Date   

Re: VK3YE AGC pcb.

Nick VK4PP
 

Also, 1206 SMD resistors fit nicely across vertical resistor pads...
I have added pads so that you can use MMBTH3409 or 2N3904....


Re: VK3YE AGC pcb.

Nick VK4PP
 

No idea, I'd imagine the LED is only taking 20ma at most...

I run it off the 12v RX line near the R18 resistor, so no issues with that 5v regulator overloading...

Peter VK3YE may be able to shed more "light" on it, HI HI.

73 Nick VK4PLN


Re: VK3YE AGC pcb.

Kees T
 

Nick,

What is the overall power requirement of this circuit with the LED ?

73 Kees K5BCQ


Re: VK3YE AGC pcb.

Jack, W8TEE
 

I choked on getting it because I have never worked on SMT boards...

And therein is the problem...you haven't tried it. I'm two years younger than dirt and tried SMD's for the first time a little over a year ago. Like anything new, it takes a little practice, but it's really quite easy. Farhan uses large SMD's (1206's) and they are really easy to work with. I find a good set of angled tweezers and a magnifying headset and some confidence is all you need. Give it a try! After all, Custer took a chance...

Jack, W8TEE

On Wednesday, July 25, 2018, 7:17:03 PM EDT, Richard Spohn <wb2gxm@...> wrote:


Regarding the VK3YE...don't make it smaller.  I like Kees' AGC kit but
I choked on getting it because I have never worked on SMT boards and
just thinking about doing so makes me tired.  Having a through-hole
AGC kit is something I am interested in.  Don't make it smaller. -
Rich WB2GXM

On 7/25/18, Mvs Sarma <mvssarma@...> wrote:
> Nice . I suppose we could try to make it smaller
>
> regards
> sarma
> vu3zmv
>
> Regards
> MVS Sarma
>
>
> On Wed, Jul 25, 2018 at 9:43 AM, Nick VK4PLN <nickpullen@...> wrote:
>
>> Something I'm Working on...
>>
>>
>>
>>
>> 73 Nick VK4PLN
>>
>>
>>
>
>
>
>




Re: latest ubitx manger ??

Kevin Rea <reakevinscott@...>
 

Ok..thank you ..

I figured it out..

I installed my nextion 3.2e and then upgraded the software for

It and the ubitx, and everything works good. Now.

 

kevin

 

From: BITX20@groups.io <BITX20@groups.io> On Behalf Of Michael Babineau
Sent: Wednesday, July 25, 2018 5:55 PM
To: BITX20@groups.io
Subject: Re: [BITX20] latest ubitx manger ??

 

Kevin : 

I am not aware of a newer version of the uBITX manager than what you are currently using.
I scanned the link that was provided in response to your posting and I didn't see anything there.

I think that the root of your problem is perhaps captured in the following line of your original posting : 

"i found a version: 1.081, but it cannot read from my stock ubitx board."

If you are still using the original sketch that came preloaded on the Raduino with the uBITX then
that explains your problem.  There has to be something in the Raduino code for the uBitx manager to
talk to and that simply doesn't exist in Farhan's version of the code as it predates the uBITX manager.

What you need to do is to upgrade the sketch on the Raduino first to use KD8CEC's sketch and then use the uBITX manager to talk to it.
The first thing you should do is save the configuration data to  a file, in case you muck something up later and need to revert back to it.  

By loading in KD8CECs code you won't mess with any existing calibration settings so don't worry about this. 

Cheers

Michael VE3WMB 


Re: wiring up a cw paddle

Kevin Rea <reakevinscott@...>
 

Thank you !!

 

From: BITX20@groups.io <BITX20@groups.io> On Behalf Of Tom, wb6b
Sent: Wednesday, July 25, 2018 5:48 PM
To: BITX20@groups.io
Subject: Re: [BITX20] wiring up a cw paddle

 

Here is a link.

https://ubitx.net/wiring-up-a-paddle-and-straight-key/

Although you can add the resistors to your cable or paddle and use the existing straight key jack.

Tom, wb6b


Re: latest ubitx manger ??

