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Re: TRX2

If and when you get the Kit, my advice is assembly it slowly and carefully. If you assemble the DDS control board first (which is challenging because of the extra small components) you can test it before moving on to another assembly. The radio is very good and can be easily calibrated without any e...
by KD1NA
25 Apr 2013 18:24
 
Forum: Juma Discussion
Topic: TRX2
Replies: 3
Views: 3943

Re: TRX2

Yu should have gotton an e-mail confirmation from JUMA. If you didn't then you contact one of the JUME engineers asap.
Dave KD1NA
by KD1NA
25 Apr 2013 18:19
 
Forum: Juma Discussion
Topic: TRX2
Replies: 3
Views: 3943

Re: Where to get the TRX2 DC connectors?

I removed the origonal DC connector and installed the standard coax type size M pin type dc connector in the TRX2A Now I have many different power cords I can use with the TRX2 and the plugs are very easy to get.Just remove the origonal connector and modify the existing mounting hole so the coax plu...
by KD1NA
25 Mar 2013 13:30
 
Forum: Juma Discussion
Topic: Where to get the TRX2 DC connectors?
Replies: 3
Views: 3836

Whats going on with JUMA

Everyone Getting very concerned about JUMA. There have been several e-mails published about either someone hacking into the JUMA’s website or that JUMA is going out of business. If you check their website now many of their kits are out of stock including the PA-100D. I have demonstrated both the TRX...
by KD1NA
25 Mar 2013 13:17
 
Forum: Juma Discussion
Topic: Whats going on with JUMA
Replies: 3
Views: 4161

Re: Juma PA100-D Firmware, New Version

Adrian,
I cannot seem to find the software you refer to on your part of this forum. I have build 7 but would like to get build 17.
73
Dave KD1na.

PS My PA100=D is really working fine.
by KD1NA
11 Jan 2013 12:38
 
Forum: Juma Discussion
Topic: Juma PA100-D Firmware, New Version
Replies: 2
Views: 2225

TRX2A DDS Board Build

In building the Juma TRX2A radio I decided to build the all band RF board first, Then the poly phase boards. Then I attacked the DDS board. I had already built the PA100-D earlier and found the DDS board on the linear and the TRX2A are similer and I had some problems with the PA100-D DDS board damag...
by KD1NA
04 Jan 2013 02:05
 
Forum: Juma Discussion
Topic: TRX2A DDS Board Build
Replies: 0
Views: 2083

Re: My PA100-D Build

Though it has been some time ago. I built my PA-100D I did the same as you. When testing the board I got the splash screen but afterwords I could use the Display button to select all the prameters that were able to be viewed. On viesing the SWR screen I got beeps and a flasing message stating the SW...
by KD1NA
27 Dec 2012 18:32
 
Forum: Juma Discussion
Topic: My PA100-D Build
Replies: 1
Views: 2410

Re: PA100-D with an Elecraft KX3

The only outputs from the KX3 other then RF is the keying signal. The KX3 has an RS232 port and does provide band information which is compadable to Elecraft products only. When I tryed to use 3 watts drive and adjusted thew PA100-D's gain to get output to 100 watts out, I don't seem to have the pro...
by KD1NA
23 Aug 2012 20:52
 
Forum: Juma Discussion
Topic: PA100-D with an Elecraft KX3
Replies: 6
Views: 7593

PA100-D with an Elecraft KX3

I have been having lots of success running the Juma linear (PA100-D) with my KX3. I have noticed one problem. On 17 meters and above when using the Auto Frequincy detection, I find on occasion the band readout on the linear flickers to another band during transmittion. An example is when I am on 15 ...
by KD1NA
20 Aug 2012 20:45
 
Forum: Juma Discussion
Topic: PA100-D with an Elecraft KX3
Replies: 6
Views: 7593

JUMA PA100D 3rd order distortion

Everyone, When I passed along the information to the Elecraft Forum about the PA100-D linear, one of the members indicated that no information as provided about the 3rd order IMD distortion. With the limited equipment I have available at my station i measured -35db from my KX3 running 5 watts out di...
by KD1NA
14 Aug 2012 18:44
 
Forum: Juma Discussion
Topic: JUMA PA100D 3rd order distortion
Replies: 1
Views: 2476
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