Found in Popular Elecronics, this configuration also appears in this section, but obtained from other sources. The 14.4 V supply allows the circuit to be used in the car.
Found in Popular Electronics from the 90s, this circuit is intended for a radar emitting pistol. The...
This circuit can generate signals up to 5 MHz according the power supply voltage. Frequency is...
This transmitter emits a modulated signal at a frequency given by the first transistor in the...