Integrated horizontal oscillator employing an on-chip capacitor

Details Integrated horizontal oscillator employing an on-chip capacitor Integrated horizontal oscillator employing an on-chip capacitor

1980-12-29

1983-02-15

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331108C, 358159, H03K 450

Patent

active

043743668

ABSTRACT:
A horizontal oscillator for a television receiver includes an on chip nitride capacitor. The circuit includes a reference current amplifier which generates a low temperature coefficient reference current. By varying the gain of a current mirror circuit, the reference current is split to produce a small charge/discharge current. A resistive bias chain and first and second capacitors are employed to fix the upper and lower peak voltages of the oscillator output ramp signal.

REFERENCES:
patent: 4035744 (1977-07-01), Fukaya et al.
patent: 4155049 (1979-05-01), Kitazawa et al.
patent: 4292605 (1981-09-01), Rodgers

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