Voltage boosting detector circuit

Details Voltage boosting detector circuit Voltage boosting detector circuit

1975-10-30

1976-08-03

Shoop, William M.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307110, 324119, H02M 700

Patent

active

039731804

ABSTRACT:
Two cascaded capacitors, one in series and the other in shunt with a load, are connected across a source of amplitude-modulated oscillations with interposition of a small resistance, preferably the forward resistance of a series diode. The junction (A) of that resistance with the series capacitor is connected to the emitter of a transistor whose collector is energized with a high driving voltage (positive in the case of an NPN transistor) and whose base is tied to a tap on a voltage divider inserted between that collector and the opposite, usually grounded source terminal. The section of the voltage divider between the base and ground may consist of the forward resistance of a single diode, designed to balance the base/emitter threshold of the transistor whereby the aforementioned junction (A) is at ground potential when the source voltage peaks with a polarity opposite that of the collector potential. A biasing battery may be inserted between the voltage divider and ground to provide a voltage pedestal of the same polarity as the collector potential.

REFERENCES:
patent: 3478258 (1969-11-01), Nagai
patent: 3723850 (1973-03-01), Daniels et al.
patent: 3772583 (1973-11-01), Sahara et al.
RCA Technical Notes, RCA Tn No. 241, "Voltage Reducing Rectifier Circuits", Winfield R. Voch, Jan. 5, 1959.

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