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S-2

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Tektronix S-2
Sampling Head
S-2 head

Compatible with 3S2, 3S5, 3S6, 7S11, 7S12 Sampling Plugins

Produced from 1967 to 1989

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix S-2 Sampling Head plug-in provides a single GR-874 50 Ω input with a 75 ps risetime.

The S-2 can be used in the 7000 series and 3S series of sampling plug-ins. It provides an internal trigger pickoff signal for internal triggering. Noise is specified as less than 10 mV.

When the S-2 was first introduced, the rise-time specification was 50 ps, but that was not achieved in practice, so the rise-time specification was revised to be 75 ps.

The interface between the GR-874 connector and the printed circuit board is described in US Patent 3,426,311.

Specifications

Rise time 75 ps
Bandwidth 4.66 GHz eq.
Input voltage −1 to +1 V (max. −5 to +5)

Repair issues

The input should always be terminated when not in use because the sampling diodes are easily damaged by excessive inputs or static discharge. See that article for possible replacements.

Pictures