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

[W7SLS]

Among your many choices:

SignalHound SA-44B    919 USD (0C - 70C version)

https://signalhound.com/products/usb-sa44b/

With its (free) SPIKE software, you can measure phase noise (and much more).  https://signalhound.com/spike/

Pix below is a sample (from the SM200A version).

Notes:
	Requires a PC (laptop fine) for operation
	Obviously will not ‘beat’ a R&S, HP, etc. 
	Portable - fits in a large pocket
	External 10 MHz ref input
	Made by folks who live near me (but I have no financial interest other than as a customer)
	Libraries included should you wish to write your own software.
	Your mileage may vary

Best of luck,
Scott

 <https://signalhound.com/wp-content/uploads/spike-images/SM200A%20measuring%20the%20phase%20noise%20of%20the%20E4433B%20signal%20generator%20at%201%20and%204GHz%20carriers.PNG>



> On Aug 22, 2019, at 5:55 AM, Anton Moehammad via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> The cost of this N5511A started from 135K USD is there anything I can buy or build for less than 1K USD for phase noise measurement ?
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