Re: Best wishes to our friends in India
Farhan:
Know that you and the others are in our thoughts and prayers.
73, Jack, W8TEE
On Monday, April 26, 2021, 11:27:37 AM EDT, Ashhar Farhan <farhanbox@...> wrote:
Peeps The situation has been very depressing. It could have been handled much much better. The second wave has hit some of the cities very badly. They are out of beds, oxygen, drugs and vaccines. We lost many hams as well. Bhogi, who was probably a quiet member of this forum, died last week as did slokapriya, who also ran . People seem to have given up on distancing and keeping indoors. It is a bizzare situation. HF signals is working skeletally. I am fully locked up along with my family at home. We are a large house with 9 people. We play board games, carroms, bridge, read to each other and i am working on the SDR.? My partner and the man dude of HF Signals, Ehsan, is just recovering from a mild bout of Covid. Others are doing good. Thanks for your concerns and we hope to see you all in the other side of this nightmare soon. Keep the solder burning, stay safe. Use science to fight this. 73, f.
The news from India has been on my mind as well, check out the graph at the top:
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As the article suggests, the US could choose to better support other nations in this.
?
Jerry, KE7ER
On Mon, Apr 26, 2021 at 05:09 AM, Tom, wb6b wrote:
I see in the news that India is having a severe outbreak of Covid. Hope all is well for Ashhar and all our group members in India.
Tom, wb6b
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Jack, W8TEE
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Re: Best wishes to our friends in India
Hello,
I hope the situation will improve.
Normally, countries have to send aid to your country, which I think France is.
We are in the 3rd confinement.?This has been going on for a year.
The situation is never stabilized.
In addition, each time comes a new variant.
I had family who were sick and acquaintances died.
It is urgent that this stop and that we can finally take a vacation, but I have the impression that it will last for a while longer.
A civilization is said to last an average of 2,000 years. I hope that will not be the case.
Stay at home and apply protective gestures.
cdt
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Re: Best wishes to our friends in India
Everyone stay safe, be well.?
Our prayers for all to safely and quickly recover.?
73s,?
Thomas AD6TW
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Re: Best wishes to our friends in India
Peeps The situation has been very depressing. It could have been handled much much better. The second wave has hit some of the cities very badly. They are out of beds, oxygen, drugs and vaccines. We lost many hams as well. Bhogi, who was probably a quiet member of this forum, died last week as did slokapriya, who also ran . People seem to have given up on distancing and keeping indoors. It is a bizzare situation. HF signals is working skeletally. I am fully locked up along with my family at home. We are a large house with 9 people. We play board games, carroms, bridge, read to each other and i am working on the SDR.? My partner and the man dude of HF Signals, Ehsan, is just recovering from a mild bout of Covid. Others are doing good. Thanks for your concerns and we hope to see you all in the other side of this nightmare soon. Keep the solder burning, stay safe. Use science to fight this. 73, f.
The news from India has been on my mind as well, check out the graph at the top:
? ? ?
As the article suggests, the US could choose to better support other nations in this.
?
Jerry, KE7ER
On Mon, Apr 26, 2021 at 05:09 AM, Tom, wb6b wrote:
I see in the news that India is having a severe outbreak of Covid. Hope all is well for Ashhar and all our group members in India.
Tom, wb6b
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Re: Best wishes to our friends in India
The news from India has been on my mind as well, check out the graph at the top:
? ? ?
As the article suggests, the US could choose to better support other nations in this.
?
Jerry, KE7ER
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On Mon, Apr 26, 2021 at 05:09 AM, Tom, wb6b wrote:
I see in the news that India is having a severe outbreak of Covid. Hope all is well for Ashhar and all our group members in India.
Tom, wb6b
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Best wishes to our friends in India
I see in the news that India is having a severe outbreak of Covid. Hope all is well for Ashhar and all our group members in India.