 

Kevin : 

I am not aware of a newer version of the uBITX manager than what you are currently using.
I scanned the link that was provided in response to your posting and I didn't see anything there.

I think that the root of your problem is perhaps captured in the following line of your original posting : 

"i found a version: 1.081, but it cannot read from my stock ubitx board."

If you are still using the original sketch that came preloaded on the Raduino with the uBITX then
that explains your problem.  There has to be something in the Raduino code for the uBitx manager to
talk to and that simply doesn't exist in Farhan's version of the code as it predates the uBITX manager.

What you need to do is to upgrade the sketch on the Raduino first to use KD8CEC's sketch and then use the uBITX manager to talk to it.
The first thing you should do is save the configuration data to  a file, in case you muck something up later and need to revert back to it.  

By loading in KD8CECs code you won't mess with any existing calibration settings so don't worry about this. 

Cheers

Michael VE3WMB 


Re: wiring up a cw paddle

Tom, wb6b
 

Here is a link.

https://ubitx.net/wiring-up-a-paddle-and-straight-key/

Although you can add the resistors to your cable or paddle and use the existing straight key jack.

Tom, wb6b


Re: Receive pitch shifts when confirming.... #arduino #ubitx #ubitx-help

mtrager1@...
 

Hi Ion,

Will now try this on Thursday evening or Friday the latest.
Busy working this week:(

Michael


wiring up a cw paddle

Kevin Rea <reakevinscott@...>
 

ok guys,
i got the straight key to work.. do i have to rewire something for my cw paddle to work ?

kevin


Re: VK3YE AGC pcb.

Nick VK4PP
 

No kit, just PCBs...


Re: End Fed antennas w/ uBITX #ubitx

Jerry Gaffke
 

Suitable 12v batteries can be had most anywhere, I'd be travelling without that SLA.
If nothing else, a stack of local D cells in a custom made cloth sock should work.

If operating from hotel rooms and not out in the bush, there are clean switching power supplies
that would work well with the uBitx, suitable for either 120 or 240 VAC.

And if I were responsible for making sure there are no mishaps on my plane,
I would look hard at several pounds of battery acid.


Anyways, if some overly suspicious border agent of whatever flag swipes your uBitx,
it's cheaper than most to replace.  Good rig to take along.

Jerry
 

On Wed, Jul 25, 2018 at 05:00 PM, Warren Allgyer wrote:
Mike

Hahaha. I agree and I would probably admit to some inspiration from Q in the design. One accommodation I made on the inbound trip was to remove the SLA, tape the terminals, and pack it separately. I am relying on the enclosed document and the lack of explosive residue for the inevitable sniffers to carry the day. On the transition flight from China to Mongolia the cased radio drew no comment but the battery itself got a lot of scrutiny and had to be approved by a superior before we were waved through. 

WA8TOD


Re: End Fed antennas w/ uBITX #ubitx

Mike aka KC2WVB <rb5363@...>
 

I am only being half funny and I really do have some concern for you because people at this end have been encouraged to over react without reprimand. You might want to mail the rig home separately to put distance between it and you. This way if they hold the rig for a few days trying to figure out if it is safe you don't get to hang out in a detention room being looked over by marine drop outs.

Otherwise it sure does look cool!


On Wed, Jul 25, 2018, 8:00 PM Warren Allgyer <allgyer@...> wrote:
Mike

Hahaha. I agree and I would probably admit to some inspiration from Q in the design. One accommodation I made on the inbound trip was to remove the SLA, tape the terminals, and pack it separately. I am relying on the enclosed document and the lack of explosive residue for the inevitable sniffers to carry the day. On the transition flight from China to Mongolia the cased radio drew no comment but the battery itself got a lot of scrutiny and had to be approved by a superior before we were waved through. 

WA8TOD


Re: VK3YE AGC pcb.

Richard Spohn
 

Nick, if this becomes a kit, will buy one. - Rich WB2GXM

On 7/25/18, Nick VK4PLN <nickpullen@gmx.net> wrote:
Hi Richard.
I did make it a bit smaller, but only by standing the resistors and diode
on-end.
I agree, SMD is do-able, I have the Kees AGC, but TH is easier on the eyes
and less tiring, I also just like the look of TH components too.

