Found in a1969’s neon lamp documentation, this circuit uses a high voltage transistor. The output currents reach 100 mA.
Obtained from a 1996 documentation, this circuit uses common components and has a voltage gain of 200...
This precision circuit can provide timings from 0.2 milliseconds to 3 minutes accurately. The...
Found in RCA documentation from the 90s, this bass and treble control uses an operational...