Tom, wb6b
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Re: uBITX V6 LIMITING POWER OUTPUT
Hi Muthu, For issue #2, the thread to read is /g/BITX20/message/55362Diode isolation of those big 47uF caps?for Audio circuits from the 'RF' circuits. (which I only recalled after a few hours of playing with my new toy scope, firmware hacks for debugging/correcting this, and looking for stored energy somewhere :) IMO, it's not a power 'spike', it's pretty dirty RF out. Were the spurious emissions checkers just looking at steady state, or I'm missing something?? My V6, going into TX in CW mode:? ~28ms of spurious, then things clean up.? At this time, C52 has discharged to 2.75V The?emissions start before CW_KEY is pulled to 5V. I haven't looked using the original firmware. (I am using Reed's) I have not yet tried / verified the diode isolation hardware fix.? (why wasn't the hardware revised for V4+, if this the fix for this issue? ) Rgds, Gary
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Re: radio will transmit CW but not voice
Andrew, In the video: Go to the 10minute mark for the third step in the full calibration process (though if you did the prior steps then the frequency calibration could be off and you will have to do that part again). Here is the BFO Tuning Aid link: It does require a Chrome browser.? Edge or Internet Explorer does not seem to work.? You also need an antenna connected and the ?BITX tuned to an open frequency.? I have not been able to get my iPhone or iPad to work with the aid, even when I have loaded and use the Chrome browser.? It does work with all of my laptops and desktops with a mic. The instructions on the BFO Tuning Aid page are:
- 1. Attach your hands-free to your phone or computer
- ? ? ?NOTE: This means a microphone that is connected to your computer and is allowed access by the Chrome browser.
- ?
- 2. Keep the mic an inch away from the radio¡¯s speaker.
- ? ? ?NOTE: I have found the best results when I use a set of over-the-ear headphones connected to the phone jack on the ?BITX and the mic placed in one of the ear cups.? Adjust the volume so that the "noise plateau" appears.? Too high and the plateau is buried in all of the noise signals.? Too low and the full 2500Hz of audio is not visible.?
- ?
- 3. In the settings, choose ¡°Setup BFO¡±. Tune the knob until the noise graph is centered approximately between the two red lines of 300 Hz and 3KHz
- ?
- 4. Press the encoder button again to save the settings
- ? ? ?NOTE:? Be sure to record the value of the number on the screen for future reference.? When you go back to calibrate the BFO? again it does not display the prior saved value.
- ? ? ?NOTE 2:? You do need to power the ?BITX off and then on again after pressing the tuning knob to use the saved values.
Note on the full calibration process: There are 3 steps that form the basis for the calibration process that is described in the Ashhar Farhan video: 1 - Adjusting the BFO so that you can hear the low-frequency audio tones that are beating with the AM carrier of the known frequency AM broadcast (This can be a signal generator if you know that the generator is calibrated) 2 - Adjusting the calibration of the Master Clock in the ?BITX Raduino.? This is where you are finding the point where the audio beating just goes away. 3 - Readjusting the BFO for best speech and opposite sideband suppression.? This is centering the noise plateau to be between the two lines slightly to the right of the center.? The right edge of the plateau should be on the red 3000Hz marker line. When doing the full calibration steps you do need to power off the ?BITX between each step.? This is to ensure that you are using the saved values from the EEPROM.? This is stated in the video. Everything that you are describing points to first the BFO, then the mic, then the mic preamp. 73 Evan AC9TU
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Re: uBitx v1 kit for sale
Just FYI it's been sold.
Thanks,
Jeff?
KE8BLW
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Re: radio will transmit CW but not voice
I bought a cheap baofeng microphone thinking that the pinout for it was correct to accommodate the wiring on the radio.? Now I have no idea if that is the case or not.? I bought a 4 pin microphone and hooked it up to a stereo microphone plug but that doesn¡¯t work either.? I tried to the calibration, but the instructions in the youtube video are terrible.? Now the volume from the speaker, at 100%, is barely audible.? I wanted to go back and recalibrate, but I can¡¯t because the speaker volume is too low.? There is so much documentation on line but it is all confused between the various versions of the ubitx.? I cannot tell what the connection for the microphone should be.? It appears that from the ubitx40 to the ubitx v6 the pinout changed. ? The microphone I bought was an astatic 4 pin model D104M6b.? The pinout is below. 1 = shield 2=audio 3 =ptt 4=receive ? I connected it up as 2 tip of 3.5mm jack, 3 at center of jack and 1 as end of jack.? I left off the 4th connection.? I think the microphone works.? I still get no sound out.? When I push the button on CW I do get a tone and it broadcasts. ? I still think the unit does not transmit on voice.? I can receive signals now but again the volume is so incredibly low I cannot hear it with the speaker.? There is now an offset in the tuning frequency to the true frequency of about 4,000 Hz. ? I did a hard reset on the stupid thing by holding in the knob and turning it on.? That didn¡¯t help the volume problem.? It is still barely audible.? So it doesn¡¯t help with the calibration.? Now the menu says I should hear a tone of 10,000 kHz and adjust the signal to zero beat.? I really can¡¯t hear anything so I have no idea what to do. ?
