[hpsdr] Pennywhistle input pad values

Phil Harman phil at pharman.org
Tue Mar 16 19:01:50 PDT 2010


It's at T pad, see

http://www.daycounter.com/Calculators/PI-T-Pad-Attenuator-Calculator.phtml

The size of resistors will depend on how much power you are trying to
dissipate.  Connecting resistors in parallel will work fine if needed.

73's Phil...VK6APH




> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi all,
> I need to attenuate the input to my Pennywhistle.
> Where can I get the formula for this type of pad (or web site
> with a attenuator calculator.
> Is this a T type of pad and are he resistors in parallel to handle the
> current?
> Thanks for your help. Ray W7RJC
>
>
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