Hi > On Dec 3, 2014, at 7:33 PM, Gerhard Hoffmann <[email protected]> wrote: > > Am 04.12.2014 um 00:04 schrieb paul swed: >> Have successfully tapped into the clean 10 MHz of the the Lucent and using >> a EL2020 50 Mhz current opamp have a very nice 10 Mhz sine wave out. Any >> spurs are down at least 43 db. Close in at 4Khz total span or 500 Hz/div I >> don't see anything down to at least 65 db. Thats the best detail the HP >> 8568B will allow. > > Congrats! > > > Can't help to ask some questions: > The MTI-260, is that a CMOS level or a sine output version on 5 MHz? > Where I'm right now, I have the Lucent pair, one of them dismantled, > but no power supply & no scope, that has to wait until the weekend. > > I'd like to make a small board that directly takes the 5 MHz from the > Osc, buffers it, doubles it with the NIST FET doubler and provides 4 SMA > +12dBm outputs at 10 MHz via 4*AD8009 or LMH6702. > There is enough free space on the front plate. > I'd like to hear that the osc delivers a sine, since that makes > doubling easier. > > BTW I have another 10 MHz MTI-260 and did measure phase noise with > an E5052B. That was not so funny. Probably it's orientiented towards > long term stability at the cost of noise with absolutely minimum crystal > dissipation. I'd like to repeat the measurement under better controlled > environmental conditions b4 I tell numbers. > But it seems that Morion rulez, noise-wise.
The OCXO in the TBolt beats the Morion parts by a wide margin. Bob > > regards, Gerhard > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
