This is the factory setting (National Semiconductor) of the TDA2006 as an audio amplifier. The circuit works with 24 V and the diodes can be 1N4148.
The existence of field effect transistors at the input of the integrated circuit (operational...
This converter for the 150 MHz band was found in an American documentation. Transistors are...
This circuit is indicated for small low power amplifiers allowing the use of a tweeter. The...