Variable high-voltage generating circuit

Details Variable high-voltage generating circuit Variable high-voltage generating circuit

1989-08-11

1991-02-12

Stephan, Steven L.

Electric power conversion systems

Current conversion

With voltage multiplication means

307110, 250214AG, 323293, H02M 726

Patent

active

049929224

ABSTRACT:
In a variable high-voltage generating circuit for an avalanche photodiode, a pulse oscillating circuit generates pulses, a current driving circuit current-amplifies the pulses, a Cockcroft-Walton circuit boosts and rectifies the pulses from the current driving circuit, and a low-pass filter is connected at the output of the Cockcroft-Walton circuit. The avalanche photodiode is connected in series with a first resistor, and the series connection is connected to receive the output of the low-pass filter. A series connection of a transistor and a second resistor is connected in parallel with the series connection of the avalanche diode and the first resistor. A control circuit applies a variable signal to the base of the transistor, thereby to vary the voltage applied across the APD.

REFERENCES:
patent: 3869659 (1975-03-01), Doong et al.
patent: 3911292 (1975-10-01), Petrick et al.
patent: 4028596 (1977-06-01), Weber
patent: 4092712 (1978-05-01), Harrigill, Jr. et al.
patent: 4236199 (1980-11-01), Stewart
patent: 4495410 (1985-01-01), Minami et al.
Manfred Martens, "Eisenloser Spannungswandler", Radio Fernsenen Elektronix, 34, No. 4, (Apr. 1985), Ost-Berlin, DDR, pp. 263-264.
P. E. K. Donaldson, "The Mosmarx Voltage Multiplier," Electronics & Wireless World, vol. 94, No. 1630, (Aug., 1988), pp. 748-750.
"A High Voltage Power Supply for Optical Detector", Takahashi et al., Showa 61-nen Denshi Tsushin Gakkai Sogo Zenkoku Taikai Koen Ronbunshu (1986 General Meeting of the Institute of Electronics and Communication Engineers of Japan), Mar. 5th, 1986, paper No. 2485.

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