[TowerTalk] common mode chokes, baluns and multiband doublets

[Wes Stewart]

He said it because he doesn't know what he's talking about.

On 12/11/2017 7:18 PM, David Gilbert wrote:
>
> There are a lot of reasons why window line is not a good idea, but it's 
> totally wrong to say that a common mode choke will choke the signals on window 
> line.   I really don't understand why you would say that.  The fields 
> generated by each wire for a signal traveling along window line oppose each 
> other ... there is no field to choke if the currents are equal (i.e., the line 
> is balanced).  And if the currents are not equal, then the common mode choke 
> more or less forces them to be equal ... just like a common mode choke is 
> supposed to.
>
> Dave   AB7E
>
>
>
> On 12/11/2017 5:15 PM, Bert wrote:
>> We're talking about a common mode choke, not a balun/transformer.
>>
>> Bert, VE3NR
>>
>>
>>
>> On 12/11/2017 7:08 PM, Wes N7WS wrote:
>>> Actually that's not true. A lot of baluns are wound with balanced 
>>> transmission line.
>>>
>>> Wes. N7WS
>>>
>>> Sent from my iPhone
>>>
>>>> On Dec 11, 2017, at 3:49 PM, Bert <balmemo at sympatico.ca> wrote:
>>>>
>>>> Hi Bill,
>>>>
>>>> Choking the window line is not a good idea - you'll choke the signals too. 
>>>> Common mode chokes are mainly used for coax cables and multi-conductor 
>>>> cables. I'm sure you'll get many more detailed replies from the experts.
>>>>
>>>> Good Luck!
>>>>
>>>> Bert, VE3NR
>>>>
>
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