[time-nuts] Keysight N5511A - phase noise measurements down to theoretical-177 dBm/Hz

[William H. Fite]

The thought of what it must cost is frightening. A colleague just acquired
a *used* 5503 for a bit under $50K.


On Friday, August 16, 2019, Richard (Rick) Karlquist <richard at karlquist.com>
wrote:

> OMG, you need two PSG's AND a PXI cage with lots of cards.
> Another doomsday machine (it replaces the E5505A which I
> have a lot of experience with, and THAT was a doomsday
> machine for sure.  The blurb calls it the "gold standard".
> Right, only when it comes to price).  It even says it is designed
> for Power Users at the high-end of the market.
> Power Users with deep pockets.
>
> My guess is well into 6 figure$.
>
> (Note:  I am a Keysight retiree).
>
> BTW, I don't know what -177 dBm/Hz has to do with phase noise.
> The relevant units are dBc/Hz as any time-nut knows.
>
> Rick
>
> On 8/15/2019 3:42 PM, Dr. David Kirkby wrote:
>
>> This seems quite an impressive bit of kit, which in the standard
>> configuration boasts
>>
>> RF INPUT 50 kHz to 40 GHz
>> OFFSET  10 mHz to 160 MHz
>> NOISE FLOOR kT
>>
>> https://www.keysight.com/en/pd-2998258-pn-N5511A/phase-noise
>> -test-system-50-khz-to-40-ghz
>>
>> Despite setting my country to the USA, where it is usually possible to get
>> prices.  Maybe its a case of “if you have to ask the price, then you can’t
>> afford it”
>>
>> Dave
>>
>>
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