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1. Topband: W1FB preamp failure (score: 1): Author: WD8DSB@aol.com; Date: Sun, 2 Jan 2011 14:33:20 EST; Built a W1FB preamp (Aug 1988 QST) for use with my 4.5 square shielded loop which is located in my shack, and the MC1350 IC gets permanently altered when I transmit on 160 meters using my 53 foot bas; /archives//html/Topband/2011-01/msg00002.html (8,466 bytes)
2. Re: Topband: W1FB preamp failure (score: 1): Author: Missouri Guy <n0tt1@juno.com>; Date: Mon, 3 Jan 2011 17:09:06 +0000; Yes! I've had the burn-out problem when I operated with high power. So, I built a protection device in the box with the preamp and that took care of the problem. The "Front End Saver" (I think that's; /archives//html/Topband/2011-01/msg00004.html (7,455 bytes)
3. Re: Topband: W1FB preamp failure (score: 1): Author: WD8DSB@aol.com; Date: Tue, 4 Jan 2011 10:52:09 EST; Thanks for all the responses (many responses received). Below is a summary of the responses I received, along with the actual fix I came up with that has solved the W1FB preamp failure problem I was; /archives//html/Topband/2011-01/msg00006.html (9,287 bytes)

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