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Matching 4MHz Crystals (bill ncham) View |
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Homebrew Crystal IF Filters (bill ncham) View |
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BITX40 Rebuild Part 1.1 Crystal Filter Replacement (MiscDotGeek) View |
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DIY Variable Capacitor from copper pipes for FM Crystal Radio (BillyCdiy) View |
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Using the HP 8568B Spectrum Analyzer with the HP 8444A Opt. 059 Tracking Generator (CuriousMarc) View |
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KINETIS CLOCK (Eli Hughes) View |
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Make a Unique Heart for Someone Special !!! (Et Discover) View |
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Mechanical filter, Crystal filter, Ceramic filter, SAW filter and Switched Capacitive filter (Lim CC) View |
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Making a “Book” style variable capacitor (Chris Maness) View |
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Frequency divider by 10 or more (schem. u0026 demo with the 7490 TTL Chip + link to analog freq. meter) (radiofun232) View |