Linear digital frequency sweep synthesizer

Details Linear digital frequency sweep synthesizer Linear digital frequency sweep synthesizer

1988-10-05

1990-02-27

LaRoche, Eugene R.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Search sweep of oscillator

331 25, H03L 700

Patent

active

049049569

ABSTRACT:
A linear digital frequency sweep synthesizer employs an up-down counter for producing a first signal having a plurality of pulses with time interval between pulses linearly increasing with time and a phase lock loop for producing a second signal having a plurality of pulses having a frequency sweep linearized to the linearly increasing time intervals of such first signal.

REFERENCES:
patent: 4328567 (1982-05-01), Dodge
patent: 4336511 (1982-06-01), Stromswold et al.
patent: 4383308 (1983-05-01), Caldwell
patent: 4450540 (1984-05-01), Mallett
patent: 4649525 (1987-03-01), Angona et al.
patent: 4718046 (1988-01-01), Medlin

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