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Date
Re: CW Spot
Here on the uBitx groups.io.
By Matt Towe · #80155 ·
Re: LM386 CONNECTION
Hi, Apparently mine is far past due for failure. But it is okay because I have several 386s in the drawer. On the other had I may have one of the chips that was *not* an imposter. Those were mentioned
By Bill Cromwell · #80153 ·
Re: LM386 CONNECTION
er ...not quite ...my version 3 was wired directly to speaker (no trs jack for phone) and ran ONLY on 12 volts amp failed after about 3 months ..simply overspecified chip ...pure and simple Jim
By jim <ab7vf@...> · #80152 ·
Re: LM386 CONNECTION
Hi, My V3 has the original chip (not the one identified as sissy) and I run it from 13.8 volts regularly. I *never* plug/unplug earphones/speakers, key/paddles, mic, nor antenna with power turned on.
By Bill Cromwell · #80151 ·
Re: LM386 CONNECTION
Rajesh Huddar, I have been monitoring this board since 2018, and have not read of distorted audio solved by replacing the TDA2822.? I have read of failures like MVS Sarma has stated where they caused
By Evan Hand · #80150 ·
Re: LM386 CONNECTION
Every uBitx I've looked at the schematic for, IF WIRED CORRECTLY, the wiper of the volume pot will go to the amp. Remove the existing wire from the wiper of the volume pot and run a new wire from the
By Vince Vielhaber <vev@...> · #80149 ·
Re: LM386 CONNECTION
Rajesh Huddar, The short answer is yes, someone has.? The bigger question is how to connect the version that you have.? The connection will depend on the uBITX mainboard version.? Version 5 and
By Evan Hand · #80148 ·
Re: LM386 CONNECTION
I fell that calibration is not related to lm386 or tda2822 ir discrete audio. Some one said that. I say this Msny say many things. It is for you too to try to analyse. Namaste.
By MVS Sarma · #80147 ·
Re: LM386 CONNECTION
Hi Thanks for the revert. I wish to use LM386 as my audio is distorted and garbled. Someone told.me that I need to calibrate while another input is to use LM386. Inputs will be much appreciated.
By rajesh huddar · #80146 ·
Re: LM386 CONNECTION
In v5 and v6 only lm386 has been used. Even in ver 3 the component failed only because of plugging mono external speaker pin into stereo socket. Secondly it failed due to higher voltages lije 13.8 or
By MVS Sarma · #80145 ·
Re: kit projects agc kit not working
email sent this morning, thank you Dave for the reply.
By joe@... · #80144 ·
LM386 CONNECTION
Hi, Has anyone tried to connect LM386 instead of the stock audio chip. If I may request for the schematic. Thanks Rajesh VU3RHU
By rajesh huddar · #80143 ·
Re: CW Spot
Where is here? BruceN/K4TQL -- "To invent, you need a good imagination and a pile of junk"? -- Thomas Alva Edison (1847-1931)
By BruceN · #80142 ·
Re: Ubitx v6.1 cat control
Michael, I had issues with the FT-817 radio selection with my v5 uBITX.? I tried the Yeasu FT-857 radio with 38400 baud, 8 data bits, 2 stop bits, None for the handshake, PTT CAT, Mode USB, and None
By Evan Hand · #80141 ·
Re: Ubitx v6.1 cat control
I think this may be due to problems on the reset line of the nano. It should be documented so do a Google search as there are a number of solutions, depending on what will be best for you.
By howard winwood G4GPF <winwoodh@...> · #80140 ·
Re: shop.kit-projects AGC board. Seeking install instructions
No worries just happy it made it. 73 -- David N8DAH Kit-Projects.com ( http://www.kit-projects.com ) Shop is open! ( Https://Shop.Kit-Projects.com )
By N8DAH · #80139 ·
Re: shop.kit-projects AGC board. Seeking install instructions
Thanks, David. The Google works so well for me that it didn't occur to me that it tossed it in the spam folder. I found 3 messages! I'll need to get in the habit of checking there first before I start
By Dan D'Eon · #80138 ·
Re: shop.kit-projects AGC board. Seeking install instructions
Dan, Check your junk mail I sent you all the info when you requested it. 73 -- David N8DAH Kit-Projects.com ( http://www.kit-projects.com ) Shop is open! ( Https://Shop.Kit-Projects.com )
By N8DAH · #80137 ·
Re: Ubitx20
All my trouble came from the fact that none of my computers had the correct usb driver. You need the ch340. A search here should turn up the specifics .... that's how I chased it down.
By Matt Towe · #80136 ·
Re: shop.kit-projects AGC board. Seeking install instructions
I did a?Startpage.com - The world's most private search enginesearch for "ubitx agc board" and got a bunch of hits. | | | | | | | | | | | Startpage.com - The world's most private search engine
By Bob Lunsford · #80135 ·