25ps Push-Pull Pulse Generator: Difference between revisions
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One pulse generator head is a standard [[S-52]], generating rising edge pulses. | One pulse generator head is a standard [[S-52]], generating rising edge pulses. | ||
The other pulse generator head is a specially modified S-52 that produces negative edge pulses. | The other pulse generator head is a specially modified S-52 that produces negative edge pulses. | ||
The output tunnel diode that it uses is a General Electric SMTD-993, same as the 153-0040-00 used in the | |||
regular S-52, but mounted upside-down. | |||
The 25 ps Push-Pull Pulse Generator (and its special negative pulse S-52) were for internal purposes, | The 25 ps Push-Pull Pulse Generator (and its special negative pulse S-52) were for internal purposes, | ||
not for sale outside of Tektronix. | not for sale outside of Tektronix. | ||
A total of twenty-six were made. | |||
This pulse generator was first used to test the rise time of the [[M84]]. | This pulse generator was first used to test the rise time of the [[M84]]. | ||
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The 25ps Push-Pull Pulse Generator provides two independently isolated | The 25ps Push-Pull Pulse Generator provides two independently isolated | ||
transformer-coupled pretrigger pulse outputs via rear-panel BNC connectors. | transformer-coupled pretrigger pulse outputs via rear-panel BNC connectors. | ||
The PPPG uses the [[260-0834-00]] DPDT switch, which is a maintenance issue. | |||
==Manual== | ==Manual== | ||
* [[Media:25ps push-pull pulse generator.pdf|25ps Push Pull Pulse Generator Manual (PDF)]] | * [[Media:25ps push-pull pulse generator.pdf|25ps Push Pull Pulse Generator Manual (PDF)]] | ||
==See Also== | |||
* [[284-based PPPG]] | |||
==Photos== | ==Photos== | ||
Latest revision as of 19:09, 7 June 2024
The 25 ps Push-Pull Pulse Generator (PPPG) produces simultaneous rising and falling edge pulses. One pulse generator head is a standard S-52, generating rising edge pulses. The other pulse generator head is a specially modified S-52 that produces negative edge pulses. The output tunnel diode that it uses is a General Electric SMTD-993, same as the 153-0040-00 used in the regular S-52, but mounted upside-down.
The 25 ps Push-Pull Pulse Generator (and its special negative pulse S-52) were for internal purposes, not for sale outside of Tektronix. A total of twenty-six were made.
This pulse generator was first used to test the rise time of the M84.
The 25ps Push-Pull Pulse Generator provides two independently isolated transformer-coupled pretrigger pulse outputs via rear-panel BNC connectors.
The PPPG uses the 260-0834-00 DPDT switch, which is a maintenance issue.
Manual
See Also
Photos
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Dual-trace showing both outputs. Timebase is externally triggered by PPPG trigger output. Displayed risetime is limited by 7704A mainframe.
