This circuit is from documentation from 1965. However, it can be created with modern transistors. Power comes from two 9 V batteries.
This circuit was found in 1980s documentation. The circuit uses components from that time serving for...
This dimmer was found in a 1980 publication. The Triac can be any of the TIC series and the...
The National Semiconductor operational amplifier, now owned by the Texas Instruments group, is no...