Grounded bridge amplifier protection through transistor thermo p

Details Grounded bridge amplifier protection through transistor thermo p Grounded bridge amplifier protection through transistor thermo p

1985-01-09

1986-09-09

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including protection means

330146, 330207P, 361103, H03F 326, H02H 504

Patent

active

046111808

ABSTRACT:
A bridge amplifier having paired high and low output stages in which a main amplifier receiving an input signal drives the high output stages and a balancing amplifier drives the low of the output stages. A junction temperature simulation circuit extends between the main amplifier and the low output stages in which the temperatures of the low output stages are sensed to produce an arresting of the main amplifier drive to the high output stages and thereby simultaneously control the balancing amplifier and its drive to the low output stages.

REFERENCES:
patent: 3808545 (1974-04-01), Stanley
patent: 4330809 (1982-05-01), Stanley

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