Homodyne receiver minimizing oscillator leakage

Details Homodyne receiver minimizing oscillator leakage Homodyne receiver minimizing oscillator leakage

1994-09-08

1996-06-25

Faile, Andrew I.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455310, 455318, H04B 126

Patent

active

055309291

ABSTRACT:
A method and a device in a homodyne receiver including a local oscillator generating an oscillator signal at a frequency of f.sub.LO, a mixer, and a reception device for receiving an input signal having a frequency of f.sub.RF, the oscillator signal and the input signal being supplied to the mixer. The oscillator signal is supplied to a first processing unit to produce a first output signal having a frequency of M*f.sub.LO, where M is an integer value. The first output signal is supplied to a second processing unit to produce a second output signal having a frequency of M*f.sub.LO /N=f.sub.LO, where N is an integer number and M.noteq.N, and the mixer and the second processing unit are integrated to minimize leakage of signals being supplied to the mixer from the second processing unit.

REFERENCES:
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patent: 5029237 (1991-07-01), Ragan
patent: 5146186 (1992-09-01), Vella
patent: 5187722 (1993-02-01), Petty
patent: 5241702 (1993-08-01), Dent
patent: 5263197 (1993-04-01), Manjo et al.
patent: 5361408 (1994-11-01), Watanabe et al.

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