I just realized I picked up my operating traits of always wearing
headphones and riding the RF gain 50 years ago. Shocked me to think I
have been listening to shortwave for so very long! I may be getting old
:) But I did learn them from a WWII radio man while wearing his vintage
phones. All that Marine training sticks after all these years.
Kevin.
On Tue, 21 Jun 2011 20:22:36 -0700, Ron D'Eau Claire <[email protected]> wrote:
> Saving that $110 plus postage is one advantage of being a "solder
> jockey" -
> but I've never managed to damage one of those IC's with a brief signal no
> matter how loud. They saturate, keeping any voltage spikes inside the
> limits
> they can withstand.
>
> What will kill one, IMX, is a sustained saturated signal (for several
> minutes) that eventually causes the chip to overheat from excessive power
> dissipation.
>
> Big Bear Lake ought to be beautiful this time of the year, Dave. (I was
> raised in Redlands, down below you in the San Bernardino Valley.) But so
> is
> the central Oregon coast this time of the year :-)
>
> 73,
>
> Ron AC7AC
>
> -----Original Message-----
> 2. Never use the speaker amp with AGC turned off. It takes just
> one dit from a loud signal to destroy the delicate speaker
> amplifier IC. That will require a $110 factory repair, plus
> postage.
>
>
> Dave Hachadorian, K6LL
> Big Bear Lake, CA
>
--
Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
