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[AMPS] ICE Filter Update

To: <amps@contesting.com>
Subject: [AMPS] ICE Filter Update
From: amps@txrx.demon.co.uk (Steve Thompson)
Date: Tue, 27 Apr 1999 21:01:50 +0100
In message <199904271455.KAA00606@contesting.com>, Jon Ogden
<jono@enteract.com> writes
>
>Well, I promised to get back to folks with an update on my ICE 6M and 2M 
>bandpass filters.  OK, it's not directly amplifier related, but they go 
>after my VHF bricks!
>
>On Friday I received 2 replacement 2M filters for the original 2 that 
>failed.  One passed the smoke test and is still working.  The other 
>failed.  My local dealer told me to bring the failed unit by them and he 
>would exchange it.  So yesterday I got another 2M unit.  Put it to the 
>smoke test.  Was working good for a bit.  Then on about the third or 4th 
>keydown test, it failed as well (the test is to keydown at full power 
>(130 W) for about a minute).  So that makes 5 filters I have tried.  Four 
>of them have failed!
>
>My dealer said that ICE has had a very difficult time getting good 
>quality mica capacitors lately.  It seems like the market is being eaten 
>up by the computer manufacturers or something like that.  So I am 
>assuming that this quality issue is a temporary problem and will get 
>resolved as soon as they find a reliable capacitor vendor.

Speaking in total ignorance of the product, it stinks of a design
problem to me.

Steve

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