This circuit for the very low frequency range was found in the Radio Electronics magazine of February 1983. The components are according to the frequency range to be amplified.
This crowbar protection circuit for non-regulators blows the fuse when the load voltage exceeds a...
This general-purpose transistor amplifier stage was found in the November 1993 issue of...
This circuit was found in an old British publication from 1976. It must be powered with 5 V and...