[Amps] Plate choke resonance and safe operation

[Carl]

Unfortunately 10% doesnt fly if you want 10 and 12M

Carl
KM1H


----- Original Message ----- 
From: "alexeban" <alexeban at gmail.com>
To: "'Vic K2VCO'" <vic at rakefet.com>; "'OZ1AXG Flam'" 
<oz1axg.nospam at dxmail.dk>
Cc: "'Amps reflector'" <amps at contesting.com>
Sent: Sunday, December 07, 2008 11:42 AM
Subject: Re: [Amps] Plate choke resonance and safe operation


>A reasonable estimate would be about +- 10%away from the bands' edges: 
>if
> you get a reasonable impedance that far off, you can assume to be 
> safe.
> Alex 4Z5KS
>
> SunWolf
> "Jesus, come get your kids, they're tearing up my Mother's backyard!"
> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] 
> On
> Behalf Of Vic K2VCO
> Sent: Sunday, December 07, 2008 6:21 PM
> To: OZ1AXG Flam
> Cc: Amps reflector
> Subject: Re: [Amps] Plate choke resonanse and safe operation
>
> OZ1AXG Flam wrote:
>> the RFC is Installed
>>
>> I will try to measure the resonans again. For 27 MHZ i did the 
>> measurement
> 3
>> times. A grid dip meter is not the most accurate instrument, so i 
>> will try
>
>> it again. but how close is "safe" ? what would the symptoms be at 
>> tuneup
> if
>> resonans is close by ?
>
> You didn't mention it, but I assume that you know that the choke must 
> be
> *shorted* when
> you dip it.
>
> I am afraid that the symptoms are mostly that the choke burns out!
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
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