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:
Oct. 11, 1977
Filed:
Sep. 13, 1976
Arye Rosen, Cherry Hill, NJ (US);
Louis Sebastian Napoli, Hamilton Square, NJ (US);
RCA Corporation, New York, NY (US);
Abstract
A microwave frequency discriminator comprising a field effect transistor (FET) amplifier including an input impedance shaping network, a biasing circuit and a detector. The FET is biased to generate an output RF signal within a predetermined frequency bandwidth in response to an input RF signal of substantially constant power level. The input shaping network is formed to augment the frequency gain roll-off characteristic of the FET and the biasing circuit is used to electronically match the impedance of the FET output to the input of the detector. At such conditions of matched impedances the output dc voltage of the detector varies substantially linearly throughout the frequency bandwidth as a function of the frequency of the input RF signal approximating the characteristic of a frequency discriminator.