Re: Holiday project
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I made another simple project, a regenerative receiver to cover 7-16 MHz. The specialty of this circuit is that a readily available shielded coil is used. The original is FCZ series, while my replacement is DIY7-14. It worked great. In the following article, I explained that I have changed the power supply to 4x AA sized Ni-MH batteries to make about 5V, so I can save a regulator 78L05, and 5V can power LM386 too. Also, I used varicap diodes instead of varicaps.