This circuit with output powers of 2 to 3 W depending on the power supply was found in the magazine Radio Electronics of April 1990. The speakers are 8-ohm.
September 2016 - It can be obtained by Mouser Electronics the new dual analog switches TS5A22364 /...
The circuit presented generates short pulses. This configuration was found in a publication from...
This conventional oscillator with the 741 can be precisely adjusted to produce a 400 Hz signal. The...