This circuit was obtained from the March 1994 Electronics Now magazine. The circuit uses a common transistor which can be a low noise type such as the BC549.
March 2017 - The new Texas Dual ISO762xxL digital isolators are available at Mouser Electronics...
This circuit consists of a good perfromance audio amplifier powered from two or four batteries and has...
We found this circuit in a 1967 documentation. The circuit can be designed based on current...