[hpsdr] LTC 2208 A/D Thermal Characteristics

[Scott Cowling]

Hi Phil,

I did not mean to question your design abilities, that was not my intent.

The QS1R is a fine and successful design, as is Mercury.  I wish you 
the best of success with it.

No sense in any further argument.

73,
Scotty WA2DFI

At 11:34 2009-01-14 -0500, Philip Covington wrote:
>On Wed, Jan 14, 2009 at 11:17 AM, Scott Cowling <scotty at tonks.com> wrote:
> > ***** High Performance Software Defined Radio Discussion List *****
> > Phil, if you choose to oversimplify grounding and thermal 
> tradeoffs and call
> > it "nonsense", feel free to do so (I oversimplified it too). My experience,
> > on the other hand, tells me otherwise.
>
>I agree that *you* have over simplified the grounding and thermal
>trade off issues.  Your implication that I have over simplified the
>grounding and thermal trade off issues is total nonsense on your part
>as evidenced by the successful QS1R design.  I took those issues very
>seriously and that is why the LTC2208 runs ~20 C cooler on QS1R.  It
>appears that less thought went into the Mercury PCB design.
>
>Was any testing done in manufacturing to document a range of normal
>temperature values for the Mercury's LTC2208?
>
>Phil N8VB



 1231952709.0