Single balanced planar mixer

Details Single balanced planar mixer Single balanced planar mixer

1985-03-04

1986-08-19

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455330, H04B 126

Patent

active

046073949

ABSTRACT:
A single balanced planar mixer is disclosed suitable for use in the reception of electromagnetic waves of extremely high frequencies including millimeter waves. The mixer may be combined with an antenna, the combination being particularly suitable for use in antenna arrays. The arrangement is planar combining coplanar strip, coplanar line, and microstrip transmission lines formed on an insulating substrate in a single balanced arrangement providing isolation between the antenna port on the one hand and the local oscillator and IF ports on the other hand. Additional filters suitable for fabrication on a substrate are employed to provide isolation between the local oscillator and intermediate frequency ports. At lower frequencies, the arrangement may be in a hybrid format using an insulating substrate and discrete diodes. At higher frequencies the arrangement may be monolithically integrated using a gallium arsenide substrate with integrated diodes.

REFERENCES:
patent: 3534267 (1970-10-01), Hyltin
patent: 4211977 (1980-07-01), Shinkawa et al.
patent: 4249263 (1981-02-01), Shinkawa et al.
patent: 4450584 (1984-05-01), Saka et al.
patent: 4553266 (1985-11-01), Bates et al.

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