[Elecraft] AT1 question

[Harlan]

that is the equation I'm using to figure what I "should" be getting out... But that's NOT what I'm getting. And, the reading im getting agree with the value of the resistors used in the voltage divider.

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David Sanders W4DES <w4des at sandersweb.net> wrote:

>dB = 20 * Log (Vout / Vin)
>
>73, David W4DES
>
>
>
>On Jun 6, 2014, at 4:21 PM, hsherriff at reagan.com wrote:
>
>> I received an off list responce that said my thinking was ok....
>> 
>> OK..... Then why am I getting 0.2 volts out?
>> And with 1dB selected, I should be getting 0.8928.....but I get 0.9936 with either 1dB switch selected..... YET, all of the resistors are installed correctly and the suggested resistance checks are all but dead on.
>> 
>> When viewing the schematic, for a 1dB factor, there is a 5.6 ohm in series with a 910 ohm and the output is across the 910. Using ohm's law.... It looks like I should be getting out what I AM getting out.
>> 
>> Confusion has set in... I may need a Corona or two to figure this out
>> 
>> Harlan
>> NC3C
>> 
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