Current sense amplifier

Details Current sense amplifier Current sense amplifier

2007-08-28

2007-08-28

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S054000

Reexamination Certificate

active

10989274

ABSTRACT:
A current sense amplifier includes a pair of cross-coupled transistors, each transistor being connected between a respective input signal line and a respective output signal generating node, for amplifying voltage difference between the output signal generating nodes. Additionally, the current sense amplifier may include a constant current circuit connected between the output signal generating nodes and a common node for allowing current to flow between the common node and the output signal generating nodes in response to a bias voltage; and a voltage generating circuit for causing a voltage difference between the output signal generating nodes by being turned on in response to a respective output signal.

REFERENCES:
patent: 5668495 (1997-09-01), Vora et al.
patent: 6411559 (2002-06-01), Yokozeki
patent: 6483353 (2002-11-01), Kim et al.
patent: 6836155 (2004-12-01), Shim

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