[RFI] RF Choke Insertion Loss?

[Bert]

The answer is no. The only loss you have is in the coax. The choke
itself doesn't cause any loss.

Bert VE3NR


On 2021-04-22 15:36, Tony wrote:
> All:
>
> Installed an RF choke at the feed point of my portable linked dipole 
> and immediately noticed a significant drop in common mode noise while 
> testing the setup at my QTH.
>
> Isolating the coax from the antenna greatly improved the S/N ratio 
> which I thought could help in the field when close to a noisy location.
>
> This is probably a silly question, but I run QRP/CW when portable and 
> was wondering if the choke can cause any appreciable insertion loss on 
> the transmitted signal?
>
> Tony
>
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