Oscillators – Automatic frequency stabilization using a phase or frequency... – With reference oscillator or source
Patent
1988-09-01
1990-04-03
LaRoche, Eugene R.
Oscillators
Automatic frequency stabilization using a phase or frequency...
With reference oscillator or source
331 19, H03L 700
Patent
active
049144057
ABSTRACT:
A low-noise frequency synthesizer comprises a low-noise oscillator, such as a crystal oscillator, a multiplier, a divider and a phase-locked loop and is adapted to provide an output signal which is a combination of the multiplied and divided frequency. Thus, a large number of frequencies are available as an output in small increments determined by the division ratio of the divider.
REFERENCES:
patent: 4584539 (1986-04-01), Stankey
LaRoche Eugene R.
Marconi Instruments Limited
Pascal Robert J.
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