[ARC5] BC-AS-230 Transmitter, part 1 - tube adapters, general clean-up, quest for a dummy load

Ben Hall kd5byb at gmail.com
Mon Dec 22 17:21:51 EST 2014


On 12/22/2014 6:40 AM, Brian wrote:
> 8 Ohm is a standard E12 resistor, and so, readily available. Most 8 Ohm
> 10 W resistors are wire-wound. Therefore, they are quite inductive and
> quite unsuitable as an RF dummy load.

Insert head-smacking here.  I knew that...but it just didn't occur to me.

> It would be wise to seek a ceramic resistor that bolts directly onto a
> heatsink - some look like a TO-220 case style, some are smaller. But
> often they are non-inductive. Ask for the specs.

I have seen these before.  I've been searching Mouser for the last few 
minutes without a lot of luck.  Sometimes Mouser's search gives me fits. 
  I'll persevere eventually.  ;)

thanks much and 73,
ben


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