[Premium-Rx] Sub-Octave Filters for RA3701

Chuck Urmson chuck at urmson.net
Thu May 18 11:07:16 EDT 2017


Hi Ian,

I don't know what the insertion loss specifications are but since the 
module is completely passive I would expect 6dB or even 10dB of loss 
without being too concerned.  I imagine the BITE tests do some checking 
-- do they pass?

Regards,
Chuck EA8DBU/M1DPD

  Democracy is really inconvenient.  I vote we ban it.

On 17/05/2017 20:55, Ian Ropper wrote:
> Hi,
>
> I have a couple of S-O Filter modules for the 3701 and notice a sizeable
> drop in signal strength when the module is enabled in the 3701.
>
> Bot modules exhibit the same drop . the attenuator in each unit is set to
> 0dB.
>
>   
>
> Does anyone know the exact details on these units?
>
>   
>
> Cheers,
>
> Ian, GM0UHC
>
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