Wideband relaxation oscillator utilizing parasitic capacitances

Details Wideband relaxation oscillator utilizing parasitic capacitances Wideband relaxation oscillator utilizing parasitic capacitances

1988-02-16

1990-11-20

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331113R, 331143, H03K 3354

Patent

active

049721623

ABSTRACT:
A high-frequency wideband relaxation oscillator utilizing parasitic capacitances of the switching transistors as charging capacitors and capable of being fabricated in both CMOS and NMOS technology. When fabricated in NMOS technology the switching transistors are implemented as charge-enhancement devices and additional charge-depletion devices are utilized to counteract detrimental parasitic capacitances.

REFERENCES:
patent: 3559098 (1971-01-01), Chandos
patent: 3693112 (1972-09-01), Briggs
patent: 4623851 (1986-11-01), Abou
patent: 4623852 (1986-11-01), Abou et al.
Grebene, A. B., Bipolar and MOS Analog Integrated Circuit Design, J. Wiley Sons, 1984, Chapter 11.

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