High power output stage with temperature stable precisely contro

Amplifiers – With semiconductor amplifying device – Including push-pull amplifier

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330267, 330268, H03F 326

Patent

active

059735635

ABSTRACT:
An output stage driver circuit comprising two parallel class AB stages running at slightly different quiescent currents, the difference of which is scaled up through a current mirror is disclosed which provides a temperature stable precisely controlled quiescent current for the output stage. A current limited voltage source is provided to ensure inherent short circuit protection with instantaneous response to short circuit or excessive load current conditions.

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