Phase switching circuit

Details Phase switching circuit Phase switching circuit

1975-04-25

1977-01-11

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307232, 307249, 307295, 307247R, 307303, H03K 1760, H03K 3286

Patent

active

040029301

ABSTRACT:
A phase switching circuit utilizing a novel bidirectional transistor having a signal applied to its base and a flip-flop circuit arrangement coupled to its output terminals which may be referred to as either collector or emitter depending upon the operation state of the circuit. The flip-flop circuit has a pair of transistors which act as switches and which are respectively coupled in series with the output terminals of the bidirectional transistor. When each of the flip-flop transistors is conducting, a power supply signal is conducted in opposite directions through the bidirectional transistor depending upon which of the transistors is in the on and which is in the off state. Essentially, the switching action of the flip-flop circuit converts the operation of the bidirectional transistor between emitter follower and collector follower configurations, hence the output signal is shifted from a signal which is in phase with the input signal to a signal which is out of phase with that input signal.

REFERENCES:
patent: 2991375 (1961-07-01), Abraham et al.
patent: 3348145 (1967-10-01), Erath
patent: 3534156 (1970-10-01), Henze
patent: 3794754 (1974-02-01), Haferl

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