Amplifiers – With semiconductor amplifying device – Including push-pull amplifier
Patent
1997-12-10
1999-10-26
Pascal, Robert
Amplifiers
With semiconductor amplifying device
Including push-pull amplifier
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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National Semiconductor Corporation
Nguyen Khanh Van
Pascal Robert
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