[eagle] Re: 70 cm Passband at -1 dB and -60 dB

Jim Sanford wb4gcs at amsat.org
Sun Jul 22 04:22:32 PDT 2007


I have some thoughts on this (ripple), after some research I did late 
last night.
More later.
73,
Jim


Juan Rivera wrote:

> All,
>
>  
>
> I re-ran the -1 dB passband test of the 70 cm receiver for my 
> presentation.
>
> Here's another look at a 500 kHz span at 0.5 dB/Div:
>
>  
>
>  
>
>  
>
>  
>
> Here's a look at the -60 dB passband with a 2 MHz span and 5 dB/div.  
> I increased the input
>
> Level to get the skirts out of the noise.  It's 1.248 MHz wide at -60 dBc.
>
>  
>
>  
>
> Juan - WA6HTP
>
>------------------------------------------------------------------------
>
>_______________________________________________
>Via the Eagle mailing list courtesy of AMSAT-NA
>Eagle at amsat.org
>http://amsat.org/mailman/listinfo/eagle
>  
>
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