Suggested by a Philips documentation from 1970, this circuit uses period components, operating at 50 Hz. The current consumed is 10 A and the input voltage is 12 V.
This circuit generates a frequency modulated tone with excellent power. Other power MOSFETs can be...
This circuit has a sensitivity of 200 mV providing an RMS power of around 4 W for a load of 8 ohms...
This filter was obtained from Radio Electronics from the 80's. The configuration applies to any...