[time-nuts] Symmetricom 5115A Phase Noise Allen Deviation TestSet on ePay

Tom Holmes, N8ZM tholmes at woh.rr.com
Wed Apr 7 09:56:30 EDT 2010


Hi Luis...

Is that based on 10Log, or 20Log?

I'm thinking Money = Power ;-).

Regards,

Tom Holmes, N8ZM
Tipp City, OH
EM79xx

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Luis Cupido
Sent: Wednesday, April 07, 2010 9:36 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Symmetricom 5115A Phase Noise Allen Deviation
TestSet on ePay

about 16dB down (I think).

:-)

lc
ct1dmk.


Steve Rooke wrote:
> Ah! but is it cheaper than US $15,865.00?
> 
> On 8 April 2010 01:05, Luis Cupido <cupido at mail.ua.pt> wrote:
>> BTW,
>>
>> I have this recently developed for another application
>>
>> http://w3ref.cfn.ist.utl.pt/cupido/dl/050.jpg
>>
>> it has all it takes to make that type of instrument
>> with all that performance or better.
>> (2x100ms/s 16bit ADC, 40k FPGA and USB2 interface).
>> (both clock and triggers can come externally from low PN
>> sources)...
>>
>> 40ke Cyc III fpga has more than enough multipliers and etc
>> for the sort of conversions and correlations needed...
>> and the display and fancy interface would happen in the PC.
>>
>> Anyone feels attracted to do some coding ???
>>
>> Luis Cupido
>> ct1dmk.
>>
>>
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> 
> 
> 

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