Double balanced mixer using single ferrite core

Details Double balanced mixer using single ferrite core Double balanced mixer using single ferrite core

1977-05-18

1978-10-10

Richardson, Robert L.

Inductor devices

Interlinked coils or windings

Coil surrounding linear conductor

336182, 336184, 336220, 336221, H04B 126, H01F 3900

Patent

active

041199146

ABSTRACT:
Disclosed is a double balanced mixer using a novel single ferrite core construction. The core includes two apertures and a transformer is wound through each aperture. The two transformers are connected by diodes in the known manner to provide the mixer. The arrangement lends itself to simple construction and provides a mixer which is smaller than heretofore possible and which exhibits exceptional high frequency response and flatness with satisfactory isolation.

REFERENCES:
patent: 3025480 (1962-03-01), Guanella
patent: 3195076 (1965-07-01), Morrison
patent: 3449704 (1969-06-01), Matsushima et al.
patent: 3665508 (1972-05-01), Gawler
patent: 3766499 (1973-10-01), Dillenberger
patent: 3772599 (1973-11-01), Ernst et al.
patent: 3783415 (1974-01-01), Koskinen
"VHF/UHF Balun" - Steven Wlasuk, RCA Technical Notes, #704, Jan. 1967.

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