219441 ⎘
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with bipolar transistors as the active amplifying circuit by offset reduction by using balancing means
Balanced differential transimpedance amplifier with single ended input and balancing method
#2Differential amplifier
#3Boost operational amplifier
#4Differential input amplifier
#5PASSIVE CIRCUIT FOR IMPROVED DIFFERENTIAL AMPLIFIER COMMON MODE REJECTION
#6Circuit to prevent load-induced DC nonlinearity in an op-amp
#7Unilateralized amplifier
#8Bipolar differential input stage with input bias current cancellation circuit