Sinusoidal Oscillator (CB9189E)

This circuit was found in an Elektor from the 90s. The circuit uses common components even today, requiring a symmetrical power supply.

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LM377 Stereo Amplifier (CB25938E)
The figure shows an application of the LM377 in a small inverting stereo amplifier with output...
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This 500 MHz oscillator has an output power of 1 W when powered by a 20 V source. The circuit was...
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We can use this amplifier with low impedance headphones with good performance. Possible...