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Negative Resistance Oscillator with Homemade Tunnel Diode - This
project may not be very practical but I find it to be a very exciting
experience. When I first heard about tunnel diodes many years ago, they
seemed to me, to be one of the most exotic devices on earth. It was very
exciting to discover that I could easily make at home, at least in very
crude form, an actual working device that is similar. (added 02/05)
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