This 50 W amplifier was found in the November 1983 Radio Electronics issue. The circuit is suitable for the case and includes a preamp with tone control using off-the-shelf components.
This 2-terminal regulator was obtained from a 1990s National Semiconductor manual. The components admit...
This circuit is from the 1993 Motorola Linear Interface ICs. Equivalent operating may be used and...
We found this circuit in a 1980s Motorola documentation. The circuit makes use of common operating...