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From: [email protected] < [email protected]> On Behalf Of Arv Evans Sent: Sunday, April 25, 2021 6:56 PM To: [email protected]Subject: Re: [BITX20] radio will transmit CW but not voice ? There are several on this group that might be interested in helping to get your uBITX V-6 work on SSB as well as CW.? Given the thousands of uBITX that are in regular use, it cannot be all that difficult.? Circuit design in the uBITX is not all that complex.? The voice part just amplifies the microphone and uses that voltage to unbalance one of the mixers to produce DSB, which is then filtered to change that to SSB. ? Does anyone want my ubitxv6?? I am done.
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(admins please let me know if this isn't allowed)
I have a uBitx v1 kit that I bought a few years ago for ~$100, I haven't had a chance to work on it so I'm putting it up for sale, $70 + $15 USPS shipping to the US or $70 for local pickup in the Capital Region of Upstate New York.
Thanks,
Jeff
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Re: radio will transmit CW but not voice
There are several on this group that might be interested in helping
to get your uBITX V-6 work on SSB as well as CW.? Given the
thousands of uBITX that are in regular use, it cannot be all that difficult.?
Circuit design in the uBITX is not all that complex.? The voice part just
amplifies the microphone and uses that voltage to unbalance one of
the mixers to produce DSB, which is then filtered to change that to SSB.
Arv? K7HKL _._
Does anyone want my ubitxv6?? I am done.
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Re: radio will transmit CW but not voice
Yes, I do, but I live in Brazil. you will charge how much
Does anyone want my ubitxv6?? I am done.
--
Atenciosamente.
Carlos Fraga
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Re: radio will transmit CW but not voice
Does anyone want my ubitxv6?? I am done.
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Re: radio will transmit CW but not voice
Those spaces were designed to permit adding a cw filter in parallel.?
Curt
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Re: radio will transmit CW but not voice
Are the parts in the circle missing or should they not be there? 
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Re: Cw Finals seem very warm and power output lower
On Sat, Apr 24, 2021 at 08:32 PM, Curt wrote:
I imagine there are numerous ubitx with fans pictured on the web - so go on a tour!?
Ahh yes, the ole just because others have done it, it must always be correct. Because people have always used parts outside their design specifications we will have to do that in all eternity.? The hobby is full with those statements .I sometimes wonder how humanity ever was been able to leave caves and evolve lol.
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None of TSW offerings support the Nextion.?
All info is at
Ron
On Sunday, April 25, 2021, 1:18:06 AM EDT, Robert AG6LK <amrmedic@...> wrote:
Jim,
I¡¯d be interested in purchasing the Teensy 4.1 adapter kit from you. I have the uBITX v6 so it sounds like there wouldn¡¯t be any problem with the conversion. I have the Nextion 5¡± Enhanced Display. Will your adapter work with this display? ?I¡¯m not sure how to go about finding your email address, Can you provide your email address for me or explain how I would go about getting it? Thank you in advance.
73,
Robert, AG6LK?
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Jim,
I¡¯d be interested in purchasing the Teensy 4.1 adapter kit from you. I have the uBITX v6 so it sounds like there wouldn¡¯t be any problem with the conversion. I have the Nextion 5¡± Enhanced Display. Will your adapter work with this display? ?I¡¯m not sure how to go about finding your email address, Can you provide your email address for me or explain how I would go about getting it? Thank you in advance.
73,
Robert, AG6LK?
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Gerard
Thomas White AD6TW
