Dual-section amplifier arrangement having a protection circuit

Details Dual-section amplifier arrangement having a protection circuit Dual-section amplifier arrangement having a protection circuit

1984-01-10

1985-11-26

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including protection means

330 85, 330207P, 330255, 330294, H03F 134, H02H 720

Patent

active

045556768

ABSTRACT:
An amplifier arrangement includes a first section and a second section. The second section has an output transistor which is protected by a protection circuit. The protection circuit acts on the input of the second section in order to obtain a higher gain in the protection loop. In order to preclude instabilities, the protection circuit has a falling frequency response with a flat portion in view of the frequency compensation of the second section.

REFERENCES:
Perez, "An 8 W Amplifier with Integrated Circuit", Revista Espanola de Electronica, vol. 26, No. 297-298, pp. 34-39, Aug.-Sep. 1979.

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