This circuit was taken from the 1967 General Electric SCR Manual. The circuit can use virtually any unijunction and SCR according to load.
We found this sensitive moisture detector in an old documentation. The circuit uses a common JFET,...
This circuit, with the assembly in a contact matrix, was found in a publication from the 90s. The...
This modulator circuit for transmitters was found in American documentation from 1964. It can be...