[MEDIA] This experiment to give Wes Hayward's (W7ZOI) Termination Sensitive Amplifier an AGC prompted Wes to do a re-think of this iconic...
https://soldersmoke.blogspot.com/2021/11/kg7trs-magnificent-75s-2b-receiver.html Oh man, I share this with much trepidation because the last time...
If you own one of these, what do you use it for? [MEDIA]
[IMG] Hi all - I decided to add some big-boy shes to my homebrew QRP rig. I decided to build the 16 watt power amplifier designed by EI9GQ,...
Super excited to share a progress report on the Vienna Wireless Society Simple SSB project that I have posted about previously. After about 6...
Shorting sticks were once a common sight on the homebrew workbench. Many folks made their own. I am interested in finding out if any folks still...
I've published an article on QRPer.com that describes how to add BHI Ltd.'s noise reduction to the IC-705 by tapping into the low level audio. I...
I'm nearing completion on a pair of 813's for 20 meters, grounded grid. Plate Pi-net is tuning properly as verify with my trusty Millen GDO....
Hello from France everyone, A little intro first, I am making ham devices for my father who's a licenced (F4IHU) ham that has been away from the...
I'm designing a grounded grid amp for 20M using two 813's. Tube spec shows output capacitance of 14pf per tube. So in my tank calculations I...
I'm beginning to design a grounded grid amp for 20M SSB using two 813's . Plate voltage about 2100 or so. I only have about 50 watts driving...
My fun project during Covid19. 13 tubes, 6146 final. Details in the Feb 2021 issue of Electric Radio. [IMG]
Thinking about my next antenna after 80m OCF dipole, hanging between trees (and not high enough yet), and I want something with better gain for...
when amateurs used to build their own gear , i like making stuff - even simple accessories like an adaptor for a speaker stand to mount an...
While it's nice to see the occasional new guy on here, like the title asks, what can we do to be more interesting to the new (& old too) blood out...
I need some lightweight shielded wire to carry RF (HF) inside the chassis. What should I use? I'm so tired of scrounging around for bits and...
The other night, I heard some elmers ragchew about people who sell homebrew vhf/uhf equipment. One of them mentioned that he had recently...
[MEDIA] Hi all - A signal generator is one of the most useful tools for building and tuning rigs. The AD-9850 Direct Digital Synthesize module...
The video shows the construction of my mast from the truss segments of the Russian R404 set. Includes English subtitles [ATTACH]
Forgive me for what must be a very sad attempt at a 14.6 MHz low-pass filter, it's my first one ever. It should have what it needs. There's a...
