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.
We found this bench circuit in a Radio Electronics magazine from July 1962. The transistors are...
This circuit is from an 80's documentation. The circuit makes use of a component of the era, the...
This Linear Technology circuit can measure currents from 100 pA to 100 uA. The circuit is from the...