S-2
Template:Plugin Sidebar 2 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.
Key Specifications
| Rise time | 75 ps |
|---|---|
| Bandwidth | 4.66 GHz eq. |
| Input voltage | −1 to +1 V (max. −5 to +5) |
Pictures
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early S-2 with tr ≤ 50ps on front
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early S-2 with overstickered tr ≤ 50ps
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S-52 and S-2 give 76 ps rise-time together
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schematic
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S-2 interior, strobe board side
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S-2 interior, amplifier board side
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Sampling diodes in place
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Input termination resistor
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Sampler board, right
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Sampler board, left
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Diode holder slides out
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Sampler board underside
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S-2 with amplifier board removed
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Strobe board underside
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S-2 with strobe board removed
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S-2 pulse response
