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:
Jun. 02, 1987
Filed:
Feb. 29, 1984
Applicant:
Inventors:
Gerard Kantorowicz, Paris, FR;
Didier Kaminsky, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B / ; H03K / ;
U.S. Cl.
CPC ...
307529 ; 3072191 ; 307271 ; 307304 ; 328 15 ; 328 25 ; 455333 ;
Abstract
A frequency divide-by-two circuit capable of operating from substantially DC up to the maximum operating frequency of the component devices. First and second mixer stages receive the signal to be divided and its antiphase complement. The mixer output signals are amplified and summed. A portion of the sum signal is fed back to the other inputs of the mixers. The mixing amplifying and summing functions can all be performed by two FETs each having two gates. The divider can be integrated on a single chip since it does not make use of a filter. It can be used at frequencies of up to about 25 GHz.