This circuit was found in an Electronic Design. The circuit can be programmed to operate in different frequency ranges with the indicated characteristics. The IC component is uncommon today.
This circuit was found in a 1967 Philips documentation. The circuit fires when light stops hitting the...
We found this circuit in a 1990 documentation. It draws one out of 10 numbers and during the draw...
This preamplifier for magnetic cartridges was found in the February 1990 issue of Radio...