This is one of the many modulated siren versions that can be found on our website. We found it in a Hands On Electronics from the 90s.
The figure shows an application of the LM377 in a small inverting stereo amplifier with output...
This 500 MHz oscillator has an output power of 1 W when powered by a 20 V source. The circuit was...
We can use this amplifier with low impedance headphones with good performance. Possible...