I got side tracked, yet again, into looking at the TDA5051 from nxp, a powerline comms thingy
Anyway in one circuit they have a signal transformer by newport,
76250, but I cant find newport through the google.Any ideas who they are now
martin
Try C&D Technologies. Most of Farnell's high fequency pulse transformers now seem to come from them.
It looks as if they might be the crew that took over Newport a few years ago, and stopped them selling their delay lines.
-- Bill Sloman, Nijmegen
Thanks Bill
martin
That is an isolation transformer to couple the 8.48mhz signal from the modem to the ac line. If you look at the date sheet you can also see it done with just capacitors instead. figure 18. the transformer is for safety.
Bob
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