This configuration was found in an English magazine from 1965. It is valid for any junction FET. The input impedance is 5.5 M ohm higher than conventional stages.
The 4093 or any other NAND gate can be used for the very sensitive configuration of a R-S...
The tone produced by this circuit attract fishes. The circuit is installed into a small can and...
This simple circuit with bipolar transistors is from a 1970s American documentation. The RF...