COST EFFECTIVE LOW NOISE SINGLE LOOP SYNTHESIZER

COST EFFECTIVE LOW NOISE SINGLE LOOP SYNTHESIZER

A low cost, low phase noise microwave synthesizer includes a DDS modulation circuit and a phase-locked loop. The DDS modulation circuit modulates the output of a DDS to a high frequency. The phase-locked loop downconverts the DDS output and locks the downconverted signal to a relatively low frequenc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHOW COLIN KA HO, O'BRIEN DAVID E
Format: Patent
Sprache:eng
Schlagworte:
AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Beschreibung
Zusammenfassung:A low cost, low phase noise microwave synthesizer includes a DDS modulation circuit and a phase-locked loop. The DDS modulation circuit modulates the output of a DDS to a high frequency. The phase-locked loop downconverts the DDS output and locks the downconverted signal to a relatively low frequency, fixed reference.