Wideband multiple channel frequency converter

Details Wideband multiple channel frequency converter Wideband multiple channel frequency converter

1998-10-27

2000-11-28

Bost, Dwayne D.

Telecommunications

Transmitter

Angle modulation

455114, 455117, 455118, 455119, 455323, 375296, 330149, 330151, H03F 126

Patent

active

061546410

ABSTRACT:
A wideband multiple channel frequency converter includes a mixer, a frequency generator for generating a local oscillator signal, a power divider for receiving the local oscillator signal and providing a portion of the signal to the mixer and a portion of the signal to a feed forward path which phase and amplitude adjusts the signal and a power combiner for receiving and combining a signal from the mixer and the phase and amplitude adjusted signal from the feed forward path. In addition, an attenuator may be implemented to reduce a power level of a signal to be converted and a band-pass filter may receive the signal from the power combiner. The converter compensates for local oscillator signal leakage and can reduce inter-modulation components.

REFERENCES:
patent: 5033110 (1991-07-01), Harman
patent: 5528196 (1996-06-01), Baskin et al.
patent: 5768699 (1998-06-01), Behan et al.
patent: 5877653 (1999-03-01), Kim et al.

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