Controlling the amplification in a radiation detecting avalanche

Details Controlling the amplification in a radiation detecting avalanche Controlling the amplification in a radiation detecting avalanche

1975-05-21

1977-03-29

Smith, Alfred E.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

357 13, H01J 3912

Patent

active

040151182

ABSTRACT:
A method and circuit for controlling the amplification in a radiation-detecting avalanche diode in which the diode generates electrical signals dependent upon the received radiation. These electrical signals are fed to evaluating means and a control signal is derived from the diode having a frequency which differs from the frequency used in the evaluation means. The amplitude of the control signal is compared with a preset value and the supply voltage of the diode is varied in dependence upon this comparison for controlling amplification of the diode.

REFERENCES:
patent: 3415996 (1968-12-01), Grimmeiss
patent: 3452206 (1969-06-01), Biet et al.
patent: 3560755 (1971-02-01), Blaise
patent: 3571630 (1971-03-01), Widlar
patent: 3626188 (1971-12-01), Chilton

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