This circuit is from a 1974 Ferranti transistor manual. The circuit is analog, and the components used are period types.
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...