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.
This 1967 Electronics World circuit is suitable for frequencies up to 1 MHz. The setting applies...
Connected between an external antenna and the antenna input of a receiver, this circuit provides...
The purpose of this circuit from a 1995 publication. Its purpose is to alert a person when he...