Ideal for benchtop use, this dual-band circuit was obtained from the 1995 Electronics Now magazine. The circuit can be powered with voltages from 5 to 12 V.
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...