[time-nuts] Low noise frequency multiplication

[Dr Bruce Griffiths]

Stephan Sandenbergh wrote:
> Darn, the table is a mess. Here is the corrected one:
>
> LVPECL Outputs	
> Hz	dBc/Hz
> 1	?
> 10	-127
> 100	-145
> 1k	-153
> 10k	-158
> 100k	-158
> 1M  	-158
>
> 10MHz OCXO	
> Hz	dBc/Hz
> 1	-100
> 10	-130
> 100	-152
> 1k	-160
> 10k	-165
> 100k	-165
> 1M  	-165
>
> 10x Multiplied	
> Hz	dBc/Hz
> 1	-80
> 10	-110
> 100	-132
> 1k	-140
> 10k	-145
> 100k	-145
> 1M  	-145
>
>   
Stephan
The last table above should read:

10x Multiplied	
Hz	dBc/Hz
10	-80
100	-110
1k	-132
10k	-140
100k	-145
1M	-145
10M  	-145

Bruce

> Diverence 	between 10MHz x10 Multiplied and AD9512
> Hz	dBc/Hz
> 1	17
> 10	13
> 100	13
> 1k	13
> 10k	13
> 100k	13
> 1M  	13
>
>
> Regards,
>
> Stephan.
>
>