Re: Any Gerber Experts Round Here?
#kicad
#ubitx
Garbage in, garbage out. And when fabbing PC boards, you really don't want garbage. This world has way to many coffee mug coasters already. . A local software tool such as Gerbv or GerbView will allow
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Jerry Gaffke
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#58234
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Re: UBITX V3 TX GAIN VARIATIONS
Thanks Alyson!
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Gordon Gibby <ggibby@...>
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#58233
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Re: Any Gerber Experts Round Here?
#kicad
#ubitx
try messaging sellers direct instead of posting a job -- www.bitxmap.com ( http://www.bitxmap.com )
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Doug W
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#58232
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Re: CW PTT attack time to slow
#ubitx
Another user installed the KD8CEC software and found it to be an improvement. Changing the pull up will not help the issue.? The factory code is slow in recognizing keying. Allison
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ajparent1/kb1gmx
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#58231
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Re: uBitx Unfiltered
Allison had some good pointers on some first easy fixes to the uBitx in post ? ? ?/g/BITX20/message/57649 First and foremost, either fix the on-board transmit LPF routing somehow
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Jerry Gaffke
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#58230
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Re: Amplifier
#ubitx
#ubitx-help
#parts
Due to filtering issues and spurious outputs doing that is not recommended. If you do, familiarize yourself with telecommunications rules that apply to your country.? You may not be in compliance.
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ajparent1/kb1gmx
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#58229
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Re: Any Gerber Experts Round Here?
#kicad
#ubitx
You might find this amusing, but I already did this... and Fiverr responded with the following: Unfortunately, your Gig request "Gerber Files... Convert RS-274D to..." did not pass our review. It was
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Ben Holmes
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#58228
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Re: UBITX V3 TX GAIN VARIATIONS
Gordon, For better than 10W on 80 and at least 7 on 20.... Replace q90 with something better, BFR106 was good. MMBT2369 is ok. Replace the standing 3904s with 2n2222A(to18) part. Hint installing them
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ajparent1/kb1gmx
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#58227
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Re: Any Gerber Experts Round Here?
#kicad
#ubitx
I've had some luck with hiring on fiverr.com for totally unrelated small tasks.? Might be worth seeing what you can find searching "convert gerber".? Contact anyone that has a listing close to what
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Doug W
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#58226
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Re: CW PTT attack time to slow
#ubitx
This might be a possible fix:?https://qrpguys.com/ubitx-cw-conditioning-adapter
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Ben Holmes
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#58225
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CW PTT attack time to slow
#ubitx
Hi there, just finished a ubitx build and I am trying to use it with my K3NG arduino keyer. I have set the CW configuration to straight key. The keyer output is open collector. I get a nice sidetone
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Joop Stakenborg <joop.stakenborg@...>
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#58224
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Re: uBitx Unfiltered
I've side stepped that.? That has been done on every IRF510 amp in Bitx and a big handful more radios out there.??In every case my reaction to that is, it is insane.? ?Everyone I see I tell them
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ajparent1/kb1gmx
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#58223
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Re: uBitx Unfiltered
I still believe "there is a pony out there" .....small handful of parts and a good dual relay switched LPF board. 73 Kees K5BCQ? Isn't the rest of that is "I can smell it...." Yes ferrite and a few
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ajparent1/kb1gmx
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#58222
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Amplifier
#ubitx
#ubitx-help
#parts
Hello everyone I want to amplify the power by amplifier so i want the amplifier for it with simple so i want some suggestions
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??? ?????? <hamad.kalid@...>
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#58221
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Re: Any Gerber Experts Round Here?
#kicad
#ubitx
Yes... but look at how much fun I'll have! Provided someone here can help me figure this out!
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Ben Holmes
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#58220
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Re: UBITX V3 TX GAIN VARIATIONS
Thanks so much Allison --- now that I have a handle on the harmonics, working on Q90 will be one of my next projects. That looked like the easiest gain target.... I have read your posts earlier and
By
Gordon Gibby <ggibby@...>
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#58219
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BITX40 Saving Settings Issue
Just finished putting the BITx40 in an enclosure and most things are working.? I set it up first in the default configuration and tested per directions.? I then installed sketch v.1.28 per
By
hamhog1 <gwgrogg@...>
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#58218
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Re: UBITX V3 TX GAIN VARIATIONS
VEry annoying I attached three things and none followed the post! So 2n2222A datasheet 2n3904 data sheet and picture of said amp built on Kitsandparts board.
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ajparent1/kb1gmx
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#58217
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Re: UBITX V3 TX GAIN VARIATIONS
For the driver you need about 400mw and one 2n2222A would not do it maybe as push pull as I've run them as linear that way for 500mw. The big thing is the 3904 is high power?and trying spread the
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ajparent1/kb1gmx
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#58216
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Re: ATU for mBITX
I have one of the Chinese tuners, with the plastic, variable capacitors, that I built from a kit.? I found the adjustments to be very touchy and not repeatable.? I have since replaced it with
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Dennis Zabawa
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#58215
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