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If it is done cleanly it could look quite nice. Specifically small copper lugs can be soldered on the bottoms of the existing control relay pins to attach to braided core Cu wires which are then hot

They are marginal at best... save your Money and get a better tuner... -- 72 and God bless KD4EPG

Yes, it would be a lot easier to simply disable the LPF's and use external filters. As per the final sentence here from long ago, keeps things very simple:?? ?

My thinking is that this whole discussion of butchering the uBITx board and cobbling in another board that, in itself, will have some sensitivities to things like cable runs and connections etc. will

The flaming obvious and yet trivial? has? just occurred. How are people going to mount the PCB as shown ?? Three hole posns at a minimum will be required for say 3.4mm holes.? Edge distances have

I dust did. An interesting article with lots of good information. http://sp-hm.pl/attachment.php?aid=413 Tom, wb6b

He is getting a laser cut acrylic version. I offered to print a few if he provided the material to produce the object . Instead they went with laser cut acrylic.? Ill get s copy of that object in

I am sure I missed this topic, but my keyer worked fine until I upgraded the firmware to KD8CEC's V. 1.095 for use with my 4.3-inch Nextion?display. Since the upgrade, I can only use a straight?key.

On w0eb.com webpage is NANO software that implements interrupt driven CW generation. Also eliminates the voltage divider scheme. Also eliminates the need to switch between straight key and paddle as

I'm convinced Hans did a good job. Especially after seeing this in his post: ? "I am very grateful to Allison KB1GMX for her advice, encouragement, support and testing during the development of this

Jerry KE7ER, The key to make it fly is layout to avoid ground loops and parasitics and attention to cooling and that includes the BS170s. There are pictures of his board. and for that fact the

Joop, IF you don't mind grinding code where are many possible fixes. I would suggest looking at V4.3 as it is a bit cleaner and more current. The biggest issue is the software is a big loop and CW ke

Jim, Mine has survived accidents to much more than 20W.? And now the rest of the story... cockpit error... Running QRP SSB QSO and we were getting fading on 40 so I hit the switch for the EBY amp

Jerry, If you have been reading I've mentioned I have several amps that actually do work... Bag, cat, QSX amp.? I've been beating the crap out of one and its by far one of the most solid designs to

Thanks, David A Posthuma, WD8PUO 1 (616) 283-7703 Sent: Friday, August 31, 2018 9:00 PM To: [email protected] Subject: [BITX20] 4.2” Nextion Bezel? David, Here is a two step process to get a black

David, Here is a two step process to get a black plastic bezel for your Nextion display. First, go to the ITEAD website and down load the 3d bezel zip file for the size of your display and unzip to

Karma for not building an AM-FM radio design? (as per your group designator ). ?? Karma that is coming for making Irrelevant and meaningless posts on a technical forum ? *and perhaps doing a bit of

Hans let the cat out of the bag here:?? ? ?/g/QRPLabs/message/26092 He's using a couple BS170's in push-pull to drive the IRF510's on the QSX. They look ideal. Ideal in that they

perhaps my terminology wasn't clr.? Relay in resting state: Loss from 12 to 16 (NO contact, *uBITX pinout* ) is ~ -34dB at 30MHz Loss from 12 to 1 (to NO contact of the opposite side) is ~-39dB Loss