Sunday, January 12, 2020
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Blogs and Websites and Groups
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February 5, 2025. Single versus Double Balanced Mixers - As homebrewers we have choices for the circuit topologies of the individual elements we use in our projects. You know things like the Balanced Modulator or...
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Transistor Radio Series -- KO4BB Frequency Doubler -- 3.5X to 7.X MHz - Greetings ### I continued to seek a frequency doubler - and started experimenting with emitter-coupled pairs to make the full-wave rectifier. After seve...
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40m Pelican Case SSB Trabsceiver - See YouTube channels for details: http://www.youtube.com/c/CharlieMorrisZL2CTM *Test code for the LCD and Si5351* #include ...
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Daylight Again – An all Analog Radio - What’s all this? In 10 seconds, A high performance, 7MHz, 5 watt SSB rig Draws just 24 mA of current 90 dB dynamic range, 80 dB close-in dynamic range 3D ...2 years ago
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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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SMA Torque Wrench for the NanoVNA (uncalibrated) - I have been using SMA connectors on most of my projects, and have occasionaly gotten a slightly different reading than I had expected. Using the NanoVNA, ...
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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 ...
7 years ago -
A Scratch-Build of N6KR and Wilderness Radio’s SST for 20M - Note – all links in this post open in a new browser window. Many thanks to Zach N0ZGO, for providing updated links. I have edited this article to reflect t...8 years ago
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E. Howard Armstrong on a Czech Stamp
Blog Archive
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2020
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January
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- WA2EUJ's NXP RF Power Amplifier Design Challenge E...
- Mountain Topping in Indonesia -- Very Cool Video
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- Lebanon's First Radio Website
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- Mr. Carlson's Lab Attacked by Dangerous Canadian S...
- Hack-A-Day and Copper Tape
- The End Fed Half Wave Antenna and EFHW Tuners
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- Mike WU2D on QSO Today with Eric Guth 4Z1UG
- Notes From the Dominican Republic on possible uBIT...
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- Contacts from the Dominican Republic
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
Not a Swiss station Bill, sounds like HS0ZME. Lovely QTH, I'm very envious.
ReplyDeleteGood ear Simon. Wow, this is what happens when you start messing about with the digital appliances (Iphones) and stop paying attention to incoming DX. I could have worked him! 73 Bill N2CQR
DeleteBill, looks like your "roughing it"..truly a beautiful spot..
ReplyDelete73 de AC9JQ