This circuit has its frequency controlled by a 1MHz crystal. The circuit must be powered by a voltage of 5V. The capacitors must be ceramic. The generated signal is rectangular.
This circuit was obtained from a 1978 Practical Wireless. It generates a low frequency, low...
This conventional LED effects circuit uses integrated CMOS. Today we can achieve the same effects...
This small blocking oscillator for approximately 1000 Hz was found in an American documentation from the...