Oscillators – Solid state active element oscillator – Transistors
Patent
1980-12-03
1983-05-31
Grimm, Siegfried H.
Oscillators
Solid state active element oscillator
Transistors
331117R, 357 51, H03B 512
Patent
active
043863272
ABSTRACT:
An integrated circuit oscillator which includes an oscillator with an oscillation transistor being formed in a semiconductor substrate for oscillating and providing an output signal, a first junction capacitor connected between a power supply line and the emitter of the oscillation transistor, a second junction capacitor connected between the emitter and the base of the oscillation transistor, and a resonance circuit connected between the base of oscillation transistor and the power supply line. The first and second junction capacitors are formed in the semiconductor substrate such that the second junction capacitor is formed on the first junction capacitor in the form of a transistor structure.
REFERENCES:
patent: 3323513 (1967-06-01), Gnadke
patent: 3519891 (1970-07-01), Leinkram
patent: 3544862 (1970-12-01), Gallagher et al.
patent: 3865648 (1975-02-01), Castrucci et al.
Kasuga, "FM Stereo Tuner", Nippon Hoso Shuppan Kyokai, Apr. 20, 1960, p. 94.
Lesk, "Material-Interface Problems in Integrated Circuitry", Transactions of the Metallurgical Society of AIME, vol. 233, Mar. 1965, pp. 578-587.
Grimm Siegfried H.
Tokyo Shibaura Denki Kabushiki Kaisha
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