Oscillators – Solid state active element oscillator – Transistors
Patent
1990-07-30
1991-07-23
Grimm, Siegfried H.
Oscillators
Solid state active element oscillator
Transistors
331 34, 331168, 331177R, H03B 512
Patent
active
050347063
ABSTRACT:
A voltage-controlled variable oscillator, in particular for phase-lock loops, comprising a differential stage formed by a pair of transistors and collectors whereof define the output terminals between which an external resonating circuit is connected, a voltage generator which is connected between the two output terminals and is suitable for generating a voltage which is proportional to the terminal voltage which exists across the resonating circuit, and a pair of capacitors connected between a respective output terminal and the voltage source.
REFERENCES:
patent: 3963996 (1976-06-01), Skerlos
Betti Giorgio
Zuffada Maurizio
Grimm Siegfried H.
Josif Albert
Modiano Guido
SGS - Thomson Microelectronics, S.r.l.
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