Perry, Just three days ago, I posted about my using transformers from Ethernet cards. I also summarized the results of some measurements using the spectrum analyzer. There was only one response, so it seems that what I posted was widely ignored.
Dave M - good find on Electronic Goldmine. Joe Gray W5JG On Thu, Nov 27, 2014 at 8:50 AM, Dave M <[email protected]> wrote: > Electronic Goldmine has some Pulse Engineering LAN transformers (same as > those used on many LAN boards) on clearance at $1.00 each. > http://www.goldmine-elec-products.com/prodinfo.asp?number=G17078 > Datasheet is at http://www.datasheet4u.com/download_new.php?id=541958 > > Quite cheap, in my opinion. > > Cheers, > Dave M > > > Perry Sandeen via time-nuts wrote: >> >> List, >> I have seen on the net a 10 MHz filter using 10.7 IFtransformers but >> have no idea how well they would work for isolation with thenew style >> Lucent boxes. >> >> Thoughts? >>> >>> >> On Ebay venders are offering 10 MHz crystals for almostnothing if you >> buy 30. My question wouldthese be good for making some type of simple >> ladder filter? >> >> In his article *Modifying Lucent RFG-M-RB Rubidium FrequencyStandard* >> the author used a 10MHz filter that was taken from an old >> 10MbitEthernet LAN board. The part number he used was 20F001N and I >> found them onEbay for low prices. >> >> Now I don't have any access to any old ethernet LAN boardsso I'd have >> to build from scratch. >> >> Does anyone of these methods have an advantage over theothers on the >> new style Lucent boxes or in the making of a small >> distributionamplifier with good isolation? >> >> Regards, >> >> Perrier > > > > _______________________________________________ > 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.
