uBitx board and raduino FS
For sale is the ubitx board and raduino. As mentioned in this thread, I couldn't get tx to work: /g/BITX20/message/38280I don't have the diagnostic eq or time to figure out what the problem is. Just the boards. $50 shipped in the CONUS. Paypal for payment. Email directly, thanks. 73, Joe
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Re: #ubitx new Alternate software for the uBITX
#ubitx
Carl Beck go to .com and look at uBITX and Technical Details you will there find info on using the Arduino IDE for the Arduino Nano to compile and upload the software to the uBITX through the USB port on the Raduino card. ?The language is the Arduino version of C.
W0EB
------ Original Message ------
Sent: 1/22/2018 12:05:24 PM
Subject: Re: [BITX20] #ubitx new Alternate software for the uBITX
I see posts about software (I assume Firmware).? However I have not see any details on how to upload software into the uBITX.? I do not see any connection on my uBITX board.? Also I see words that say they compiled the software; What compiler is used and where do you get it?? What language is the software written in?
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Re: #ubitx new Alternate software for the uBITX
#ubitx
Here's a start. It was written for the Bitx40 but it is the same except for the source code. /g/BITX20/wiki/Raduino-Topics
There is a mini USB connector on the Raduino board Farhan links the original source in the uBitx description Links to other sources are found in this forum
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This sounds so wonderful. Can’t wait for my ubitx
Joe
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On Jan 22, 2018, at 1:09 PM, Tilman D Thulesius < sm0jzt@...> wrote: I was planning to do the same.?
Put a SMA-connector on the back and route the signal from the 45 MHz IF (before 45 MHz filter).
The SDR -RX will probably be a SDR-Play
Syncing frequency will be don by using the FT-817-CAT given.
What design for the buffer amp do you suggest ?
/ Tilman
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I was planning to do the same.?
Put a SMA-connector on the back and route the signal from the 45 MHz IF (before 45 MHz filter).
The SDR -RX will probably be a SDR-Play
Syncing frequency will be don by using the FT-817-CAT given.
What design for the buffer amp do you suggest ?
/ Tilman
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Re: #ubitx new Alternate software for the uBITX
#ubitx
I see posts about software (I assume Firmware).? However I have not see any details on how to upload software into the uBITX.? I do not see any connection on my uBITX board.? Also I see words that say they compiled the software; What compiler is used and where do you get it?? What language is the software written in?
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Thanks Joel. As César is also in Barcelona I wondered if there
was a local source for it.
73.
El 22/01/2018 a las 18:44, Joel
Caulkins escribió:
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I have this exact
same case on back order from Circuit Specialists and I planned all
along to mounting the finals to the back of the case. I have used
these same cases on other rigs and they have good heavy duty back
and front panels that dissipate heat very well. Nice cases.
Joel
N6ALT
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Perhaps you saw Don Cantrell's build here:
? ??
Note that on the uBitx, the two IRF510 mounting tabs (connected to the drains) must be kept insulated from each other.
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On Mon, Jan 22, 2018 at 09:50 am, Xcott Craver wrote:
I recently saw a picture like this where someone placed a slab of aluminum between the IRF510 pads and the case wall, in order to make up for the margin between them.? Of course, the slab was insulated from the IRF510s.
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Hi,
I recently saw a picture like this where someone placed a slab of aluminum between the IRF510 pads and the case wall, in order to make up for the margin between them.? Of course, the slab was insulated from the IRF510s.
My case is too big, on the other hand; and I just found some big old CPU heat sinks in a junk drawer.? I'm tempted to drill and tap them, and then see how high I can take the output power.? But that will have to wait until the summer, because this kit has to work for a project this semester.
Thanks, Xcott K2CAJ
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I have this exact same case on back order from Circuit Specialists and I planned all along to mounting the finals to the back of the case. I have used these same cases on other rigs and they have good heavy duty back and front panels that dissipate heat very well. Nice cases.
