This 1968 circuit makes use of MOSFETs of the time. The circuit can be mounted based on modern common FETs. Observe the high supply voltage.
This circuit is asymmetric with the mark-space relationship determined by R1 and R2. The diode can be a...
This basic Schmitt trigger was found in an American publication from 1968. The circuit uses...
This circuit is from a 1967 publication and applies to incandescent lamps up to 600 W. Triacs must be...