Set-on oscillator

Details Set-on oscillator Set-on oscillator

1989-10-20

1991-01-01

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328138, 328 14, 307523, 307524, 307529, H03B 1900, H03D 300, H03K 500, G06G 700

Patent

active

049821652

ABSTRACT:
A fast and inexpensive set-on oscillator is disclosed. According to the invention, the input signal is processed in two paths. In the first path, a coarse estimate of the input frequency is made. In the second path, the input signal is down converted to a baseband. The frequency of the relatively low frequency baseband signal is measured and a new signal at this frequency is synthesized. The synthesized signal is up converted in frequency. The down-conversion process is performed ambiguously and circuitry is included to resolve the ambiguity. The up conversion process is also performed ambiguously. The coarse estimate of the input frequency is used to resolve this ambiguity.

REFERENCES:
patent: 4437066 (1984-03-01), Gordon
patent: 4558282 (1985-12-01), Lowenschuss

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