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 circuit is from the 80's, making use of components of the time. What the circuit does is...
Suggested by National based on the LM6218, this circuit from the 90s has high speed...
This 3-position switch with triac was found in country documentation with a 240 V network. Valid...