PSPL2600C Datasheet

PSPL2600C Pulse Generator Datasheet
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The PSPL2600C Pulse Generators provide high amplitude positive or negative pulses with convenient front panel control. The output has fast edge rates, smooth transitions and minimal overshoot and ringing. Adjustable output levels are obtained using internal step attenuators, ensuring consistent signal shape at all settings. The outputs are designed for a 50 Ω impedance, but can safely drive any load from a short circuit to an open.

Key performance specifications
  • Positive or negative polarity pulses
  • Adjustable pulse amplitude from
  • Rise Time ≤ 300 ps
  • Adjustable duration from
  • Single shot, or 1 Hz to 100 kHz repetition rate

Key features

  • Front panel operation
  • Internal, external or manual trigger modes
  • Continuously variable repetition rate and duration settings


  • University education and research
  • UWB signal source
  • Semiconductor characterization
  • Laser driver

Typical performance


Positive pulse


Negative pulse

The following figures show typical positive and negative waveforms with the pattern generator Duration control set to minimum. The displays are set to 10 V/div and 1 ns/div.


Minimum duration positive pulse


Minimum duration negative pulse

The following figures show typical leading edge and trailing edge waveforms. The displays are set to 10 V/div and 200 ps/div.


Leading edge waveform


Trailing edge waveform

The following figures show typical pulses with various pulse waveform durations. The displays are set to 10 V/div and 20 ns/div.


20 ns duration pulse waveform


50 ns duration pulse waveform


100 ns duration pulse waveform

The following figures show typical histogram measurements of the timing jitter. The displays are set to 10 V/div and 50 ps/div.


Adjustable delay trigger, trigger measures 12.8 psrms


Fixed 115 ns delay trigger, jitter measures 6.8 psrms

The following figure shows an adjustable duration waveform from 1 ns to 100 ns. The display is set to 10 V/div and 500 ps/div.


Adjustable duration waveform


All specifications apply to all models unless noted otherwise.

Model overview

The performance parameters listed here are typical values. Parameters are guaranteed at 23 °C (±3 °C) when maximum and/or minimum limits are given.

Parameter PSPL2600C PSPL2600C TURBO
Amplitude range into 50 Ω 1 14 mV to 45 V, ≥40 V min. 16 mV to 50 V, ≥45 V min.
Transition time, leading edge (10 – 90%) 1 400 ps, ≤500 ps max. 250 ps, ≤350 ps max.
Transition time, trailing edge (10 – 90%) 1 1 ns, ≤1.8 ns max. 800 ps, ≤1 ns max.
Topline overshoot ≤2%
Attenuation 0 to 70 dB, 1 dB steps
Polarity Positive or negative
Baseline 0 V
Reflection coefficient -30% during pulse, +50% after pulse. Improves with increasing attenuation.
Source impedance (nominal) 50 Ω
Duration (FWHM)
Baseline precursor
Topline perturbations
Spurious pulse at 115 ns +6% with duration ≤ 20 ns, +30% for pulse duration = 100 ns

1 Parameters listed are for positive polarity pulse. Negative polarity pulse amplitude is typically 1 dB less and the rise times and fall times are typically 75 ps slower.

Trigger and timing

The performance parameters listed in this table are typical values; parameters are guaranteed only when maximum and/or minimum limits are given.

Parameter Value
Adjustable delay 0 to 100 ns
Adjustable delay jitter, RMS ≤35 ps
Fixed trigger delay 115 ns
Fixed trigger delay jitter, RMS ≤12 ps
Repetition rate 1 Hz to 100 kHz continuously adjustable
External trigger input level TTL pulse required, level > 1.5 V, + slope, > 10 ns duration
External trigger impedance 430 Ω
Trigger output into 50 Ω 0.8 V
Trigger in/out delay 200 ns
General specifications
Parameter Description
Accessories included Power cord, front handles, rack mount kit, instruction manual
Front panel controls Power, repetition rate range, rep. rate vernier, delay, duration, polarity, and attenuation
Power supply (mains) 100, 115, or 230 VAC, ±10% switch selectable, 50 or 60 Hz
Power consumption 42 VA (60 Hz), 65 VA (50 Hz)
Operating environment
    Temperature 40 °C (104 °F); low limit of 0 °C (32 °F)
    Humidity 80% for temperatures up to 31 °C (88 °F), decreasing linearly to 50% at 40 °C (104 °F)
    Elevation 2000 m (6562 ft.)
Dimensions 17 x 13 x 3.25 in. (43.2 x 33.0 x 8.3 cm)
Weight 15 lbs (6.8 kg)
Connectors SMA output, BNC for trigger in and trigger output
Warranty One year
Last Modified:

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