Frequency conversion circuit using common local synthesizer

Details Frequency conversion circuit using common local synthesizer Frequency conversion circuit using common local synthesizer

2006-03-14

2006-03-14

Maung, Nay (Department: 2684)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S209000, C455S118000, C455S076000

Reexamination Certificate

active

07013121

ABSTRACT:
A radio for use in microwave datalink applications in which a common local oscillator is used for both a final radio frequency (RF) up-converter stage and an initial RF down converter stage. The frequency of the common local oscillator corresponds to an integer multiple of a local oscillator needed for an earlier up-converter or later down converter stage. The circuit can be used to provide a radio frequency carrier in a 30 GHz band using Coaxial Resonator Oscillators (CRO's) that lend themselves to a planar microstrip circuit implementation.

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