Solid state nuclear radiation detector circuit with constant sen

Details Solid state nuclear radiation detector circuit with constant sen Solid state nuclear radiation detector circuit with constant sen

1984-02-06

1985-07-02

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

250390, G01T 124

Patent

active

045270635

ABSTRACT:
This circuit comprises a solid state crystal radiation counter having its plified output connected in parallel to a pair of pulse height discriminators with thresholds of V.sub.1 and 2V.sub.1 volts, wherein V.sub.1 is above the counter noise level. A pair of pulse counters are arranged to count the outputs of the discriminators and a processor circuit is connected to the pulse counter outputs and is arranged to calculate the quotient of the square of the output of the pulse counter connected to the discriminator with the lower threshold and the output of the other pulse counter. A display circuit is arranged to provide a reading related to the output of the processor circuit.

REFERENCES:
patent: 3872287 (1975-03-01), Koeman
patent: 4217496 (1980-08-01), Daniels et al.
patent: 4217497 (1980-08-01), Daniels et al.
patent: 4445036 (1984-04-01), Selph
patent: 4489315 (1984-12-01), Falk et al.

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