This cascade circuit was obtained from old Signetics documentation. The circuit makes use of special neon lamps that act as valves. Observe the high supply voltage.
This circuit inverts the polarity of a 12 V input, providing an output of 15 V x 100 mA. The...
This system of sequential LEDs has its speed adjusted in a 1 M ohm potentiometer and this speed...
This circuit was found in the old Mullard transistor reference manual from 1960. The circuit uses...