Amplifier device with gain switching, for a cellular mobile...

Amplifier for amplifying a high-frequency signal

Amplifier for continuous high gain, narrowband signal amplificat

Amplifier for improving electrostatic discharge characteristic

Amplifier for use in a mobile phone

Amplifier gain control circuit arrangements

Amplifier having input/output cells with discrete gain steps

Amplifier power control circuit

Amplifier power control circuit

Amplifier power control circuit

Amplifier system

Amplifier system having compensated amplification variation

Amplifier system with AGC, as for an AM radio

Amplifier system with automatic distortion control

Amplifier system with controlled reactance

Amplifier with adjustable voltage gain and method of...

Amplifier with controllable variable signal gain

Amplifier with dynamically adaptable supply current

Amplifier with muting circuit

Amplifier with output filtering