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3B4: Difference between revisions
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==Internals== | ==Internals== | ||
Triggering is done with a [[TD3A]] 4.7 mA tunnel diode. | Triggering is done with a [[TD3A]]/1N3717 4.7 mA tunnel diode. | ||
The trigger input is amplified and buffered by a [[6DJ8]]-based differential amplifier driving a common-emitter | The trigger input is amplified and buffered by a [[6DJ8]]-based differential amplifier driving a common-emitter | ||
[[2N964]] germanium PNP transistor whose collector current switches the tunnel diode. | [[2N964]] germanium PNP transistor whose collector current switches the tunnel diode. | ||