We found this circuit in the March 1980 Radio Electronics magazine. The circuit used is the HA2400 released at the time. The power supply must be symmetrical.
The circuit shown in the figure can be designed with more modern operational amplifiers, as it is...
This transmitter has a power of only 2 W, but with a good antenna it can send its signals over...
August 2017 - The new DPS1133 power switches from Diodes Incorporated for currents up to 3.3 A...