[time-nuts] OT: Spectrum Analyzer

SAIDJACK at aol.com SAIDJACK at aol.com
Sat Oct 31 07:04:33 UTC 2009

Hi Dave,
one nice feature is that some reasonably priced analyzers offer 1Hz  
resolution bandwidths (8560E etc) which is really nice for precise work at  very 
high frequencies... and for precise phase noise work which is  usually 
calibrated in dBc per 1 Hertz.
It allows one to clearly see 50/60Hz power supply noise for example at  
Microwave frequencies which would be hard to differentiate with a 30Hz RB.
I always miss that feature in lesser units such as the 8591A  series.
In a message dated 10/30/2009 21:28:48 Pacific Daylight Time,  
die at dieconsulting.com writes:

And yet another feature modern analyzers have is digital  display
memory - which makes it usefully possible to make slow narrow  band
measurements with say 100 Hz or  30 Hz bandwidths.    Really antique
analyzers had display storage tubes or similar arrangements  as options,
but all even slightly modern ones have fully integrated digital  storage
and displays.

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