Oscillators – Automatic frequency stabilization using a phase or frequency... – Particular frequency control means
Patent
1995-05-04
1997-01-21
Grimm, Siegfried H.
Oscillators
Automatic frequency stabilization using a phase or frequency...
Particular frequency control means
331116FE, 331135, 331158, 331177R, 331177V, H03B 532, H03L 7099
Patent
active
055963013
ABSTRACT:
The output frequency (14) of an oscillator circuit (10) can be controlled by replacing at least one of the reactive components (40), such as a capacitor or inductor, with a synthesized element (22). The synthesized element creates a signal that corresponds to the response of the reactive component it is replacing. The synthesized element may be a current source (44), such as a field effect transistor, that is capable of operating at low voltages.
REFERENCES:
patent: 3614649 (1971-10-01), Gerig
patent: 4234858 (1980-11-01), Gomi
patent: 4583059 (1986-04-01), Konno
patent: 4916412 (1990-04-01), Nordholt et al.
patent: 5030926 (1991-07-01), Walden
patent: 5347238 (1994-09-01), Kobayashi
Cave Michael D.
Rybicki Mathew A.
Grimm Siegfried H.
Larson J. Gustav
Motorola Inc.
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