Harmonic mixer

Details Harmonic mixer Harmonic mixer

2006-08-01

2006-08-01

Chan, Wing (Department: 2614)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S302000, C455S326000, C375S340000

Reexamination Certificate

active

07085548

ABSTRACT:
The invention provides a harmonic direct conversion mixer having a multiplier circuit comprising first and second mixers and a generator for generating two first and two second control signals for controlling the first and second mixers. The control signals are balanced signals and are provided in four phases shifted by π/2 in phase. The frequency of the control signals is different from the frequency of the mixer input signal.

REFERENCES:
patent: 5020148 (1991-05-01), Bonato
patent: 5303417 (1994-04-01), Laws
patent: 5448772 (1995-09-01), Grandfield
patent: 5465415 (1995-11-01), Bien
patent: 5787126 (1998-07-01), Itoh et al.
patent: 5847623 (1998-12-01), Hadjichristos
patent: 5999804 (1999-12-01), Forgues
patent: 6144846 (2000-11-01), Durec
patent: 6370372 (2002-04-01), Molnar et al.
patent: 2 192 104 (1987-12-01), None

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