I might be able to do a board that you can use either/or if you so
choose...Hmm...

I have been thinking deep in my mind about putting all these boards I have
done into a single one, as well as a complete TH ubitx board.
Maybe in a modular stacked version... But right now I'm a bit time poor...

73 Nick VK4PLN




Re: End Fed antennas w/ uBITX #ubitx

Gordon Gibby <ggibby@...>
 

While it is probably true that some of these endfed antennas are better designed than others..... The important point to know is that some are not!

My local emergency operation center was using a 20 something foot vertical, fed by one of these endfed transformer jobs...... through 250 feet of coax....

When I spun the radio dial through 40 and 20 m, it was almost QUIET. It took me over a year to convince these people (who didn’t operate HF at all), that this was NOT normal at all.   I had to make all kinds of objective measurements and show them that I could make contacts one right after another to win link servers from my house—-and we were lucky to make a single contact from their station at the same times.   My estimate of the deficit exceeded 10 DB 



So I’m really encouraging people to spread the news that there is junk being sold out there.   One would be wise to find designs that have been verified by reputable laboratories etc., instead of believing anecdotal reports that “it works great”.    Some do, and some don’t!




On Jul 25, 2018, at 19:52, Mike aka KC2WVB <rb5363@...> wrote:

Warren, 

In all seriousness, to a non-radio enthusiast, your rig in a pistol case looks like a Bond bomb out of Q's laboratory.

Best wishes on the return trip. I hear they don't hire MIT grads for Homeland Security grunt duty so you might want incontrovertible evidence in support of its an amateur radio rig on the return home leg of the trip.

On Wed, Jul 25, 2018, 5:26 PM Warren Allgyer <allgyer@...> wrote:
To wit:

<E8BF2293_4AE9_48E5_A3C0_FA1CE0E4D544.jpeg>

<E8BF2293_4AE9_48E5_A3C0_FA1CE0E4D544.jpeg>


Re: End Fed antennas w/ uBITX #ubitx

Jerry Gaffke
 

Well then, we simply disagree.
And that's ok.

Safe travels!

Jerry


On Wed, Jul 25, 2018 at 04:38 PM, Warren Allgyer wrote:
As I have said, it depends upon your definition of “work”. 

Using your 10 watt transceiver with this antenna is the same as using a 1 watt transceiver with a resonant half wave fed by a tuner or low loss transformer. I have made worldwide contacts using 1 watt. 

I just want want people to understand that they can do much better for a lot less money if they understand what is actually happening with their antenna. 

Almost any antenna will “work”. “Working well” can be easily achieved with a little bit of effort and our collective knowledge level can be improved at the same time. 


Re: End Fed antennas w/ uBITX #ubitx

Warren Allgyer <allgyer@...>
 

Mike

Hahaha. I agree and I would probably admit to some inspiration from Q in the design. One accommodation I made on the inbound trip was to remove the SLA, tape the terminals, and pack it separately. I am relying on the enclosed document and the lack of explosive residue for the inevitable sniffers to carry the day. On the transition flight from China to Mongolia the cased radio drew no comment but the battery itself got a lot of scrutiny and had to be approved by a superior before we were waved through. 

WA8TOD


Re: latest ubitx manger ??

Kevin Rea <reakevinscott@...>
 

Hi Joel,
I went to the url you posted for me, but i see no download link for the latest uBITX manager program..

kevin


Re: End Fed antennas w/ uBITX #ubitx

Mike aka KC2WVB <rb5363@...>
 

Warren, 

In all seriousness, to a non-radio enthusiast, your rig in a pistol case looks like a Bond bomb out of Q's laboratory.

Best wishes on the return trip. I hear they don't hire MIT grads for Homeland Security grunt duty so you might want incontrovertible evidence in support of its an amateur radio rig on the return home leg of the trip.

On Wed, Jul 25, 2018, 5:26 PM Warren Allgyer <allgyer@...> wrote:
To wit:


Re: latest ubitx manger ??

Kevin Rea <reakevinscott@...>
 

thank you !!!