Re-configurable amplifier protection apparatus and method

Details Re-configurable amplifier protection apparatus and method Re-configurable amplifier protection apparatus and method

2008-07-01

2008-07-01

Mottola, Steven J (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S20700P

Reexamination Certificate

active

07394312

ABSTRACT:
The present invention is directed to an amplifier, which is able to re-configure its internal protection circuits based on an output signal level. This allows the amplifier to apply the best protection level to the present operational condition. The protection level or threshold for protecting the amplifier is dynamically adjusted to a lower threshold level, thereby making it more sensitive in certain operating scenarios. In one embodiment of the present invention, a first current protection threshold is used to operate an amplifier in a first state. If an event occurs, the amplifier protection circuit is re-configured and the amplifier continues to operate with a second protection threshold in a second state.

REFERENCES:
patent: 4173739 (1979-11-01), Yoshida
patent: 4216517 (1980-08-01), Takahashi
patent: 4455534 (1984-06-01), Gillig
patent: 5847610 (1998-12-01), Fujita
patent: 6621336 (2003-09-01), Johnson
patent: 6806766 (2004-10-01), Hasegawa
patent: 2004/0135635 (2004-07-01), Noro
patent: 44 33 528 (1995-03-01), None

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