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Juma TRX-1 & PA-100D Firmware

There is now some new firmware for both the TRX-2 (V1.10j) and the PA-100D (V1.05n). Please see the section of the website related to my firmware for details. 73, Adrian, 5B4AIY
by 5B4AIY
08 Feb 2014 18:58
 
Forum: Juma Discussion
Topic: Juma TRX-1 & PA-100D Firmware
Replies: 0
Views: 3459

Re: TRX-1 SSB Mod?

The simple answer to this is "No!" If you want a SSB transceiver, then the TRX-2 is the answer. The TRX-1 was never designed to be other than a DSB/CW transceiver, and to modify it for SSB would involve modifying the DDS synthesiser to produce two outputs in phase quadrature, in addition y...
by 5B4AIY
06 Dec 2013 13:10
 
Forum: Juma Discussion
Topic: TRX-1 SSB Mod?
Replies: 2
Views: 4472

New Firmware For The Juma PA-100D Version 1.05m

There is a new version of the firmware for the Juma PA-100D 100W linear amplifier, version 1.05m Build 3. Please see my firmware section for full details.
73, Adrian, 5B4AIY
by 5B4AIY
04 Dec 2013 16:38
 
Forum: Juma Discussion
Topic: New Firmware For The Juma PA-100D Version 1.05m
Replies: 0
Views: 3383

New Firmware For Juma TRX-2

There is now a new version of the firmware, v1.10h Build 2, for the Juma TRX-2. Please see my firmware section on this website for full details.
Adrian - 5B4AIY
by 5B4AIY
04 Dec 2013 08:36
 
Forum: Juma Discussion
Topic: New Firmware For Juma TRX-2
Replies: 0
Views: 3156

Re: Build Environment ???

Hi, Bob, You are using an old version of the firmware. The latest version is 1.05k build 4, if you send me an email, I'll send it to you. The development environment used is the MicroChip IDE version 8.76 and the compiler is the MicroChip C30 version 2.05 updated to v2.056. The size limitations of t...
by 5B4AIY
23 Nov 2013 07:40
 
Forum: Juma Firmware by 5B4AIY
Topic: Build Environment ???
Replies: 5
Views: 17408

New Firmware - Juma TRX-2

There is now a new firmware version 1.10g Build 4, 12th Sept. This version significantly enhances the Voice Memory operation. There are also a couple of low-level bug fixes. Please see the website section related to my firmware for full details.
73, Adrian, 5B4AIY
by 5B4AIY
12 Sep 2013 17:04
 
Forum: Juma Discussion
Topic: New Firmware - Juma TRX-2
Replies: 0
Views: 3463

Re: PA100-D mods

Great! Took a look at your photographs, nice neat construction, and as you have found, the replacement capacitors fit quite easily. As for the slight increase in output, that is not unexpected, as the dissipation factor of silver mica capacitors is significantly less than the originals, and so there...
by 5B4AIY
11 Sep 2013 06:05
 
Forum: Juma Discussion
Topic: PA100-D mods
Replies: 3
Views: 6006

Re: PA100-D mods

Hi, Villi, I obtained some of my capacitors from eBay suppliers, and they were relatively inexpensive, and the postage was free! These were from a supplier in Hong Kong. I have also obtained similar components from RS Components. Although they are a UK company, they do supply world-wide, and here in...
by 5B4AIY
23 Aug 2013 07:43
 
Forum: Juma Discussion
Topic: PA100-D mods
Replies: 3
Views: 6006

Re: TRX2A+PA100-D & Cat CTRL

Hi, Villi, Whether you can operate the TRX-2/PA-100D combination under CAT control rather depends upon which firmware you are using. If you are using the original firmware, then you will have to use the TRX-2 RS-232 port for CAT control, and connect the TRX-2 RF O/P to the PA-100D RF input for both ...
by 5B4AIY
23 Aug 2013 07:25
 
Forum: Juma Discussion
Topic: TRX2A+PA100-D & Cat CTRL
Replies: 1
Views: 3502

New Firmware For Juma TRX-2

There is now a new version of the firmware for the Juma TRX-2, version 1.10d, Build 1. Please see the 5B4AIY firmware section of the website for details.
by 5B4AIY
17 Jul 2013 17:56
 
Forum: Juma Discussion
Topic: New Firmware For Juma TRX-2
Replies: 0
Views: 3564
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