| Products > Test Equipment |
| Recommendations for 100 MHz low phase noise OCXOs on the secondary market? |
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| rfclown:
I recently bought something on eBay, but can't find a datasheet for it. eBay sales description said, "-154dBc/Hz@2KHz", but I haven't measured PN on it yet. I posted something asking if anyone else knew about it, and have had no replies. https://www.eevblog.com/forum/projects/valpey-fisher-vft22h-100-00mhz-ocxo-oscillator-output-waveform/msg5157219/#msg5157219 |
| jrd:
Complete solution on a single board. Can also be GPS Disciplined. Microsemi SSM-2000/2650 https://www.microsemi.com/product-directory/embedded-clocks-frequency-references/4013-ocxo-docxo-source-modules |
| matthuszagh:
--- Quote from: jrd on November 25, 2023, 06:12:15 pm ---Complete solution on a single board. Can also be GPS Disciplined. Microsemi SSM-2000/2650 https://www.microsemi.com/product-directory/embedded-clocks-frequency-references/4013-ocxo-docxo-source-modules --- End quote --- The PPS or 10 MHz disciplining is a nice feature, but the phase noise is actually marginally worse than the Wenzel units posted above, which is mostly what I care about here. I didn’t see a price, but given that it’s a new microsemi product with disciplining capability, I expect it’s quite a bit more expensive than the second hand wenzel units. |
| Gerhard_dk4xp:
< https://www.digikey.de/de/products/filter/oszillatoren/172?s=N4IgjCBcoExgrABiqAxlAZgQwDYGcBTAGhAHsoBtcRRAAgFkAJALxAF0SAHAFyhAFUAdgEtuAeQz0CWPAFcATgRABfZSRiUQBVHlox4MDW2VA > Ah, I wanted to write "always available" as I got one on Friday morning with 2 days delivery time, but no more now it seems. :( for abt. €100 new. I asked ECS for the phase noise of the 100 MHz units and I was given the .pdf without NDA. Still a better deal than my 5 & 10 MHz recovered Chinese Morion MV89As. Gerhard DK4XP |
| testpoint1:
Hi, I just use the new KVG O.70 design a small OCXO box and PCB, the test result show -109 dB/Hz (10Hz), -132 dB/Hz (100Hz), if more than 100Hz, the noise floor is low than my reference, I can not test/verify it, but I think official chart is correct (please check the attached PDF file). I also have another KVG O-40, if you need the O.70, I can sell to you. |
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