Signal detecting circuit

Details Signal detecting circuit Signal detecting circuit

1997-11-13

2000-04-04

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

External effect

327478, 327514, 340561, 340562, 340620, 324682, 324675, G01N 2722

Patent

active

060466235

ABSTRACT:
Between a reference voltage point and the emitter or the source of a transistor of which the collector or the drain is connected to a power source and to which an signal is input at its base or its gate, DC current passing means for causing a current to flow from the emitter or the source to the reference voltage point and a capacitor connected to the reference voltage point at one end and charged with a voltage generated in the DC current passing means are provided. A detection output for the signal is obtained from the emitter or the source of the transistor, or the other end of the capacitor.

REFERENCES:
patent: 4373139 (1983-02-01), Beesley
patent: 4445054 (1984-04-01), Ishii
patent: 4573042 (1986-02-01), Boyd et al.
patent: 5150062 (1992-09-01), Takeuchi
patent: 5239284 (1993-08-01), Hara et al.
patent: 5479122 (1995-12-01), Park

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