Sample and hold circuit

Details Sample and hold circuit Sample and hold circuit

1995-04-13

1996-05-14

Westin, Edward P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 91, 327311, 326 22, H03K 500

Patent

active

055171400

ABSTRACT:
A sample and hold circuit has an analog switch, a hold capacitor, a voltage-follower type operational amplifier, and a ringing cancel circuit. The ringing cancel circuit is interposed between a non-inverted input terminal of the operational amplifier and a signal ground so that the ringing cancel circuit is connected in parallel with the hold capacitor. The ringing cancel circuit is made up of a resistance and a capacitor connected in series with each other. With this arrangement, a high-speed, highly accurate, low power consumptive sample and hold circuit can be realized.

REFERENCES:
patent: 4302689 (1981-11-01), Brodie
patent: 4352070 (1982-09-01), Beauducel et al.
patent: 4695751 (1987-09-01), De La Plaza
patent: 5206543 (1993-04-01), Takita et al.
patent: 5327092 (1994-07-01), Inogai et al.

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