Showing posts with label homebrew. Show all posts
Showing posts with label homebrew. Show all posts
Tuesday, December 3, 2024

Pil Joo's Homebrew Superheterodyne Ham-Radio Receiver

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It is just very cool to see someone build a superhet and get it to work.  For so many years amateurs were told that "homebrew receivers...
Friday, November 22, 2024

Tezukuri and Chappy Happy -- Amazing Videos on Homebrew Radio (from Japan?) - Another 40 Meter Direct Conversion Receiver

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So around the time we were building 40 meter direct conversion receivers, someone else was doing something similar.  His product (above) is ...
3 comments:
Saturday, November 16, 2024

Video -- Mythbuster II Rig Gets a Front Panel -- Circuit Build Almost Done

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Yesterday I built a front panel for my Mythbuster II 20 meter SSB transceiver.  I used 1/8 inch plywood available from Amazon.  I cut holes ...
1 comment:
Tuesday, October 22, 2024

KA1MUQ's Amazing Homebrew Hybrid Rig

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  Nate KA1MUQ is still working on this rig and so has not yet produced any detailed schematics, but he sent this to us to show that true hom...
3 comments:
Wednesday, October 2, 2024

4Z4GE's Homebrew Tube SSB Transmitter from Israel, 1974

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https://www.nzeldes.com/Miscellany/SSB-rig.htm  Very cool. I like his description of how he found parts for this transmitter:   The power am...
2 comments:
Sunday, July 28, 2024

A Message from Walter KA4KXX -- On Bias Setting, the Joys of Al Fresco Rigs, Lawn--Sign Radio Base

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  Dear Dean KK4DAS: ... 3) Note that a rule of thumb I have used successfully in adjusting RF Power MOSFET bias is to increase the voltage i...
1 comment:
Tuesday, June 18, 2024

Amazing Homebrew from Japan -- 7L4WVU's All Homebrew Station

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Thanks to Roy WN3F for alerting me to this.  Tadashi-san has really built some beautiful stuff.  Especially impressive to me is his use of t...
1 comment:
Saturday, May 4, 2024

W4YWA's Homebrew Rig on 20 Meters

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  Ed W4YWA is far too modest -- he has built a very FB homewbrew transmitter.  Congratulations Ed.  I think your original plan to use a Web ...
8 comments:
Friday, March 22, 2024

W1QG's Cave Dust Twins (and other Homebrew Rigs -- SDR and HDR)

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I kind of arrived at Dick Benson's QRZ.com page by accident, but what a happy accident it was.  There is a lot of homebrew goodness on D...
Wednesday, February 14, 2024

We Get Mail! Red Poster? Really a Tapestry from Ecuador

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Listener Tobias was laid up yesterday, following the extraction of wisdom teeth. (This seems like an appropriate follow-up to our talk in So...
1 comment: