Oscillators – Automatic frequency stabilization using a phase or frequency... – Particular frequency control means
Patent
1981-03-31
1982-10-05
Grimm, Siegfried H.
Oscillators
Automatic frequency stabilization using a phase or frequency...
Particular frequency control means
331 25, 331117D, 331177V, 331179, 332 16T, 332 30V, H03B 512, H03B 518, H03C 322, H03L 716
Patent
active
043530389
ABSTRACT:
An exceptionally wideband, synthesizer controlled voltage controlled oscillator is disclosed which is characterized by a plurality of pin diode frequency shift networks which, when actuated shifts the frequency of the oscillator in selectable binary steps within a wide frequency range in the order of 48 MHz. Special means are included to prevent undesireable parasitic oscillation modes when such frequency shift networks are in an inactuated, switched off mode. A multiple varactor tuning circuit is provided for selecting a precise frequency within a relatively narrow frequency band on the order of 6 MHz.
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Gehrke James K.
Goedken Terrance J.
Rose Richard A.
Vilmur Roger
Gillman James W.
Grimm Siegfried H.
Motorola Inc.
Roney Edward M.
Southard Donald B.
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