High-speed differential amplifier

Details High-speed differential amplifier High-speed differential amplifier

1991-11-27

1993-03-09

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307279, 307530, H03K 524, H03K 3356

Patent

active

051928787

ABSTRACT:
A differential amplifier compares a potential difference between a first input (A.sub.in) and a second input (V.sub.r) and provides complementary output signals (A, A). The differential amplifier comprises a flip-flop (20) having nodes (N1, N2) and nodes (N3, N4) and a fixing means composed of N-channel FETs (33, 34) having drains connected to the nodes (N3, N4) of the flip-flop circuit (20) and sources connected to a second potential (V.sub.SS) and inverters (31, 32) having inputs to which output signals (A, A) are applied and outputs connected to gates of the N-channel FETs (33, 34). The fixing means detects a potential drop of the output signals (A, A) and fixing the nodes (N3, N4) connected to the nodes (N1, N2) to the second potential (V.sub.SS).

REFERENCES:
patent: 4494020 (1985-01-01), Konishi
patent: 4843264 (1989-06-01), Galbraith
patent: 4845675 (1989-07-01), Krenik et al.
patent: 4910713 (1990-03-01), Madden et al.
patent: 4973864 (1990-11-01), Nogami
F. J. Towler, "Low Input Capacitance Sense Amplifier" IBM TDB, vol. 26, No. 7A, Dec. 1983, pp. 3124-3125.

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