Compact comparator

Details Compact comparator Compact comparator

1997-01-27

1999-09-21

Le, Dinh

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 63, 327 67, 327544, 327 50, 327563, H03K 1716, H03K 522

Patent

active

059558997

ABSTRACT:
A compact electronic comparator circuit is featuring a single amplifier having two loads. The comparator is a symmetrical circuit having a pair of transistors to which positive and negative feedback loads are coupled so as to yield a constant infinite load. The comparator first amplifies the two input signals, and then operates as a regenerative latch in response to an external signal once the input signals have been sufficiently amplified. The comparator may be used in A/D converter and DRAM applications.

REFERENCES:
patent: 4814648 (1989-03-01), Hynecek
patent: 5274275 (1993-12-01), Colles

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