Re: bitx20 problems
Ham since '07, building a Bitx20 in '12? OK, have you built simpler in between? That should have taught you the basics of troubleshooting and given you some basic test-gear. A Bitx2o from scratch is
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Dexter N Muir
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#71157
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Re: VOX Issues to be aware of. Or, suspected new digital mode.
CODEC2 looks interesting. It seems to be a breath new life for older research and makes it work well thanks to modern DSP technology. The original researchers could not get past a certain technology
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Tom, wb6b
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#71156
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Re: bitx20 problems
#bitx20help
the circuit is from the transceiver has already been posted and is on your own website. here the circuit of the hf amplifier
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dries breughe
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#71155
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Re: bitx20 problems
#bitx20help
https://www.youtube.com/watch?v=NWi5he7hpZw [https://i.ytimg.com/vi/NWi5he7hpZw/maxresdefault.jpg]<https://www.youtube.com/watch?v=NWi5he7hpZw> bitx20 vfo -
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dries breughe
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#71154
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Re: bitx20 problems
#bitx20help
https://www.youtube.com/watch?v=ovY8Rv6Y_kE ________________________________ Verzonden: zondag 18 augustus 2019 20:22 Aan: [email protected] <[email protected]> Onderwerp: Re: [BITX20] bitx20 problems
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dries breughe
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#71153
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Reduced power on 40 meters.
#ubitx
#v5
Hi, I have the ubitx V5 board, and have reduced power on 40 meters. All other bands/frequency ranges? are fine. I am getting 10 or more watts out everywhere but 40 has about 6 watts. At tp7 before
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n8yg
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#71152
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Re: bitx20 problems
#bitx20help
The original BITX: http://www.phonestack.com/farhan/bitx.html Arv K7HKL _._
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Arv Evans
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#71151
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Re: bitx20 problems
#bitx20help
Ah, I see that Farhan responded, you're in good hands. The only problem I see is that he will tell you how easy it is. Which for him, it is, as he has debugged plenty of these radios. He might even
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Jerry Gaffke
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#71150
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Re: bitx20 problems
#bitx20help
the diagram
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dries breughe
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#71149
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Re: bitx20 problems
#bitx20help
That's a very long list of trouble. And? a rather old Bitx design. Most folks in this forum are now using either the Bitx40 or the uBitx from hfsignals.com. Radio circuits are seldom simple to get
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Jerry Gaffke
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#71148
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Re: bitx20 problems
#bitx20help
Knowing that I might open a can of worms, here I go: I have been monitoring this group for almost a year now, and have not seen any information posted on the original BITX20 during that time.? I also
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Evan Hand
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#71147
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Re: bitx20 problems
#bitx20help
Can you post a circuit diagram of your effort? Possibly with a picture of your build too? What kind of test gear do you have access to?
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Ashhar Farhan
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#71146
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bitx20 problems
#bitx20help
I have been a radio amateur since 2007. over the years I have made many contacts worldwide? using comercile radios like ts-450 and ic-703. because that is the easy way. nevertheless, I always thought
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dries breughe
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#71145
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Re: another stuck relay in TX mode
#ubitx
#bitx20
Yes, with 16v to the finals I get a few more watts. At 80m with 16V and 25w there is 1.6 amps running around -- and maybe more with spikes here and there? I've asked multiple folks on 80m (where I get
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Don - KM4UDX
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#71144
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Re: Carrier suppression on uBITX v5 - -35 to -40 dB ok?
Tom+++ I built an little Easy digi interface kit with small transformers, DC blocking cap, to bridge the ubix audio i/o to the laptop audio i/o.? Then I realized by laptop audio i/o jacks were all
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Don - KM4UDX
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#71143
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CW Transmit Trouble
#ubitxcw
Symptom: uBITX doesn't recognize the straight key. Electrically, the CW key line checks OK. Solution: Go to settings->CW->Hand key[Select]
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Jim Willis
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#71142
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bitx20 problems
I have been a radio amateur since 2007. over the years I have made many contacts worldwide? using comercile radios like ts-450 and ic-703. because that is the easy way. nevertheless, I always thought
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dries breughe
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#71141
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Re: ubitx s-meter swr-meter help
#bitx20
#bitx40
#bitx40help
#arduino
#calibration
Adrian, check out kd8cec video on his swr meter that connects to his standalone signal processor. I think that is the functionality you are trying to achieve? The Nextion to sketch code is a little
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Mark Hatch
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#71140
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Re: Antuino support group opened -- early antuino question
I agree. The nanoVNA cannot do all of the many things an Antuino can do, and vice versa.? Nor does either one replace an inline SWR meter. That said, the nanoVNA looks like a very nice addition to
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Jerry Gaffke
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#71139
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Re: VOX Issues to be aware of. Or, suspected new digital mode.
Tom, lol Snoring as a digital mode! I wonder if your brain in encoding some diagnostic information on the snore? Research funding? I wonder if the voiced/unvoiced decision could be ripped from CODEC2?
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bobolink
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#71138
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