ns
< ±2% to (pulse width – 50 ns)
Trailing edge transition time < 8 ns (10% to 90%)
Dimensions (each pulse head) 80 mm x 28 mm x 25 mm
Weight (each pulse head) 125 g
ALL MODELS AND OUTPUTS
PULSE TIMING
Pulse trigger source External input, manual single shot event or internal clock
Jitter relative to leading edge 3.0 ps RMS typical. 3.5 ps RMS maximum.
Post-trigger delay to pulse leading edge Fixed 42 ns ±2 ns
Allows leading-edge capture on sampling oscilloscopes
Pulse width and accuracy 200 ns to 4 µs ±10% ±50 ns, adjustable in steps of 25 ns
Pulse width jitter < 150 ppm of width RMS
External trigger hold-off Adjustable 1 µs to 1.3 ms in steps of 200 ns, to maximum of 345 ms in steps of < 15 ppm
INTERNAL CLOCK SPECIFICATION
Period and accuracy Adjustable 1 µs to 1 s, ±100 ppm ±10 ns in steps of 200 ns

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