Frequency prepositioning for an indirect frequency synthesizer

Details Frequency prepositioning for an indirect frequency synthesizer Frequency prepositioning for an indirect frequency synthesizer

1984-02-22

1985-04-16

Westin, Edward P.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural a.f.s. for a single oscillator

331 17, 331 25, H03L 718

Patent

active

045118582

ABSTRACT:
A frequency prepositioning device for an indirect frequency synthesizer having switchable loops comprises an oscillator controlled by a voltage V.sub.N and at least one programmable prepositioning voltage generator. The device essentially comprises a memory device for storing the values of the prepositioning voltage at each transition to each frequency, thus making the device self-adaptive and capable of self-testing.

REFERENCES:
patent: 4103250 (1978-07-01), Jackson
patent: 4123724 (1978-10-01), Das et al.
patent: 4251779 (1981-02-01), Kellogg et al.

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