Switched capacitor elliptic filter

Switched capacitor filter circuit

Switched capacitor filter utilizing a differential input and out

Switched-capacitor elliptic filter

Switching circuit useful in telephone conference systems

Switching power driving circuit arrangement

Synchro power buffer amplifier

Synchronized compressor and expander voice processing system for

System and method for noise and spurious supression in power...

System and method for operating a feedback network

System and method for operating a feedback network

System for reproducing sound information

Technique to drive transformer coupled line amplifier

Telecommunications signal amplifier

Telephone line amplifier

Telephone network protective coupler

Temperature and supply voltage compensated amplifying device

Temperature sensor

Third harmonic signal generator

Tone control circuit