This circuit was found in a Motorola documentation from the 90s. The transistor used is uncommon today. The output power is 1 W.
This sensor uses a capacitive system that oscillates at 45 MHz with the empty glass tube. Its...
This circuit was obtained in a 1967’s EEE. Transistors and integrated circuits can be replaced by...
This circuit was found in an American documentation and can be added to common amplifiers of any...