Toshiba 3.5 GHz 20W PA
Looking for some power on the 3400 MHz ham band?
Toshiba UM2683B 3.5 GHz power amplifiers are available on eBay from AECI South, that become a plug & play … Read more...
Electronics | Amateur radio | Nerdy Stuff
Looking for some power on the 3400 MHz ham band?
Toshiba UM2683B 3.5 GHz power amplifiers are available on eBay from AECI South, that become a plug & play … Read more...
ThunderBolt Display documentation has been updated to reflect the subtle changes of the V3 PCB.
Please note:
As of this afternoon, 25 of the batch of 50 units have already been paid for, 10 of which have now been posted overseas from orders received last week.
More … Read more...
A new video takes a look at what the ThunderBolt Display displays!
These things sure don’t like high SWR, as smoke came out of mine once!
I finally realised I was transmitting on 28MHz into my 50MHz yagi… Ooops!!!
Anyway… R23 crapped … Read more...
The FT-50R will drain it’s battery rather quickly, even if the transceiver is turned “off”.
This mod will reduce the “off” current drain of the transceiver.
Note: Actual layout of … Read more...
We take a look at sweeping an M2 23CM35 yagi for 1296 MHz using a Windfreak SynthNV USB powered and programmed RF Signal Generator / RF Power Detector from Windfreak … Read more...
I was looking into using a single VK3XDK PLL Synthesizer for both my 2.4GHz and 3.4GHz transverter systems.
ie; sharing the one PLL for both bands, with appropriate switching.
To … Read more...
One thing that became apparent when using a single XDK PLL board in a dual-band 2.4/3.4 GHz transverter system, is that the PLL’s limitation on producing even MHz only, necessitates … Read more...
This describes how to modify a Yaesu FT-817, so that the +12V appearing on the accessory connector switches on and off with the radio.
Normally, the +12V appears on the … Read more...
Kuhne provide a PLL Lock status LED on the PLL board of their G3 transverter modules.
This LED is inside the module, which is great when the lids are off … Read more...
NEVER use VOX operation when using RF Power Amplifiers.
It should be obvious why.
The transmitter, and the PA will switch on after audio modulation is detected.
You will certainly have … Read more...
When is a transfer relay not a transfer relay?
Normally, a transfer relay can be considered as a “double change over” device, but not all transfer relays may be manufactured … Read more...
I was caught by surprise out in the field the other day, when my new Kuhne MKU 10 G3 432 appeared to not work.
But it worked fine on the … Read more...
Expressions of interest in obtaining a ThunderBolt Display will be closing soon.
This third production run will be the last.
Please contact me, if you would like to obtain a … Read more...