Simple Harmonic Oscillators Archives

Simple Portable Electronic Pulse Massager circuit

Last Updated on: June 20, 2022 by Apichet Garaipoom

This is simple handheld electronic pulse massager circuit. Which helps relax the muscles by electric pulse waves. Ideal for those muscles all the time. […]

Wien Bridge Oscillator circuits using Op-amp and FET

Last Updated on: July 12, 2021 by Apichet Garaipoom

This is sine wave bridge oscillator circuit more:

ECG simulator circuit using CD4521 and CD4017

Last Updated on: November 23, 2021 by Apichet Garaipoom

ECG simulator circuit is very useful in the medical community. Such as experimental research – development of bio-medical image, using Digital IC as main [….]

Simple IF signal generator circuit using CMOS IC

Last Updated on: April 16, 2022 by Apichet Garaipoom

IF frequency generator circuit using CMOS and crystal.

This is a Simple IF signal generator circuit using CMOS IC CD4011 as oscillator -CD4040 as divider and crystal-3.579 MHz into output AM: frequency 455 KHz