This speaker overload protection circuit was found in Radio Electronics from the 1980s. The circuit uses a 9 V relay but can be powered by 12 V for a relay of this voltage.
This powerful source is indicated for FM transmitters above 2 W. It provides 18.2 V of output with...
This simple circuit is designed to charger AA or AAA Nicad batteries. Current can be changed...
This amplifier uses hybrid modules Sanken and can provide powers of 10 W or 20, depending on the...