Joel
N6ALT
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Re: ubitx with my Cabinet
Hi Tim
This is the trial cabinet
In my usual production cabinets the rear panel is electroplated with an
unpainted window for the IRF tab mounting for heat sinking
You may see my Facebook for my bitx40 cabinets with pictorial details , same
will be followed with the ubitx rear panels
Will update pics soon as I receive the ubitx cabinets
best 73
Pop
VU2POP
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-----Original Message----- From: [email protected] [mailto: [email protected]] On Behalf Of Tim Gorman Sent: Sunday, January 21, 2018 9:26 PM To: [email protected]Subject: Re: [BITX20] ubitx with my Cabinet Does your case get hot at all with the 510's mounted to the back panel? tim ab0wr On Sun, 21 Jan 2018 20:16:44 +0530 "Prathap Naidu" <vu2pop@...> wrote: Hi all
My new year & birthday wish came a bit late but feels great to have
the ubitx in my new cabinet
Farhan had given me a first beta ubitx some months ago for testing and
works great
In these pics you will see the latest ubitx wired up into my new
cabinet this afternoon and had many QSOs this evening, with very good
reports
More details on my facebook page
Enjoying homebrewing & ubitxing
thanks 73
Pop
VU2POP
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César EA3IAVNO! The transistor tab has +12 volts on it.? You can attach it to the chassis but must
use some sort of insulated mounting to avoid shorting your power supply to chassis ground.
Arv K7HKL
_._
On Mon, Jan 22, 2018 at 6:43 AM, César EA3IAV <Cesarleon@...> wrote: I have receiver the bix but it is so tight that the heat sink provided in the ubitx exceed the size just a little. I could bent them or something but i guess i can just screw the transitor on the box itself right? I guess I need insulation
 
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Hi César,
Where did you ger that enclosure?
Thanks.
El 22/01/2018 a las 14:43, César EA3IAV
escribió:
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I have receiver the
bix but it is so tight that the heat sink provided in the ubitx
exceed the size just a little. I could bent them or something but
i guess i can just screw the transitor on the box itself right? I
guess I need insulation
 
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Re: ubitx and I2C LCD noise
On 01/22/2018 08:34 AM, Rod Self wrote: Hi All,
Be aware on the projects where I have used an I2C LCD I get a burst of
noise in the receiver at display-update-time. While
the display is not being updated, the noise is low enough that 0.1 uV
signals can be copied.
I suggest it would be worthwhile to use one of the freed-up digital pins
to control an audio mute during the display update period.
Rod KM6SN Look at your code a bit closer. I had the same thing with a CB to 10 conversion I did. I have a 400 p/r encoder on it and can move in either 1Hz or 1kHz increments and no noise at all. It was all in how I was updating the display. That code isn't currently handy so I can't post it, if I can dig it up in the not too distant future I'll post it. Vince. -- Michigan VHF Corp.
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Re: #ubitx and 6 meters
#ubitx
50 MHz is a problem simply because the IF is at 45 MHz, very close to 50 MHz. Instead, you can try a converter. An ADE-1 (or a diode mixer made with 1N4148s) fed by a single 2N3904 as an oscillator at 27 or MHz should bring in a lot of local signals. The converter will output at 50-27 = 23 MHz. You can make do with a doubly tuned circuit in the front-end. A pair of bidirectional RF amplfiers, exactly similar to what the ubtix uses will prop up the noise figure and over come the? band pass filter losses.
On Sun, Jan 21, 2018 at 11:51 PM, Tom Christian <tmchristian@...> wrote: Thank you for testing that, Marco!? I really appreciate it!? Thanks also for the comments, Bill.? When my ubitx finally arrives, I'll do some follow up.
Tom
AB7WT
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Beware of your speaker! Twice I've been fooled by what I thought was a def rx'er. Turned out to be a bad internal speaker both times. The frame of the speaker can be easily bent by certain mounting methods - resulting in distortion.
My BITX40 case has a 2"? 8 ohm 0.25 W front facing speaker. Fantastic audio. Trade out front panel space for better sound if you can. Test your speaker before you mount it in a case. It's always been a pet peeve of mine that most commercial rigs put speakers on the top or bottom of their enclosures. Put an external speaker jack on the rear panel. Remember that sound is in the "ear" of the beholder.
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Thanks for the concern Farhan. Almost back in action. PCB is about 60-70 % done. After returning from Hyderabad fest I will expedite the design.
73
Rahul VU3WJM
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Re: #ubitx new Alternate software for the uBITX
#ubitx
Couldn't we have both without any board mods or LCD changes by using digital lines 5 & 6 for key/paddle, line 2 for PTT & encoder switch with the resistor trick and still have line 1 (A7) for an S meter?
???? Bob?? KD8CGH
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Re: #ubitx new Alternate software for the uBITX
#ubitx
Jim's work and using the I2C interface should let you have both. Check out the code he and Ron posted.
Jack, W8TEE
From: KD8CGH <rkayakr@...>
To: [email protected]
Sent: Monday, January 22, 2018 7:05 AM
Subject: Re: [BITX20] #ubitx new Alternate software for the uBITX
It might be time to look at sensing PTT and the encoder switch by an analog input to free up lines. Neither of these inputs requires the fast response of CW keying so you could carefully debounce the switches. I also wouldn't expect both to be pressed at once.
