[TowerTalk] rf choke for vertical?

Edward Mccann edwmccann at yahoo.com
Sun Dec 16 12:05:19 EST 2018



Sent from my iPhone

> On Dec 16, 2018, at 8:35 AM, Edward McCann <ag6cx1 at gmail.com> wrote:
> 
> Choke 100 uH without SRF will work, along with 3 megohm resistors.
> 
> See three attachments. Look at article on Bias-T to see how to sort out SRF, or just buy the choke with ratings that meet your situation described with part number. 
> 
> The same for the resistor suggestion.
> 
> Three papers that you should read from AD5X address all your concerns and more!!
> 
> Merry Christmas
> Ed McCann
> AG6CX
> 
> http://www.ad5x.com/images/Articles/Match43footerRevA.pdf
> 
> http://www.ad5x.com/images/Articles/Static%20Bleed.pdf
> 
> http://www.ad5x.com/images/Articles/BiasT3amp.pdf
> 
> 
> 
> Sent from my iPhone
> 
>> On Dec 16, 2018, at 6:17 AM, Jamie WW3S <ww3s at zoominternet.net> wrote:
>> 
>> I’ve read/heard that an rf choke from the vertical to ground will help bleed off any static and help reduce noise levels on the vertical. For an 80m vertical, running 1200 watts, is the value/rating critical? 
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