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Top trace trigger output, bottom trace + pulse output, pulse length set to 10ns. Note initial positive bump to trigger tunnel diode, then big negative spike 10ns later to switch it off. Traces photographed from Tek [[7904A]] with 2x [[7A19]] vertical plugins, [[7B92A]] timebase in B horizontal, and [[7D15]] timer in A horizontal. 7D15 is showing period of the pulses, just under 10 μs |
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