Broadband doubly balanced mixer having improved termination inse

Details Broadband doubly balanced mixer having improved termination inse Broadband doubly balanced mixer having improved termination inse

1979-05-16

1980-09-23

Richardson, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

333 26, 333 34, 333238, 455331, H04B 126, H03H 742

Patent

active

042245729

ABSTRACT:
A diode modulator type electrical mixer network has at least two hybrids of transmission line construction, interconnected by means of two sets of four or more diodes arranged in bridge circuit configurations. The interconnecting configuration provides a novel means of local oscillator injection that allows the mixer to operate in a mode that substantially reduces the mixer's susceptability to effects caused by reflective external source and load termination impedances differing from an ideal 50 ohm nonreflective condition.

REFERENCES:
patent: 3523260 (1970-08-01), Gunshinan et al.
patent: 3652941 (1972-03-01), Neuf
patent: 3678395 (1972-07-01), Hunton et al.
patent: 4032850 (1977-06-01), Hill
patent: 4063176 (1977-12-01), Milligan et al.
patent: 4125810 (1978-11-01), Pavio

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