High speed low power amplifier circuit

Details High speed low power amplifier circuit High speed low power amplifier circuit

1997-10-20

1999-08-10

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 52, 327 57, G11C 706

Patent

active

059364327

ABSTRACT:
An amplifier circuit that maintains high speed and reduces power consumption while operating with reduced voltages is disclosed. Broadly, the amplifier circuit of the present invention includes a set-up circuit that performs a level shift on the input signal and applies it to the inputs of a sense amplifier in a cross-coupled fashion. The circuit operates such that one leg of the precharged sense amplifier output discharges in response to the input without a counteracting charging action by the other leg of the sense amplifier output. The amplifier circuit thus operates at higher speed and with no crowbar current even with input signals of smaller magnitude.

REFERENCES:
patent: 5057718 (1991-10-01), Proebsting
patent: 5457657 (1995-10-01), Suh
patent: 5546026 (1996-08-01), Lin et al.
patent: 5654928 (1997-08-01), Lee et al.

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