Accession Number:

AD0261996

Title:

DESIGN CRITERIA FOR STABILIZATION OF TRANSISTOR GAIN WITH TEMPERATURE

Descriptive Note:

Corporate Author:

HARRY DIAMOND LABS ADELPHI MD

Personal Author(s):

Report Date:

1961-05-15

Pagination or Media Count:

38.0

Abstract:

An equation was developed for a generalized transistor amplifier network, expressing the relationship that must be maintained between circuit elements and the transistor small-signal parameters for minimum gain variations over wide temperature ranges. Employing a single-stage common-emitter amplifier with collector-to-base feedback and various degrees of mismatch relative to the design criteria, the relationship was checked from -50 to 90 C at 10, 100, and 500 kc. Results show that considerable improvement in gain stability can be obtained in going from the unmatched to matched condition, but with some reduction in the over-all gain, the loss being dependent on the relative magnitude of the generator and transistor input impedances. The normalized gain variations were reduced from a maximum of 18 db to less than 2 db over the temperature range.

Subject Categories:

  • Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE