Microwave integrated circuit double balanced mixer

Details Microwave integrated circuit double balanced mixer Microwave integrated circuit double balanced mixer

1979-12-03

1981-09-22

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

333 26, H04B 126, H03H 742

Patent

active

042914159

ABSTRACT:
Double-balanced mixers of the star-configuration type for microwave-frequency electromagnetic waves have a balanced four-wire line realized with a pair of wires on each side of a dielectric substrate, means to feed a first-frequency wave to the line in a parallel-mode, and means to feed a second-frequency wave to the line in a transverse-mode. These waves may be RF and LO signals, respectively, or vice versa. A common star-configuration point is provided, and four diodes in a star configuration are connected to it, one from each wire. IF output is between the common star-configuration point and a common reference terminal (e.g.: ground) for the mixer. The mixer can be fed from balanced or unbalanced RF and/or LO input lines.

REFERENCES:
patent: 3512090 (1970-05-01), Mouw
patent: 3652941 (1972-03-01), Neuf
patent: 3678395 (1972-07-01), Hunton et al.
patent: 3818385 (1974-06-01), Mouw
patent: 4032849 (1977-06-01), Gysel et al.
patent: 4125810 (1978-11-01), Pavio

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