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Smoke Detectors & Sensors
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Circuit forms gamma photon detector: 04/24/03
EDN-Design Ideas / The circuit of Figure 1 includes
a PIN photodiode that detects individual photons of
gamma radiation. The reverse bias on the photodiode
sometimes creates a depletion region. When such a
photon strikes this depletion region, a small amount
of charge develops. This charge is proportional to
the photon's energy... |
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