We found this circuit in a 1980s American documentation. The operational amplifiers of the integrated circuit used can be common types in an experimental setup.
This circuit was originally found in a Philips documentation from 1969. It is intended for sensing...
This small source was found in an English documentation from 1970. The diodes can be 1N4002 for...
The oscillator shown generates a rectangular output signal at a frequency of 5 MHz, determined by the...