This circuit was found in a 70s documentation. The transistor is from that time. L1 has 4 turns of wire 20 in the form of 3/32 inches and L1 has 10 turns of the same wire,
Decade counters, such as the 4017, can be cascaded as sourcing signals with the frequency divided...
The frequency of this oscillator depends on the coil and the 10 nF capacitor. The circuit is from...
This circuit generates a 2 W sinusoidal signal using the Wien bridge configuration. We found this...