[time-nuts] ECL Discussion: The On Semi MC100LVEL34 (/2/4/8 Prescaler/Divider)
John C. Westmoreland, P.E.
john at westmorelandengineering.com
Wed Feb 5 02:48:24 EST 2014
Hello,
I was wondering how many of you have experience with this ECL part from On
Semi:
MC100LVEL34 ?
The url is: http://www.onsemi.com/PowerSolutions/product.do?id=MC100LVEL34
I did search the archive - via Google - last discussion I saw was the new
clock distribution
part from Linear regarding ECL in this group.
Specs on the MC100LVEL34 look nice; prop delay is good (< 1 ns), jitter (<
1 ps), and On
Semi told me phase noise is expected to be -150dBc/Hz. ON also mentioned
to me that
they will start including phase noise figures with these parts soon (ECL).
I was looking at the Peregine 3513 also - looks like a good part too; so do
the ones from
Hittite (GaAs). Peregrine does have a paper discussing Normalized Phase
Noise in UltraCMOS
Devices, but I don't see that speced for the PE3513.
The Hittite HMC434/434E does spec Phase Noise at:
Ultra Low SSB Phase Noise: -150 dBc/Hz
Another ECL part that looks like it would make a nice RF switch is the:
MC100EP58.
Thanks and Regards,
John Westmoreland
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