[R-390] line filter for EAC R390A

[Cecil Acuff]

How did ya'll do all that work without soldering...:-)

Just a little humor....

Cecil
----- Original Message ----- 
From: "rbethman" <rbethman at comcast.net>
To: <R-390 at mailman.qth.net>
Sent: Sunday, July 26, 2009 4:58 PM
Subject: Re: [R-390] line filter for EAC R390A


>
>
> Richard W. Solomon wrote:
>> What has all that got to do with using the third wire as a ground ??
>>
>
> Precisely what I wrote!  The third wire is doing what it is supposed to
> do!  It conducts the leakage back to the panel.
>
> With leaky filters, this is seen by the GFI as FAULT!  Therefore, it 
> trips.
>
> What has the neighbor got to do with an old system that has leaky filters?
>> I removed the filter since I was not concerned with the neighbors 
>> checking
>> up on what I was listening to.
>>
>> 73, Dick, W1KSZ
>>
>> -----Original Message-----
>>
>>> From: rbethman <rbethman at comcast.net>
>>> Sent: Jul 26, 2009 4:29 PM
>>> To: R-390 at mailman.qth.net
>>> Cc: "Richard W. Solomon" <w1ksz at earthlink.net>
>>> Subject: Re: [R-390] line filter for EAC R390A
>>>
>>> Dick,
>>>
>>> GFIs "see" current in the ground as a "fault" above the limit that a
>>> GFCI "can" allow.  So the saying that the grounding through the "third"
>>> or "green"/"bare" IS what is popping the GFI.
>>>
>>> An R-390a with the old filters will stay on when it happens to NOT be on
>>> a circuit protected by GFI devices.
>>>
>>> Bob - N0DGN
>>>
>>> Richard W. Solomon wrote:
>>>
>>>> Are you saying that grounding through the third wire of the line
>>>> cord is not sufficient ? Maybe that's why the thing kept popping
>>>> the GFI.
>>>>
>>>> 73, Dick, W1KSZ
>>>>
>>>> -----Original Message-----
>>>>
>>>>
>>>>> From: 2002tii <bmw2002tii at nerdshack.com>
>>>>> Sent: Jul 26, 2009 2:52 PM
>>>>> To: R-390 at mailman.qth.net
>>>>> Subject: Re: [R-390] line filter for EAC R390A
>>>>>
>>>>> Dick wrote:
>>>>>
>>>>>
>>>>>
>>>>>> What folks are alluding to is the nasty habit of the Line Filter
>>>>>> popping the GFI.
>>>>>> That's why I pulled mine.
>>>>>>
>>>>>>
>>>>> Note that the ability of the 390 line filter to trip a GFI arises
>>>>> because the line filter has high leakage current (capacitively
>>>>> coupled, not galvanic, but high leakage current nonetheless).  If you
>>>>> do not securely ground a radio that has an original line filter, you
>>>>> can get a respectable shock from the radio chassis.
>>>>>
>>>>> Best regards,
>>>>>
>>>>> Don
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
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>>>>>
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>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ______________________________________________________________
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>>>>>
>>>> ______________________________________________________________
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>>>>
>>>>
>>> -- 
>>> +------------------------------------------------------------------+
>>> |             AM Amateur Radio Operator    NØDGN                   |
>>> +------------------------------------------------------------------+
>>> | Bob Bethman                \\\|///     " The absence of a danger |
>>> |                           \\ ~ ~ //      signal does *NOT* mean  |
>>> | rbethman at comcast.net      (/ @ @ /)      that everything is OK " |
>>> +-------------------------oOOo-(_)-oOOo----------------------------+
>>>
>>>
>>
>> ______________________________________________________________
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>> Help: http://mailman.qth.net/mmfaq.htm
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>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>
> -- 
> +------------------------------------------------------------------+
> |             AM Amateur Radio Operator    NØDGN                   |
> +------------------------------------------------------------------+
> | Bob Bethman                \\\|///     " The absence of a danger |
> |                           \\ ~ ~ //      signal does *NOT* mean  |
> | rbethman at comcast.net      (/ @ @ /)      that everything is OK " |
> +-------------------------oOOo-(_)-oOOo----------------------------+
>
> ______________________________________________________________
> R-390 mailing list
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>
> This list hosted by: http://www.qsl.net
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