Integrated circuit including high transconductance voltage clamp

Details Integrated circuit including high transconductance voltage clamp Integrated circuit including high transconductance voltage clamp

1998-02-05

2000-02-22

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327309, H03K 508

Patent

active

060284668

ABSTRACT:
An IC includes a clamp transistor for limiting the voltage at a circuit node and a current amplifier coupled across the input and output terminals of the clamp transistor. In one embodiment the current amplifier comprises a current mirror. In a differential line driver, the direction of current through a load is controlled by means of pair of dual-function transistors which also serve to provide current gain in separate current mirrors.

REFERENCES:
patent: 4849708 (1989-07-01), Brehmer et al.
patent: 5491437 (1996-02-01), Rincon et al.
patent: 5563553 (1996-10-01), Jackson
patent: 5625281 (1997-04-01), Lambert
P. E. Allen et al., CMOS Analog Circuit Design, Saunders College Publishing, pp. 227-239 (1987).
N. Mohan et al., Power Electronics: Converters, Applications and Design, John Wiley & Sons, pp. 296-297 (1989).

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