219875 ⎘
Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to differential amplifiers A cross coupled pair of transistors being added in the input circuit of a differential amplifier
Impedance converter to achieve negative capacitance and/or negative inductance for radio frequency front end matching
#2Off-state isolation enhancement for feedback amplifiers
#3Broadband linearization by elimination of harmonics and intermodulation in amplifiers