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[[2N2207]] germanium PNP transistors. The collector current switches the tunnel diode when | [[2N2207]] germanium PNP transistors. The collector current switches the tunnel diode when | ||
a triggering event occurs. The 3B3 uses Transitron T12G germanium diodes, which are equivalent to | a triggering event occurs. The 3B3 uses Transitron T12G germanium diodes, which are equivalent to | ||
the 1N270. | the [[1N270]]. | ||
* [http://bama.edebris.com/download/tek/3b3/3b3.djvu Tektronix 3B3 Manual (DjVu)] | * [http://bama.edebris.com/download/tek/3b3/3b3.djvu Tektronix 3B3 Manual (DjVu)] |