11B1: Difference between revisions

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[[Category:Introduced in 1964]]
[[Category:Introduced in 1964]]
[[Category:647 plugins]]
[[Category:647 plugins]]
<gallery>
Tek 11b1 front.jpg
Tek 11b1 right internal.jpg
</gallery>

Revision as of 14:41, 27 November 2016

The Tektronix 11B1 is a single time-base plug-in for the 647 and 647A, specified to trigger at frequencies up to 50MHz. It was introduced in 1964. 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 trigger detection is done by a Tek part number 152-125 tunnel diode, which is a selected TD3A.