[time-nuts] xtal oscillator phase noise
mfeher at eozinc.com
Tue Jan 1 14:28:20 EST 2008
Sorry - I am not smart enough to answer that, other than from the experience
I had with the vendors. - Mike
Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Tom Van Baak
Sent: Tuesday, January 01, 2008 2:22 PM
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [time-nuts] xtal oscillator phase noise
> Tom -
> Nice data. It really confirms what I initially posted. Your measurements
> were at 5 MHz, so, the expected number at 10 MHz would be 6 dB worse. The
> -155 dBc/Hz number quoted by memory from me then was not that far of at
> - Mike
What's the math behind why an equivalently good 10 MHz
reference is always(?) 6 dB above a 5 MHz reference?
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