Full-octave direct frequency synthesizer

Details Full-octave direct frequency synthesizer Full-octave direct frequency synthesizer

1984-07-26

1988-02-16

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307271, 331 40, H03B 1900, H03L 700

Patent

active

047257865

ABSTRACT:
A full-octave direct frequency synthesizer which can switch in under one microsecond and whose control frequencies are all harmonics of a single precision clock. Each stage generates a frequency in the 50-100 MHz range; the generated frequency is the sum of one-tenth of the input frequency plus an added increment within the full octave 50-100 MHz range. Each stage includes a first section for operating on the input frequency and the control frequencies for deriving a selected one of five possible frequencies, and a second section for deriving two possible frequencies from each of the five derivable by the first section. The final stage generates a frequency in the 500-1,000 MHz range, in steps of 0.5 Hz.

REFERENCES:
patent: 3188578 (1965-06-01), Winsor, III
patent: 3372347 (1968-03-01), Jones et al.
patent: 3454883 (1969-07-01), Oropeiza
patent: 3838355 (1974-09-01), Papaieck
patent: 3906388 (1975-09-01), Jones et al.
patent: 4425552 (1984-01-01), Stirling
patent: 4516085 (1985-05-01), Effinger et al.

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