4S2 Pulser: Difference between revisions
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==Links== | ==Links== | ||
* [[Media:Tek 4s2 pulser.pdf|Tektronix 4S2 Pulser Description ( | * [[Media:Tek 4s2 pulser.pdf|Tektronix 4S2 Pulser Description (OCR)]] | ||
{{MissingPics}} | {{MissingPics}} | ||
Latest revision as of 13:59, 10 March 2024
The Tektronix 4S2 Pulser is a portable fixture used for field testing of the 4S2 dual-channel sampling plug-in (for the 661 scope).
It is run off a pair of 22.5 V batteries. A 100 kHz oscillator built with a 2N964 transistor drives a 100 mA, 6 pF tunnel diode. The output signal is delayed by 30 ns through a length of RG-174 cable to allow for pre-triggering.
The 4S2 is supposed to display a rise time of no more than 105 ps using this pulser.
The 4S2 pulser is similar to a slightly later instrument, the 067-0513-00.
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Pictures
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