Voltage controlled crystal oscillator having wide frequency rang

Oscillators – Solid state active element oscillator – Transistors

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331158, 331177V, H03B 532

Patent

active

044841574

ABSTRACT:
To extend the variation range of a controlled frequency oscillator comprising a piezoelectric element, a lithium tantalate or lithium niobate element is used in parallel with which there is connected a linearization circuit comprising an inductance in series with a parallel circuit comprising a resistor and a capacitor.

REFERENCES:
patent: 3302138 (1967-01-01), Brown et al.
patent: 3845410 (1974-10-01), Steel
patent: 3916344 (1975-10-01), Enderby
patent: 3958190 (1976-05-01), Minch
patent: 4063194 (1977-12-01), Helle
patent: 4104599 (1978-08-01), Tagawa
patent: 4134085 (1979-01-01), Driscoll et al.
Otala, M. "Distortion and its Compensation in a Varactor-controlled Frequency Modulator" Proceedings of IEEE, v. 117, N. 2, pp. 338-342, Feb. 1970.

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