Posted by Janicholson on November 16, 2023 at 11:39:37 from (24.240.46.228):
In Reply to: Re: Majorman controls posted by Majorman on November 16, 2023 at 08:17:25:
Other than radios and amplifiers, the biggest was a one off campus radio station. From the turn tables connections and tape players, to the VU meters and transmitter input, it was built. We even made the preamps and adjusted levels for broadcast. The transmitter (Low Power Broadcast brand) was purchased. The interesting but troublesome issue was it failed to work when turned on. The antenna was intended to be a capacitor coupling to the Buildings Wiring. After some substantial investigation, it turned out the master building input circuit breaker (Mains) were magnetic trip devices. They were wound with a thousand turns of fine wire and acrted as perfect chokes for the frequency of the station. Each was bridged with a capacitor and all was well. Jim
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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