About KOYAMA HIDEHO
About ISHIKAWA MASAYUKI
About 電気学会電子回路研究会資料
About crystal oscillator
About negative resistance
About push-pull amplifier
About action
About consumed electric power
About HF
About bipolar transistor
About bias
About distortion factor
About computer simulation
About circuit constant
About Colpitts oscillator
About class AB
About SEPP
About PSPICE
About Oscillation circuits
About 水晶発振回路