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 is a high voltage probe that allows the measurement of high continuous voltages with a common...
The circuit shown in figure is suggested by Texas Instruments (www.ti.com) and makes use of the...
This well-known configuration of the guitar effects pedal was obtained in an English magazine from...