Amplifier

Details Amplifier Amplifier

2011-06-07

2011-06-07

Choe, Henry K (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S311000

Reexamination Certificate

active

07956682

ABSTRACT:
An amplifier including a first transistor including a gate coupled to an input terminal and a grounded source; a load resistor provided between a drain of the first transistor and a power supply; an output terminal coupled to a node between the drain of the first transistor and the load resistor; a feedback path coupled to the input terminal and the output terminal and including a resistor and a capacitor; a bias voltage generator applying a gate bias voltage to the gate of the first transistor in response to an enable signal; a supply resistor provided between an output node for the gate bias voltage of the bias voltage generator and the gate of the first transistor; and an enable switch lowering a resistance value between the output node for the gate bias voltage and a node in the feedback path.

REFERENCES:
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patent: 7791411 (2010-09-01), Frohlich et al.
patent: 2007/0046379 (2007-03-01), Tanahashi et al.
patent: 2008/0297262 (2008-12-01), Duster et al.
patent: 8-148953 (1996-06-01), None
patent: 11-112381 (1999-04-01), None
patent: 2007-60458 (2007-03-01), None

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