This is yet another balanced modulator circuit for SSB transmission. This two-diode circuit was found in a 1980s documentation. The diodes are commonly used.
This flasher for incandescent lamps was found in Radio Electronics from the 80's. The circuit uses...
This is one of many possible configurations for this type of oscillator that generates sinusoidal...
This circuit was obtained from an English magazine from 1980, but as it uses components that can...