Re: Regarding CW mode on mbitx ver 3
Ishwarrao, The CW keying is voltage dependent so make sure to clean the key contacts good, if not it can cause this problem also. Skip Davis, NC9O
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Skip Davis
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#90953
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Regarding CW mode on mbitx ver 3
Hello Difficulties with the cw mode when doing cw keying suddenly dot signal dissappear Why this happens Anybody have suggestions Ishwarrao K S Vu3mug
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Ishwarrao Sutrave <ishwarraosutrave@...>
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#90952
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Re: Raduino32. New batch of PCB
#ubitxv6
#esp32
#raduino32
Muthu, So very sorry to hear of your loss. May you and your family be at peace. Ted K3RTA
By
Ted
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#90951
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Re: Ubitx V4 - What is RV4 supposed to do?
Hello Rich, One caution in using CW to measure the output on 40 meters.? There is a potential mismatch of impedance for 40 meters with the input of Q90 that causes the signal from the mixer to be
By
Evan Hand
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#90950
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Re: Raduino32. New batch of PCB
#ubitxv6
#esp32
#raduino32
HALLO DR.RAMON Thanks for your reply and sorry for my belated reply. My father became silent key suddenly and I am QRL in certain ritual rites for a fortnight. I will revert back soon. 73 MUTHU VU2LMN
By
LAKSH MUTHU
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#90949
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Re: Ubitx V4 - What is RV4 supposed to do?
Hi Rich, I dug out my notes and the resistors changed in the mic amp were R63 and R65. R65 was changed to 4.7K from 1K and R63 was changed to 10 ohm from 47 ohm. I replaced Q90 with a SMD 2N2222A and
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Skip Davis
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#90948
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Re: Adjusting the Smeter on the Raduino32
#esp32
#smeter
#raduino32
Of course, Ram¨®n. Appreciate your efforts in developing Raduino32 and looking forward to future versions of it. Best regards, Du?an, 4O6LEE
By
dulemilic97@...
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#90947
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Re: Raduino32. New batch of PCB
#ubitxv6
#esp32
#raduino32
Hi Arnie, Thanks for your interest. Sorry, it doesn't support Nextion display. The original uBitx v6 TFT screen or other 320x240 TFT screen with ILI9341 driver and SPI interface must be used. Ram¨®n
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ramonlh@...
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#90946
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Re: Raduino32. New batch of PCB
#ubitxv6
#esp32
#raduino32
I am very interested in ordering this. Is this compatible with the Nextion display? Gracias! 73 de Arnie W8DU
By
W8DU_Arnie
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#90945
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Oops SolderSmoke podcast #234
By
Bill Meara
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#90944
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SolderSmoke Podcast #224
https://soldersmoke.blogspot.com/2021/11/soldersmoke-podcast-234-pssst-kwm-1-vhf.html
By
Bill Meara
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#90943
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Re: V6 strait key issue
Thanks David, I didn't feel offended at all on the contrary, I'm glad you answered so precisely, let's not exaggerate, I'm not a "genius" but just a good electronic, with some years (unfortunately a
By
Loris Bollina
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#90942
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Re: Adjusting the Smeter on the Raduino32
#esp32
#smeter
#raduino32
Hi Du?an, It's on my to-do list. On the one hand, my knowledge in this area is limited and, on the other hand, I have doubts about whether to implement it on this board or on an additional board that
By
ramonlh@...
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#90941
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Re: V6.1 Blown output transistors and pcb trace
#v6
#ubitxv6-help
Thanks for the information, Gary and Evan! Guys like you two, Raj, and other make this group a great resource for all of us. Thanks for the measurements from your radio, Evan. ?If nice to know that
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Stan W1BOY
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#90940
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Re: V6.1 Blown output transistors and pcb trace
#v6
#ubitxv6-help
Hello Stan, To answer your first question, as received from the factory my v6 uBitx is drawing 730ma for the test when I press the mic PTT button and do not supply any sound to it.? I have not
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Evan Hand
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#90939
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Re: V6.1 Blown output transistors and pcb trace
#v6
#ubitxv6-help
Stan, Instructions were written prior to the added current draw of the TFT display. Yes, set the bias for 100mA increase like Raj and and instructions said.
By
Gary Anderson
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#90938
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Re: V6.1 Blown output transistors and pcb trace
#v6
#ubitxv6-help
I¡¯m using the instructions at https://www.hfsignals.com/index.php/ubitx-tuneup/ which is essentially what you have in your post, Raj, except for one detail. ?These instructions say with RV2 and RV3
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Stan W1BOY
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#90937
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Re: Adjusting the Smeter on the Raduino32
#esp32
#smeter
#raduino32
Good evening Ram¨®n, I was about to create a new topic for my ?question, but it¡¯s maybe better to post it here, not to make mess. Have you thought about adding a cw decoder function in your
By
dulemilic97@...
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#90936
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Re: Adjusting the Smeter on the Raduino32
#esp32
#smeter
#raduino32
Dear Muthu, please read this new thread:
By
ramonlh@...
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#90935
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Raduino32. New batch of PCB
#ubitxv6
#esp32
#raduino32
Hola, I have prepared a new batch of Raduino32 PCB with some modifications and improvements: * Some components have been relocated. * Since there are already stocks of the Si5351 chip, it has been
By
ramonlh@...
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#90933
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