Hello,
I've got mine a few days ago, had not too much time to play around but
seems to work ok. As received, it locked quite fast and it seems to be
around 10e-9 off compared with my Thunderbolt. Not tried to adjust it
yet. Also, it seems to put a quite clean sine output. Second harmonic
around -60dBc (from memory... can be -50dBc), and close up spurs -70dBc
at +/-200kHz, and somewhat lower at +/-400kHz. I have not yet looked to
closer spurii (only to what was apparent at 10kHz RBW).
Next step, to calibrate to GPS and look the output with more detail :)
It seems it can be adjusted through the serial port, but it is 10MHz
fixed (not 1Hz - 20MHz as other FE-5680A). Well, not bad for the price :)
Regards,
Javier
El 08/12/2011 20:53, Chris Albertson escribió:
On Thu, Dec 8, 2011 at 10:58 AM, Chuck Forsberg WA7KGX N2469R
<[email protected]> wrote:
FE-5680A Rubidium Atomic Frequency Standard Oscillator Transceivers 10Mhz
Out
There was a lot of email about these a short while ago. But is is
still not clear to me if these are even adjustable and if not, how far
have they drifted off of 10Mhz since they were new. I'd like to buy
one and calibrate it to a GPS.
Chris Albertson
Redondo Beach, California
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