[hpsdr] mercury arrived - noise floor

[Bill Tracey]

Have you calibrated for level?

Regards,

Bill (kd5tfd)

At 04:52 PM 1/14/2009, Georg Prinz wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>Hello everybody,
>
>I got my mercury and fired it up successfully. Nevertheless I realized
>that the noise floor is about -95dBm and the RX-meter shows -101,5dBm
>when the input is shortened with 50 Ohms.
>
>Is this behavior ok, because the whole system is sitting on my workbench
>without any screening case?  The power is taken from a ordinary
>labor-supply.
>
>How can I lower the noise floor?
>
>Thank you in advance.
>Georg, dl2kp
>



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