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Hi Pete, Sounds like you've been Real Busy..!
My thoughts? Get release 1.0 out the door when feaseable, with a list of " Features for release 1.1" to add in later . Loopstick for $125 - 150 sounds great. It's gotta compete with the other sets out there. Try not to get stuck in " The Second System Syndrome" where you try to put Every feature in ..( Thats usually my downfall )Tone controls & a nice sound are important. Car DSP sounds Brilliant !! - Go ! ! Dan In article , "Pete KE9OA" writes: Hi folks, Things have been going a million miles an hour! Right now, I am working on a low noise VCO design, with a tracking filter at the output. I have also been looking at a dual conversion chipset that Phillips came out with for the auto radio industry. These devices are used in the Cambridge Audio Model T500 FM/AM Tuner. Performance is pretty amazing on the MW band, although FM sounds like every other tuner, which isn't bad. They are using a DSP for the final demodulation process. Also, I am working on an active loopstick antenna. I was able to locate a source of 8 inch ferrite rod stock, for only $1.50 each. Elna is the supplier, distributing rod stock that Phillips manufacturers. I am testing some of that stock that has a mu of 900. I think that this should yield a nice high Q coil. Another thing that I want to do is have the loop tiltable, like the Palomar loop, except that this will be a shielded design. I am thinking about 125 to 150 dollars for the antenna; what are your thoughts? |
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