7S12

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Tektronix 7S12
Time Domain Reflectometer / Sampler
Tektronix 7S12 TDR/Sampler with S-6 and S-52 heads

Compatible with 7000-series scopes

Produced from 1971 to 1989

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 7S12 is a Time Domain Reflectometer / Sampler plug-in for 7000-series scopes. It occupies two mainframe plug-in bays (one vertical, one horizontal).

The 7S12 has two bays for S-series plug-in modules ("heads"). The right bay accepts a pulse generator or a trigger recognizer plug-in, whereas the left bay accepts a sampling plug-in.

The typical configuration is to have an S-6 on the left and an S-52 on the right for time domain reflectometry, or a sampling head like the S-4 on the left and an S-53 on the right as a generic sampler.

The 7S12 can also control an optional 7S11 through its left side contacts, adding a second input channel.

Y axis can be scaled in voltage (mV) or distance (ρ) units, X axis in time or distance.

Specifications

Sweep modes Single / Repetitive / Manual / External input
With S-6 and S-52
  • Pulse: 200 mV into 50 Ω
  • Rise time: < 35 ps for incident step, < 45 ps for displayed reflection
  • Jitter: < 10 ps
Sweep modes
  • free-running
  • single
  • manual
  • external input
Weight 2.13 kg (4.7 lbs)

Links

Pictures

Inside

Measurements

TDR

Probe rise times

As a generic sampler

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