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:
Mar. 19, 1991
Filed:
Mar. 24, 1989
Applicant:
Inventor:
Jouni Nyqvist, Muurla, FI;
Assignee:
Nokia-Mobira Oy, Salo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B / ;
U.S. Cl.
CPC ...
307529 ; 307494 ; 307491 ; 328156 ; 330257 ;
Abstract
Balanced mixers with respect to their output stages are created by making the differential mixer output (A, B) a single-ended output (C) without a matching transformer. The circuitry can be used in all balanced transistor mixers, provided that both sides of the differential output are available for use.