>
>
>-----Original Message-----
>From: measures <2@vc.net>
>To: amps <amps@contesting.com>
To: <amps@contesting.com>
>Date: 08 September 2000 05:50
>Subject: RE: [AMPS] Blown TL922A... What to do?
>snip
>>>And I have problems seeing the VHF parasitic circuit having
>>>sufficient Q to get the step up to burn bandswitches.
>>>
>>... not a good description of what happens. The mechanism that
>>transforms Z and burns the bandswitch is entirely within the Tune-C. .
>>Have you seen the QST photo of the burned 922 bandswitch? (p.33, Oct,
>>1990)
>
>
>I don't have access to QST archives - is there somewhere that explains the
>mechanism, or could you go over it?
>
I posted the QST photo on my Web site. See Figure 23. The Z
transforming mechanism is an concealed L-network. It is explained in
posts in the AMPS archive.
>
later, Steve
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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