This circuit was obtained from the 1995 Encyclopedia of Electronic Circuits Volume 5. The circuit uses a CMOS 4001 and has a transistor power stage.
The modified Hartley oscillator, seen in figure 2, can generate signals ranging from 3 MHz to 10...
This circuit produces a high voltage (above 5,000 V) to ionize the air around a needle that acts...
Found in American documentation from the 90s, this circuit provides three timings given by the...