[time-nuts] Build my own dist. amp ??

[Bruce Griffiths]

BriMDavis at aol.com wrote:
> Just wondering if anyone has ever tried the MAX2470/2471
> VCO buffers as part of a reference distribution design?
>  
>
> _http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1985_ 
> (http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1985) 
>
>  
>
>
> MAX2471specs:
>    10-500 Mhz
>    75 dB reverse isolation at 100 MHz
>    N.F.  8.4 dB
>    Pout    0 dBm
>  
>   The only noise info in the datasheet that I could spot 
> is the noise figure.
>  
>   I'd considered these for a LO buffer amp in a synthesizer
> design many years ago, but never actually tested any parts
> for residual phase noise.
>  
> Brian
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>   
Very noisy, too much gain and not enough output for use in a 10MHz
distribution amplifier with +7dbM - +15dBm input signal.
Attenuating the input to suit just degrades the phase nose even further.

Bruce