219749 ⎘
Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers the supply current of a power amplifier being switchable controlled, e.g. by choosing different current sources or resistors
AMPLIFICATION CIRCUIT AND COMMUNICATION DEVICE
#2POWER SUPPLY REUSE FOR HIGH-POWER POWER AMPLIFIER
#3Current sensing circuit with integrated resistor and switch matrix
#4Voltage summing buffer, digital-to-analog converter and source driver of display device including the same
#5Direct coupled radio frequency (RF) transceiver front end
#6Wide dynamic range switching variable gain amplifier and control