This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used as a basis for modern designs with equivalent transistors.
This indicator for audio signals uses only 3 components. LEDs are common and the audio signal with...
This circuit was obtained from Linear Technology documentation from the 80's. Powered by 5 V it...
The frequency of this circuit, that makes use of a tunnel diode as an active element, depends on...