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:
Nov. 29, 1983
Filed:
Mar. 05, 1981
Applicant:
Inventors:
Akio Tokumo, Saitama, JP;
Yoshiro Kunugi, Saitama, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
331111 ; 3311 / ; 331143 ;
Abstract
An oscillator circuit adapted for use as a voltage controlled oscillator in which all of the transistors of the oscillator circuit are operated in non-saturated regions so that the minority carrier accumulation time does not affect the maximum operating frequency of the circuit. First and second current mirror circuits are coupled to opposed outputs of a differential amplifier circuit and are coupled to charge and discharge a capacitor with constant current in response to the states of the differential amplifier circuit. The differential amplifier circuit is provided with a hysteresis characteristic.