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Experimental Discrete Class D Amplifier Ramp Generator with 555 and constant current source Comparator PWM Generator based on LM393 LM386 audio preamplifier Mosfet control based on 4011 NOTE: http://electgpl.blogspot.com/2019/04/... SAWTOOTH SIGNAL GENERATOR WITH 555: • Sawtooth Signal Generator with... DCDC SOURCE WITH OPERATIONAL AMPLIFIER: • DCDC Step Up or Boost Source with Opera... PWM GENERATION WITH OPERATIONAL AMPLIFIER: • PWM Generation with Operator Amplifiers... COIL METER WITH 555: • Coil or Inductance Meter with Constant Current... CALCULATION OF INDUCTORS AND NUCLEUS: • Calculation of Inductances and Cores for... If you liked the video do not forget to give Like and Subscribe, this helps the channel to grow and invest in new products to show you. SUBSCRIPTION :D == http://www.youtube.com/subscription_c... DONATIONS :D == https://www.paypal.me/electgpl Thank you very much! Site: http://electgpl.blogspot.com.ar Facebook Group: / electgpl #amplifier #classd #555