Electronic Circuits and Tutorials
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Electronics Schematics - S
Smoke Detecting Circuits - Sensors and Detectors
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.