Archive for the ‘FM band’ Category:

2021-04-28 Colpitts Oscillator For FM BCB

This is a low power oscillator using an air core coil and silver mica capacitors for stability. Parts values are subject to the frequency needed. There is no modulation. For FM the 10 pF capacitor would be lower and include a reverse biased diode as a varicap in parallel. The audio should be across this

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2020-10-15 AM & Digital Radio Mondiale

Well, this article wants the Flunked Clown College to let DRM be one of the choices. It doesn’t matter to me because I don’t plan on spending anything on getting a device that will decode HD radio, FM or AM. Even if the next car I buy has it, I will still not be using

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2017-06-19 FM Receiver Kit  With Hex3653 Chip

I ordered these kits Several weeks ago and they finally arrived today.  I opened up the package and found several parts rattling around loose in the box.  I found one bag had been cut open, and whoever slit it didn’t tape or staple it closed. I got to work and assembled one of the kits

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