subject:"\[Elecraft\] K3 Low Power PA"

Re: [Elecraft] K3 Low Power PA

2010-01-07 Thread Radio Amateur N5GE

On Thu, 7 Jan 2010 09:02:50 -0800, Phil Hystad wrote: Phil, After looking at the installation instructions for the K144XV I determined that the K144XV has its own RF Power transistor, ergo the large heat sink that attaches to the left side panel of the K3. You can download the K144XV Manual at

[Elecraft] K3 Low Power PA

2010-01-07 Thread Phil Hystad

With nothing else to do late last night I was looking at the schematics for the K3, in particular the lower power amplifier. I decided to look up the specs for the RF power transistors and noticed that one was for HF and the other was for VHF. And, from these specs, it looks like the VHF mosfe