Depletion capacitance compensator

Details Depletion capacitance compensator Depletion capacitance compensator

1981-05-26

1982-11-23

Munson, Gene M.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307221D, 357 24, H03K 3353, G11C 1928, H01L 2978

Patent

active

043607454

ABSTRACT:
The capacitance of a compensating reverse biased diode is added to the capacitance of a pn junction formed by surface depletion and inversion in a charge coupled device having variations in depletion capacitance which are to be compensated. Because the compensating diode is connected in an opposite sense with respect to the pn junction, an increase in small signal variations in the potential across the pn junction causes a decrease in small signal variations in the potential across the compensating diode. The resulting change in the capacitance of the pn junction is accompanied by a corresponding opposite change in the capacitance of the compensating diode so that the combined capacitance of the two elements remains nearly constant during all small signal variations in potential.

REFERENCES:
patent: 3789267 (1974-01-01), Krambeck et al.
patent: 3819958 (1974-06-01), Gosney
patent: 3987475 (1976-10-01), Ibrahim
patent: 4035666 (1977-07-01), Collins et al.
patent: 4048525 (1977-09-01), Goldberg et al.
patent: 4090095 (1978-05-01), Herrmann
patent: 4240089 (1980-12-01), Engeler

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