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11B1: Difference between revisions
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{{Plugin Sidebar | |||
|manufacturer=Tektronix | |||
|series=647 | |||
|type=11B1 | |||
|summary=50 MHz single timebase | |||
|image=Tek 11b1 front.jpg | |||
|caption=Tektronix 11B1 | |||
|introduced=1964 | |||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [[Media:070-0424-01.pdf|Tektronix 11B1 Manual]] | |||
* [[Media:Tek 11b1 irb.pdf|Tektronix 11B1 Instrument Reference Book]] | |||
}} | |||
The '''Tektronix 11B1''' is a single time-base plug-in for the [[647]] and [[647A]], specified to trigger at frequencies up to 50 MHz. | The '''Tektronix 11B1''' is a single time-base plug-in for the [[647]] and [[647A]], specified to trigger at frequencies up to 50 MHz. | ||
It was [[introduced in 1964]]. | It was [[introduced in 1964]]. | ||
{{MissingSpecs}} | |||
==Internals == | |||
The 11B1 uses a [[7586]] triode to buffer the vertical signal at the input, and then a differential pair of NPN transistors that form a clipping amplifier. | The 11B1 uses a [[7586]] triode to buffer the vertical signal at the input, and then a differential pair of NPN transistors that form a clipping amplifier. | ||
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The trigger detection is done by a Tek part number 152-125 tunnel diode, which is a selected [[TD3A]]. | The trigger detection is done by a Tek part number 152-125 tunnel diode, which is a selected [[TD3A]]. | ||
==Pictures== | |||
<gallery> | <gallery> | ||
Tek 11b1 front.jpg | Tek 11b1 front.jpg | ||
Tek 11b1 right internal.jpg | Tek 11b1 right internal.jpg | ||
</gallery> | </gallery> | ||
==Components== | |||
{{Parts|11B1}} | |||
[[Category:647 plugins]] | |||