219385 ⎘
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using BiFET transistors as the active amplifying circuit; Long tailed pairs Non-folded cascode stages
Track and hold amplifiers
#2High output power digital-to-analog converter system
#3Apparatus and methods for electronic amplification
#4Variable-gain low noise amplifier
#5Amplifier networks with controlled common-mode level and converter systems for use therewith
#6Amplifier with current mirror bias adjust
#7Differential amplifiers with enhanced gain and dynamic range
#8Transconductance amplifier having common mode feedback circuit and method of operating the transconductance amplifier
#9Low power low noise amplifier for a magnetoresistive sensor
#10Transmitter and radio communication terminal using the same
#11Communication semiconductor integrated circuit device and electrical apparatus
#12Tail current generator circuit for bipolar/MOS differential pair to set precise transconductance