Found in a 1943 publication this class B amplifier has good performance. The circuit does not include the power supply and has only one input.
This metronome configuration with the 555, quite common was found in a 90s Hands On Electronics. The...
The frequency of this oscillator is given by the coil and by C1/C2. The circuit supports any...
This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The...