TenTec
[Top] [All Lists]

[TenTec] Re: QSK Problems

To: <tentec@contesting.com>
Subject: [TenTec] Re: QSK Problems
From: Phil Chambley, Sr." <k4dpk@romecomputer.com (Phil Chambley, Sr.)
Date: Wed, 28 Nov 2001 14:08:00 -0500
You may speculate that the NE2 won't work.  I can tell you from long
experience that it does.

Phil Chambley
K4DPK

-----Original Message-----
From: Dr. Gerald N. Johnson, electrical engineer <geraldj@isunet.net>
To: Phil Chambley, Sr. <k4dpk@romecomputer.com>
Cc: tentec@contesting.com <tentec@contesting.com>
To: <tentec@contesting.com>
Date: Wednesday, November 28, 2001 1:28 AM
Subject: Re: [TenTec] Re: QSK Problems


>Not likely that the NE-2 will do much protection. It will probably
>explode at less than 100 ma. current while the PA tube flash over is
>likely to be a few amps. A LARGE 50 volt zener diode may be more
>effective, but it may also protect the transistor by failing shorted. A
>50 volt or so rated MOV will probably be better protection than the
>zener diode.
>
>73, Jerry, K0CQ
>
>--
>Entire content copyright Dr. Gerald N. Johnson. Reproduction by
>permission only.


<Prev in Thread] Current Thread [Next in Thread>