Balanced-type mixer having circuit board

Details Balanced-type mixer having circuit board Balanced-type mixer having circuit board

1997-08-29

1999-10-19

Urban, Edward F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455327, 455323, H04Q 720

Patent

active

059704012

ABSTRACT:
A balanced-type mixer having easier mounting of a circuit board into a dielectric line apparatus, easier matching between a dielectric line and diodes, and reduced conversion loss. A first conductor pattern is disposed in a direction substantially perpendicular to first dielectric strips which constitute a first NRD guide, first and second filter circuits are provided at positions on opposite sides of the first dielectric strips, thus forming a first resonance circuit, and beam lead diodes are mounted in series within the resonance circuit. Further, a second conductor pattern is extended substantially from the midpoint between the filter circuits, and a third filter circuit is provided, thus forming a second resonance circuit. A second NRD guide based on second dielectric strips is connected to the second resonance circuit.

REFERENCES:
patent: 4541124 (1985-09-01), Lacour et al.
patent: 4542535 (1985-09-01), Bates et al.
patent: 4627104 (1986-12-01), Knochel
patent: 5392051 (1995-02-01), Uematsu et al.
patent: 5640700 (1997-06-01), Shingyoji et al.
patent: 5770989 (1996-07-01), Ishikawa et al.

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