The presented circuit measures currents and voltages with precision that depends on the tolerance of the resistors used. The instrument is a microammeter and more scales can be added.
The XR2206 is not a common component today, but if you have one you can build this function...
This circuit was found in Philips documentation from 1967. The components are of the time, being...
The proposed circuit generates signals in the range between 9 kHz and more than 44 kHz, which, it is...