Static relay for low DC voltages

Details Static relay for low DC voltages Static relay for low DC voltages

1985-05-08

1987-12-29

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307248, 307254, 307573, 340650, 340652, H03K 1708, H03K 1704

Patent

active

047163097

ABSTRACT:
A static relay for low DC voltages includes output transistor (T.sub.s) with its emitter connected to an output terminal supplying a load (Z) further connected to a common supply terminal. The base of the output transistion (T.sub.s) is supplied via the main current path of a current injection transistor (T.sub.i) acted upon via a control electrode. The current injection transistor (T.sub.i) is supplied with an auxiliary voltage (V.sub.aux) which is higher than the voltage (V.sub.bat) feeding the output transistor (T.sub.s). A detection transistor (T.sub.c) has its emitter-base path, which includes a base resistor (R.sub.b), connected parallel to the base-emitter path of the output transistor (T.sub.s) and delivers at its collector a detection signal representative of the state of the load (Z).

REFERENCES:
patent: 4286175 (1981-08-01), Baker
patent: 4604535 (1986-08-01), Sasayama et al.
patent: 4609832 (1986-09-01), Mehl

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