Power amplifier having monitoring and circuit protection

Power amplifier including an impedance matching circuit and a sw

Power amplifier output stage with multiple power states and...

Power amplifier stage of the voltage follower type

Power amplifier system

Power amplifier system with variable output

Power amplifier using upstream signal information

Power amplifier with load switching circuit

Power amplifier with switchable load

Power amplifier, power control method for power amplifier,...

Power amplifying apparatus and mobile communication terminal

Power efficient amplifier

Power efficient amplifier

Power-saving low-frequency power amplifier

Pre-amplifier circuit

Preamplifier for an imaging system

Predistortion amplifier system with separately controllable...

Preserving linearity of an isolator-free power amplifier by...

Preventing power-on audio output noise in a wireless...

Programmable amplifier