Browse Prior Art Database

Impedance Gain Control for Bipolar Device

IP.com Disclosure Number: IPCOM000054974D
Original Publication Date: 1980-May-01
Included in the Prior Art Database: 2005-Feb-13

Publishing Venue

IBM

Related People

Authors:
Garnache, RR Kenney, DM [+details]

Abstract

A field-effect transistor-type fourth terminal is provided on a bipolar device or transistor to produce external and independent gain adjustment. The fourth terminal, in the form of an insulated gate structure 10, modifies the effective base width and collector area of the bipolar device.