4S2 Pulser: Difference between revisions
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* [[Media:Tek 4s2 pulser.pdf|Tektronix 4S2 Pulser Description (PDF, needs OCR)]] | * [[Media:Tek 4s2 pulser.pdf|Tektronix 4S2 Pulser Description (PDF, needs OCR)]] | ||
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[[Category:Calibration fixtures]] | [[Category:Calibration fixtures]] | ||
[[Category:Pulse generators]] | [[Category:Pulse generators]] | ||
Revision as of 04:01, 19 December 2019
The Tektronix 4S2 Pulser is a portable fixture used for field texting 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.
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