Comparator, sample-and-hold circuit, differential amplifier,...

Details Comparator, sample-and-hold circuit, differential amplifier,... Comparator, sample-and-hold circuit, differential amplifier,...

2007-05-08

2007-05-08

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S081000, C327S091000, C327S093000

Reexamination Certificate

active

10818776

ABSTRACT:
A comparator includes a sampling capacitor, a first switching unit which is connected to an input end of the sampling capacitor and which applies an input signal to the input end of the sampling capacitor, a second switching unit which is connected to the input end of the sampling capacitor and which applies a reference signal to the input end of the sampling capacitor, an output transistor connected to an output end of the sampling capacitor in a source follower connection manner or an emitter follower connection manner, and a third switching unit which is connected to an output end of the sampling capacitor and which maintains maintaining a voltage at the output end of the sampling capacitor to be constant. The input signal is compared with the reference signal.

REFERENCES:
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patent: 6608503 (2003-08-01), Shenai et al.

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