Published:2009/7/19 22:16:00 Author:Jessie | From:SeekIC
Change in conductivity of single-crystal photocell under irradiation is converted to pulse-code modulation by neon glow-tube relaxation oscillator whose Firing rate is determined by charging of C1 through photocell. Saturating bootstrap amplifier Q2 inverts and shapes pulses to drive accumulation register-J. W. Freeman, Energy Detector for Satellites, Electronics, 35:4, p 42-43.
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