Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Patent
1995-01-19
1996-08-27
Urban, Edward F.
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
455333, 333 24R, 333245, 327113, H04B 126
Patent
active
055510744
ABSTRACT:
A mixer comprising four FET transistors in a MMIC, a reflection transformer having tri-filar windings, an IF balun, an RF balun, a local oscillator balun, a pair of load resistors, a pair of series resistors, and a pair of series capacitors. The mixer is packaged in a lidded header similar to a large TO-8 metal package.
REFERENCES:
patent: 3700928 (1972-10-01), Milberger et al.
patent: 4500847 (1985-02-01), Hallford
patent: 4502028 (1985-02-01), Leake
patent: 4979233 (1990-12-01), Kawahata
patent: 5027163 (1991-06-01), Dobrovolny
patent: 5130678 (1992-07-01), Edwards
patent: 5280648 (1994-01-01), Dobrovolny
Urban Edward F.
Watkins-Johnson Company
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