Based on the BA1404 integrated circuit, this circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is short range, but a power amplifier stage can be used.
This amplifier uses an operational amplifier from the time. It was found in the February 1970...
The circuit is suggested by Motorola in its 1990 Linear Databook but operating from the same...
This circuit was found in the Texas Instruments 1996 linear applications manual. It consists of a...