This decorative object was found in a Signetics documentation from the 60s. The circuit uses neon lamps and must be powered by a high continuous voltage. The current is extremely low.
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...