Among the many mysteries of life is the question of why the North American and Middle Eastern standard for line frequency is 60 Hertz (Hz), and why Europe uses 50 Hz. While the Motor Doctor can’t ...

When it comes to designing a reliable 50-Hz oscillator, the disadvantage of the good old Wien Bridge oscillator is the difficulty to adjust its own gain. If the gain is higher or lower than the ...

Here is a Crystal based pulse generator that gives 50Hz clock pulses from its output. This circuit can be used as the front end of circuits that require precision 50Hz pulses. The circuit uses two ...