K.P.S. Kang provides us with some great ideas for simple VXOs. He includes an intriguing reference for a 5 MHz circuit useable in a BITX. Tell us more OM!
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Friday, July 21, 2017
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Blogs and Websites and Groups
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40m Pelican Case SSB Trabsceiver - Test code for the LCD and Si5351 #include #include static const long bandStart = 7000000; // start of VFO r...
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SARC Bi-weekly Bulletin - January 21, 2025 Issued during the first and third week of each month, it provides a quick reference for member activities, resources and links for the f...10 hours ago
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Notice: 145 MHz Activity Period for the UK & Ireland - Sun 26th Jan 2025 - The *145 Alive Group* are organising an activity period on the 2m amateur radio band in the UK & Ireland on *Sunday the 26th of January 2025* from 12:00 ...
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January 21, 2025. More Low Power Suggestions. - For starters, visit Todd's K7TFC website: https://www.mostlydiyrf.com and load up on the really good stuff. The reason I start with this is that Todd sent m...
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Part Obituaries continued : R.I.P -- dear J310 - Greetings ### I'm working on a common gate RF amp using the ubiquitous RF home brewer's JFET, the J310. I happened to go on DigiKey and Mouser. Here's w...
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2000 47pF Caps ... - An unexpectged package arrive in the mail today. Did you ever wonder what 2000 47pF NP0 capacitors look like? Thanks to John, AB2XT I will never run ...
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Other Electronic Projects • Re: Can I normalize both Mono Amp Outputs? - radm49 wrote: ↑ Mon Apr 25, 2022 3:56 am qmavam wrote: ↑ Thu Apr 21, 2022 8:57 pm Yes, you can use a wall wart for power, you might need to add a capacit...2 years ago
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Raduino as NBFM TX - Here is a neat, 30 minute hack for your Raduino to turn the Si5351 into a pretty stable, solid NBFM transmitter. The hack is to add a varactor diode in ...
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QRP Labs shop! - [image: Shop] All QRP Labs kits may be ordered online securely at the shop, with PayPal payment. *Click here to visit the shop!* *Click!* *Shop! Order...9 years ago
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Courtesy Of F5VJD – A Working G4JST/G3WPO DSB80 80M DSB Transceiver! - As I’ve explained in earlier posts, my interest in the G4JST/G3WPO DSB80 rig goes back a long way – back to the mid 1980’s in England when I read the descr...12 years ago
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Hans Summers Homebrew Radio, Electronics and Computing - Radio, Electronics and Computing Projects by Hans Summers I make no claims for technical accuracy, good design, or necessarily even originality for the co...15 years ago
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E. Howard Armstrong on a Czech Stamp
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- Excellent Description of the Electret Microphone
- Dino's FB W1FB Crystal Tester
- And Now For Something Completely Different: 70cm FM
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
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