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4S1: Difference between revisions
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A short piece of RG/174 coax connects the 661 timing pulse coaxial connector to the | A short piece of RG/174 coax connects the 661 timing pulse coaxial connector to the | ||
[[Connectors#SMB|SMB]] timing pulse input on the 4S1 sampler board. This signal triggers | [[Connectors#SMB|SMB]] timing pulse input on the 4S1 sampler board. This signal triggers | ||
a blocking oscillator which drives a snap-off diode, D2004, which generates the fast | a blocking oscillator which drives a [[snap-off diode]], D2004, which generates the fast | ||
falling edge for the channel A and channel B sampling bridges. The 4S1 uses [[7586]] | falling edge for the channel A and channel B sampling bridges. The 4S1 uses [[7586]] | ||
triodes as high-impedance buffers between the sampling bridge and the amplification that | triodes as high-impedance buffers between the sampling bridge and the amplification that | ||