More circuits about oscillator, pulse, frequency , and others.
There are many ways to filter the hum noise from AC line (50 Hz) from audio signal away. This is Hum Filter circuit using electronic coil. A frequency filter usage…
This is Sawtooth wave generator circuit using UJT transistors is easy. to connects with VR1(potentiometer), VR2 and C1. adjust frequency and waveform out
If you are looking for a constant frequency generator that easy and inexpensive. Here are the transistor crystal oscillator circuit ideas. They may help you works finish. Since 30 years…
Digital logarithmic sweep signal generator circuit by use average digital, It is designed to use together with frequency generator by voltage controller. [...]
This Simple Crystal oscillator Circuit using 74LS04 that provided square wave of 1MHz to 10MHz, Use inverter gate IC and control frequencies with crystal [...]
The filter circuit of this main circuit will sent to through to the signal that middle frequency. At the same time is attenuated the others frequency into input signal to…