Accession Number : ADD003314

Title :   High Slew Rate Operational Amplifier Circuit.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Stehlin,Robert A ; Bryan,John A

Report Date : 30 Nov 1976

Pagination or Media Count : 4

Abstract : The patent relates to high reliability, very high slewing rates and fast settling times realized in an operational amplifier circuit having a single externally controllable gain stage and an input stage that uses complementary bipolar transistors and dielectric isolation. The input stage comprises the parallel arrangement of two emitter-follower composite transistors. Each emitter-follower composite transistor consists of the parallel arrangement of two series connected NPN transistors and two series connected PNP transistors. The transistors are connected so that the base current of the PNP transistors supplies base current to the NPN transistors. Dielectric isolation is provided by means of SiO2.

Descriptors :   *Operational amplifiers, *Patents, Slewing, High rate, Transistor amplifiers

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE