Using the NE5205 integrated circuit this circuit was found in the May 1987 issue of Radio Electronics magazine. It can amplify signals up to 450MHz.
This circuit is from a 1991 publication. It divides the frequency of a TTL signal applied to its...
By adding a transistor to the output and some polarization features we can obtain a higher output...
This sample and hold circuit was found in ancient European documentation. The operational can be...