Simple Powerful 5 Watts Amplifier and Telephone Line Bug

This is a general purpose amplifier that has a wide variety of general uses like circuit testing, phone line tabbing .. etc.  The circuit design is so effective that I'm producing it by the hundreds for local technical schools.



    • Make it Glow Contest 2018

      Make it Glow Contest 2018
    • Big and Small Contest

      Big and Small Contest
    • Toys Contest

      Toys Contest