I find a lot of books and web sites say a lot of different things too, I
just try everything, starting with the easy inexpensive things first. That's
like there are so many theories on station grounding it's not even funny
too. It's pretty much you do what you can, find what works, and have fun.
----- Original Message -----
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, June 05, 2008 7:46 PM
Subject: Re: correctly using Radio Shack RF chokes
> Mark,
>
> RFI is a subject about which tons of books and articles have been
> written,
> and I'm no expert. You know how it is: "I'm not a doctor, but I played
> one
> when I was six (and again when I was sixteen).
>
> Anyway, you need to get a handle on what is going on. What frequencies
> and
> modes are causing what problems. Do a Google search for RFI and try and
> learn as much as you can on the subject. Start with your own stuff:
> everything grounded properly and all connections tight? Good connectors
> and
> coax and all connections tight? Try going direct from the rig to a dummy
> load. Still have a problem? If the rig and affected items share a
> common
> wiring circuit, try putting the rig on a different circuit.
>
> Do everything you can to eliminate your station as the culprit. Some
> consumer electronics just won't do well in a rf environment, no matter
> how
> clean your station is.
>
> I'm sure others will have comments and suggestions, but hopefully this is
> a
> start for you.
>
> 73 Steve KW3A
> ----- Original Message -----
> From: "Mark" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, June 05, 2008 7:16 PM
> Subject: Re: correctly using Radio Shack RF chokes
>
>
>> Hi Steve:
>> The Kenwood power supply I have has a half inch cable with I believe
>> six conductors in it going to the radio. So, those chokes I ordered
>> should
>> fit great. I am interested in finding some RF suppressors for the TV, DVD
>> and Stereo though. The thing is that they belong to other family members.
>> So, no soldering or any thing like that. Smile. Any ideas on where to go
>> on
>> entertainment centers? I come in on the TV screen.
>>
>> God bless,
>> Mark
>> -- Currently in Pendleton, Eastern Oregon Regional At Pendleton, Oregon
>> Mostly Cloudy, Light Rain
>> ----- Original Message -----
>> From: "Steve Forst" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Thursday, June 05, 2008 2:52 PM
>> Subject: Re: correctly using Radio Shack RF chokes
>>
>>
>>> Hi Mark,
>>>
>>> I guess it depends on what the problem is, and seeing what works to
>>> fix
>>> it. Try one at each end, and if the problem is solved, remove one and
>>> see
>>> what happens. If the problem returns, put that one back and remove
>>> the
>>> other. There is no one perfect answer for RFI and every setup and
>>> situation is different. Sometimes you need to solve the problem at
>>> whatever
>>> is being interfered with, such as putting a choke on the leads to your
>>> pc's
>>> speakers.
>>>
>>> If using one of the clamshell type I mentioned to Tom, it should be a
>>> snug
>>> fit. The correct size that clamps snugly on the wire is better than a
>>> larger one just sliding loose on the wire.
>>>
>>> BTW, that ALL Electronics site is also a good source for stuff like
>>> audio
>>> cables, adapters, etc. Every time I place an order, I wind up spending
>>> 50
>>> bucks.
>>>
>>> 73, Steve KW3A
>>> ----- Original Message -----
>>> From: "Mark" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Thursday, June 05, 2008 5:10 PM
>>> Subject: Re: correctly using Radio Shack RF chokes
>>>
>>>
>>>> Hi Steve,
>>>> I went to the link you gave and bought a pair of half inch chokes.
>>>> I
>>>> thought I would snap them on the cable between my power supply and the
>>>> radio. Should I put them next to the radio, the power supply, or one on
>>>> each
>>>> end of the wire?
>>>>
>>>> God bless,
>>>> Mark
>>>> -- Currently in Pendleton, Eastern Oregon Regional At Pendleton, Oregon
>>>> Clear, 64.0
>>
>
|