Frankly, if it comes down to a choice I'd rather have functioning CW than an S meter.
??? Bob?? KD8CGH
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Re: Release beta version of CAT support uBITX firmware.
#ubitx
You might consider the RD15HVF1 part instead… it’s a little less gain (14db instead of 16db) but it has a much flatter input impedance with frequency from 1-150 mhz.? One side benefit is that it will easily work on 6 meters too (with the right selection of transformer material of course). ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: Like us on Facebook! ? ? email:? bill@... ?
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From: [email protected] [mailto:[email protected]] On Behalf Of Dave Bottom
Sent: Monday, January 22, 2018 3:33 AM
To: [email protected]
Subject: Re: [BITX20] Release beta version of CAT support uBITX firmware. #ubitx ? Ian, Jim and Ron, Ian, I see you have are also looking at Jim's and Ron's work on the revised Keyer and Tuning Steps.? ?These should definitely be merged at some point along with your other fixes.? ? This is going to be an awesome radio with the combination of all of the work you folks have done these past few weeks. With these behind us I want to work on getting consistent power output across 80-10M.? I have an old PA with a pair of IRF520 or 30's can't remember which and it puts out between 35W and 22W (80-10M) running off a standard 13.8VDC Astron supply.? If the driver stages are OK I will try the Mitsubishi RD16HHF1 MOSFETs. I only have Sundays generally to work on this unless I sneak in a few minutes once and a while and I will be away for nearly one month so I will be anxious to see all of the firmware mods ready to upload to the uBITX when I get back. ? On Sun, Jan 21, 2018 at 9:48 PM, Ian Lee <kd8cec@...> wrote: Dave Thank you for your important information. I think about setting a range of values.?I wanted to make this firmware available to users who have not modified the hardware. If set the range of the ADC value, both the unmodified and modified users will be able to use it. I had planned a separate firmware to work with hardware modifications. (CW Key, Multi function keys, Graphic LCD, 4 * 20 LCD, isolation between uBITX and computer circuit...) When uBITX, which is ordered in December, arrives, I am going to try hardware hacking in earnest. I will upload the firmware with the function to set the CW Key value range soon. ? 2018-01-22 11:53 GMT+09:00 Dave Bottom <ars.kd6az@...>: Ian,? The CW is almost perfect but occasionally (too often to use for a QSO) it still sends a dash instead of dot. It is random - very random. An “I” sent produces “N” or an “S” produces “R” are a couple of random examples. So it makes no difference where in the string it is. Today I built W0EBs CW Keying Circuit, but this made absolutely no difference.? So it appears the issue is elsewhere.? I’m thinking of installing a pot in place of the 2.2K resistor in case we are just on an edge margin so it randomly sends the wrong character. Dave WI6R
On Jan 9, 2018, at 10:29 AM, Ian Lee <kd8cec@...> wrote:
For anyone who wants to make CAT communication in uBITX, post it.
After the first beta test, we now release the final test version.
You can restore it to the original firmware whenever you do not like my new firmware.
(Do not worry - uBITX original firmware is also posted on my blog)
When the beta test period is over, I will reload it with the stabilized version.
Below are the test results that I and beta testers -In Ham radio deluxe, you can set basic settings such as CW speed side tone as well as frequency and mode change. You can conveniently set uBITX values using Ham radio deluxe.
If you use wsjtx, fldigi, jt65-hf etc., you can control the PTT control as well as the frequency by setting FT-817 as shown below.
In digital communications such as the FT-8 and JT65, if only USB is connected to the computer, software such as wsjtx will control the uBITX's frequency and PTT.
?
I also experimented with control on Windows, linux, and Raspberry pi.
? Memory Keyer function is also built in. I will post about the memory keyer implementation separately.
? And most of the known bugs were fixed. I have created dedicated software that supports this firmware 100%. With this software, you can backup and restore various setting values of uBITX and manage the CW Text of the built-in memory keyer. In addition, you have built-in tips to launch your Callsign at boot time. ? For more information, download firmware and how to upgrade firmware, please use the link below.
Or if you need to hit the keyboard, just type and you can see it.?It 's the top post because I posted it right now.
Below is the final test video posted a week ago.
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Best 73
KD8CEC / Ph.D Ian lee
kd8cec@...
?
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Best 73
KD8CEC / Ph.D ian lee
kd8cec@...
(my blog)
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Jim Sheldon
Bob Benedict, KD8CGH
Tilman, SM0JZT
Carl Beck
Joel Caulkins/N6ALT
K9HZ