Another Time-nut suggested the use of 10 baseT ethernet transformers for 10 MHz isolation that he pulls from old ethernet boards. The 20F001n. These are available from UTSource on ebay at 90 cents each NOS. Ordered 20.
Well I have to say as a BPF or something for 10 Mhz they are lousy. BUT then how could they be when they are a pretty flat transformer from 40 KHz to 17 MHz! Take that Mini-Circuits. (Only in jest) Yes there are some lumps and bumps in that pass band But not large maybe 1-1.3db I need to get much more accurate. But now I have a nice transformer that can work at WWVB 60 Khz as well as with frequency distribution. They come in a dip foot print and 2 X to a package. I have more to check because to good to be true almost always is. At least for me. Regards Paul WB8TSL _______________________________________________ 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.
