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#1
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I think it was after last summer that I saw a published magazine article
where someone had come with a new way, at least for me, to align a radio so that the dial would be calibrated throughout its range. IIRC he set the trimmer, padder and other adjustments just once or maybe twice. In the past I have set and reset all adjustments several times, each time cutting the error in half until I'm satisfied or worn out.. If anyone recalls the article I sure would appreciate knowing. It seems like it may have been Monitoring Times or Popular Communications, neither of which I subscribe to, but it could have been elsewhere, because my memeory isn't as good as it was because I was taking Lipitor, and have now quit. tnx hank wd5jfr |
#2
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![]() Henry Kolesnik wrote: I think it was after last summer that I saw a published magazine article where someone had come with a new way, at least for me, to align a radio so that the dial would be calibrated throughout its range. IIRC he set the trimmer, padder and other adjustments just once or maybe twice. In the past I have set and reset all adjustments several times, each time cutting the error in half until I'm satisfied or worn out.. If anyone recalls the article I sure would appreciate knowing. It seems like it may have been Monitoring Times or Popular Communications, neither of which I subscribe to, but it could have been elsewhere, because my memeory isn't as good as it was because I was taking Lipitor, and have now quit. tnx hank wd5jfr I think it was Electronics Weekly. Leon -- Leon Heller, G1HSM Email: My low-cost Philips LPC210x ARM development system: http://www.geocities.com/leon_heller/lpc2104.html |
#3
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For alignment of superhet RF/Local Osc receivers you may find program
OSCTRACK useful. Download and run in a few seconds from website below. Exact L and C, trimmer and padder values are computed for a given waveband. -- .................................................. .......... Regards from Reg, G4FGQ For Free Radio Design Software go to http://www.btinternet.com/~g4fgq.regp .................................................. .......... |
#4
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![]() "Henry Kolesnik" wrote in message ... I think it was after last summer that I saw a published magazine article where someone had come with a new way, at least for me, to align a radio so that the dial would be calibrated throughout its range. IIRC he set the trimmer, padder and other adjustments just once or maybe twice. In the past I have set and reset all adjustments several times, each time cutting the error in half until I'm satisfied or worn out.. If anyone recalls the article I sure would appreciate knowing. It seems like it may have been Monitoring Times or Popular Communications, neither of which I subscribe to, but it could have been elsewhere, because my memeory isn't as good as it was because I was taking Lipitor, and have now quit. tnx hank wd5jfr Hank, I came across this article on superhet alignment today: http://www.siliconchip.com.au/cms/A_30298/article.html Ray |
#5
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"Capoot" wrote in message ...
"Henry Kolesnik" wrote in message ... I think it was after last summer that I saw a published magazine article where someone had come with a new way, at least for me, to align a radio so that the dial would be calibrated throughout its range. IIRC he set the trimmer, padder and other adjustments just once or maybe twice. In the past I have set and reset all adjustments several times, each time cutting the error in half until I'm satisfied or worn out.. If anyone recalls the article I sure would appreciate knowing. It seems like it may have been Monitoring Times or Popular Communications, neither of which I subscribe to, but it could have been elsewhere, because my memeory isn't as good as it was because I was taking Lipitor, and have now quit. tnx hank wd5jfr Hank, I came across this article on superhet alignment today: http://www.siliconchip.com.au/cms/A_30298/article.html Ray Once you get it as close as you can, you can bend the plates of the air variable. This will align it in little band segments. Remember, the slug will align the low end of the band, then you can use the trimmer to touch up the high end, without much effect on the low end. Also, on older equipment, Ive found that sometimes you cant get enough induction out of the slug/coil. I think the slugs lose density over time, so you may end up rewinding the coil with a few more turns of wire. |
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