fredag den 1. marts 2013

SSPA for 2 meters - 1 kW module

›
If you want to explore more details of the amplifier project, I recommend an article by W6PQL: "Solid state 1 kW Linear Amplifier for 2...
fredag den 1. februar 2013

SSPA for 2 meters - Watercooling

›
The primary advantage of watercooling is its ability to transport heat away from the source (a transistor) to a secondary cooling surface (a...
tirsdag den 1. januar 2013

SSPA for 2 meters - Cabinet

›
Building a Solid State Power Amplifier (SSPA) is my project this winter. I have chosen the 1 kW SSPA for 144 MHz as described by F1JRD in DU...
mandag den 17. december 2012

Merry Christmas - Happy New Year

›
It is Winter in Denmark right now. We had a lot of snow this December. As you can see in the picture below, our small garden is totally whit...
fredag den 30. november 2012

Homemade 1:2 balun

›
I need an 1:2 balun My 20m loop antenna has about 100 ohm impedance at the 14 MHz resonance frequency. My coax-cable is a 50 ohm type. Tran...
1 kommentar:
mandag den 29. oktober 2012

Kenwood TS-850 ALC problem - again

›
Ten months ago, I fixed the well-known Kenwood TS-850 ALC problem by lowering the resistor values on the DC-DC daughterboard (X59-1100-00) f...
1 kommentar:
fredag den 28. september 2012

Quad loop antenna

›
Last month, I told you about my plans for a 20m delta loop antenna. But my plans have changed. The delta loop idea has been discarded, mainl...
1 kommentar: