We found this circuit in the March 1980 Radio Electronics magazine. The circuit used is the HA2400 released at the time. The power supply must be symmetrical.
This interesting circuit, from a digital documentation two years 1978 shows how to implement a...
The oscillator shown generates a rectangular output signal at a frequency of 5 MHz, determined by the...
This circuit was found in an old publicatio n from the year 1958. The circuit controls an external load by...