Circuit for performing the EXCLUSIVE-OR function

Details Circuit for performing the EXCLUSIVE-OR function Circuit for performing the EXCLUSIVE-OR function

1988-01-06

1989-09-26

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307448, 307451, H03K 19017, H03K 19094, H03K 1921

Patent

active

048703052

ABSTRACT:
A circuit for performing the EXCLUSIVE-OR function of a signal A and a signal B comprises field effect transistors of the MESFET type normally cut off in the absence of a gate-source signal. The circuit also comprises loads and is integrated on a semiconductor substrate of the group III-V. A signal A which is complementary to the signal A is also applied to this circuit. The circuit is formed by a field effect transistor T'.sub.1 whose gate is controlled by the signal B, whose drain receives the signal A via a load R'.sub.1, and whose source receives the signal A which is complementary to the signal A. The signal representing the EXCLUSIVE-OR function (A.sym.B) is available at the junction of the drain of the transistor T'.sub.1 and the load R'.sub.1 and constitutes the output S.sub.1 of the gate.

REFERENCES:
patent: 4620117 (1986-10-01), Fang
I.B.M. Tech. Disc. Bul., 3/78, Balasubramanian et al.
D. Meignant et al., A 0.1-4.5 GHz, 29 mW GaAs Prescaler Operating at 125.degree. C., 1986 IEEE Gallium-Arsenide Integrated Circuit Symposium, Grenelefe, Fla., Oct. 28-30, 1986.

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