Low cost planar double balanced mixer

Details Low cost planar double balanced mixer Low cost planar double balanced mixer

2007-12-04

2007-12-04

Moe, Aung (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

C455S326000

Reexamination Certificate

active

10942055

ABSTRACT:
A double balanced mixer includes a local oscillator balun, a radio frequency balun and four diodes. The local oscillator balun has a transmission line, a half wavelength transmission line and a quarter wavelength transmission line mounted on a printed circuit board. The radio frequency balun has a transmission line, a half wavelength transmission line and a printed circuit line mounted on a printed circuit board. The four diodes are mounted to the printed circuit board and connected between the local oscillator balun and the radio frequency balun.

REFERENCES:
patent: 5740528 (1998-04-01), Drennen
patent: 5774801 (1998-06-01), Li et al.
patent: 5854974 (1998-12-01), Li
patent: 6917796 (2005-07-01), Setty et al.
patent: 7013122 (2006-03-01), Gamliel
patent: 7027795 (2006-04-01), Ji
patent: 7072636 (2006-07-01), Dobrovolny
patent: 2003/0068996 (2003-04-01), Setty et al.
patent: 2004/0185816 (2004-09-01), Ji

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