The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 1983
Filed:
Mar. 13, 1981
Applicant:
Inventor:
Ben R Hallford, Wylie, TX (US);
Assignee:
Rockwell International Corporation, El Segundo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
455327 ; 455330 ;
Abstract
A microwave frequency converter is provided with cost effectively manufacturable microstrip layout circuitry, particularly for directionally coupling the LO signal. A pair of unbalanced microstrip conductors lead from a mixer bridge respectively to a pair of balun IF rejection filters juxtaposed on the opposite side of a dielectric substrate. A second pair of unbalanced microstrip conductors lead respectively from the pair of balun IF rejection filters to a microstrip branch line coupler.