[Elecraft] K3 TX Calib Dummy Load Recommendations

[Don Wilhelm]

Some of the best dummy loads are built from Caddox Thick Film Resistors.
The 50 ohm resistors are non-reactive and flat up through 500 MHz.
They MUST be mounted on a heatsink to achieve their power rating.

Using careful wiring practices (close to zero length leads), you can 
wire 4 of the 25 watt versions in series-parallel for a 100 ohm dummy 
load, but there is a 100 watt version available that will do a better job.

73,
Don W3FPR

On 8/26/2018 8:50 AM, Bill Frantz wrote:
> For my KX3, I built a dummy load from three 150 ohm 2 watt resistors and 
> a BNC connector. The resistors are in parallel with a lead going to the 
> center conductor of the connector. The other leads are folded back over 
> the resistors and attached to the ground-side of the connector. The 
> whole outside is then covered with a piece of coax braid. It does well 
> on the antenna analyser test Bob, K4TAX suggests.
>