Automatically stabilized latched differential comparator with si

Details Automatically stabilized latched differential comparator with si Automatically stabilized latched differential comparator with si

1988-11-23

1990-12-04

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307279, 307530, H03K 3356, H03K 524

Patent

active

049755960

ABSTRACT:
A differential comparator, working with microwaves and using only one clock, is disclosed. This comparator has a differential amplifier and a divergence circuit in which are included two voltage level translators. The coupling between the amplifier and the divergence circuit is made at the gates of the load transistors of the divergence circuit. Two insulation transistors, working in either saturated mode or resistive mode, are used to provide the amplifier with an automatic control loop which stabilizes all the rest voltages. The clock signal, applied to two transistors which short circuit the two feedback transistors of the divergence circuit, controls the passage from the measuring phase to the divergence phase.

REFERENCES:
patent: 3540007 (1970-11-01), Hodges
patent: 4027176 (1977-05-01), Heuber et al.
patent: 4150311 (1979-04-01), Matsuda et al.
patent: 4439694 (1984-03-01), Fox
patent: 4511810 (1985-04-01), Yukawa
patent: 4629911 (1986-12-01), Bebernes et al.
patent: 4717838 (1988-01-01), Brehmer et al.
patent: 4814648 (1989-03-01), Hynecek
IEEE Journal of Solid State Circuits, vol. SC-12, No. 5, Oct. 1977, pp. 497-501; T. R. O'Connel, et al.
IEEE 1983, International Symposium on Circuits and Systems, May 2-4, 1983, vol. 3, pp. 1286-1289; P. E. Allen, et al.

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