Transcription of D級アンプにおけるPWM搬送波の高周波化に関する研究
1 D PWM 113032 A Study on a Higher Freguemcy of the PWM Carrier in Class D Amplifier Hitoshi Kimura Electronic and Optical Systems Lab., Dept. of Electrical and Electronic Engineering, Setsunan Univ.. D PWM D . 1 PWM 2 D PWM ( 1) ( 2) D (GBW) ( (.))
2 GBW=A f A= f= .. + . - . ( 2) (500Hz 1 Vpp) 0Hz PWM 1 OP07D 4558D 2114D 356N 2kHz 10kHz 104kHz 160kHz - . 1 (50kHz 2 Vpp) THD+N( 3) 3 THD+N( ) . 2 OP07D 4558D 2114D 356N s 1V/ s 15V/ s 12V/ s 3MH 13 MHz 5MH 1 2116D (SR) (GBW) PWM 2 SR GBW SR GBW THD+N 1. 2008 3 2.
3 :D .CQ (2012 ) 3. 2003 8 4558D 2114D 356 NTHD+N(%)
