Interrupter arrangement for high-frequency signals

Details Interrupter arrangement for high-frequency signals Interrupter arrangement for high-frequency signals

1988-07-19

1989-11-21

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307258, 307300, 307542, 307544, 307545, 328 8, 328169, 361 86, 361 91, H03K 1774, H03K 508, H03B 104, H02H 720

Patent

active

048825042

ABSTRACT:
A PIN diode is in series in a high-frequency signal path between an input and an output, and is controllably biased either on or off by a control signal supplied thereto from the output of a control circuit in response to a command voltage. The control circuit derives the control signal from a positive voltage source when the diode is to be turned on and from a negative voltage source when the diode is to be turned off. The negative voltage must be a relatively high value, which can cause excessive power dissipation in the control circuit due to charging of the bypass capacitance present at the output terminal thereof for shunting high frequencies. To prevent that, the control circuit includes an overvoltage circuit which produces a short duration trigger pulse in response to change-over from the positive voltage source to the negative voltage source and which supplies a current pulse of brief duration for charging the bypass capacitance.

REFERENCES:
patent: 3813561 (1974-05-01), Williams et al.
patent: 3912949 (1975-10-01), Kalisvaart
patent: 4689498 (1987-08-01), Rinderle

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