[TowerTalk] Fair rite materials for choke baluns

Jim Brown jim at audiosystemsgroup.com
Tue Jul 5 12:24:39 EDT 2016


That sounds like a good test.

73, Jim K9YC

On Tue,7/5/2016 8:03 AM, Steve Hunt wrote:
> What I do is connect the choke across the output of a tuner to 
> generate a CM signal across the winding. Adjust the tuner for a good 
> match to 50 Ohms and drive it from a transmitter. That way you have a 
> well-controlled experiment.
>
> You can measure the CM voltage across the choke and the current 
> through it, or calculate them knowing the power output from the Tx.
>
> Steve G3TXQ
>
>
> On 05/07/2016 14:35, jimlux wrote:
>> It seems one could come up with a test fixture that is a bit more 
>> compact (and repeatable) than a piece of wire in the air.
>>
>
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