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I.F.Transformers?
Over the years I've gone thru several 4th editions but have never seen
any of its predecessors. I'll have to watchout for some. "Scott Dorsey" wrote in message ... Henry Kolesnik wrote: The secondary of the IF xfmrm feeding the diode will have a different winding than the first two. My transformer theory is not up to snuff, I'm 68 and if I recall correctly a diode has a much lower input impedance that has to be matched so I'm guessing it will have less turns. Remember that a transformer reflects the impedance back. You may want to get a copy of The Radiotron Designers Handbook by Langford, it covers just about anything you would want to know about tube radios, over 1000 pages. The over 1000-page one is the Fourth Edition, which is the most expensive on the used market, and the one which has the most hi-fi information in it. The discussion of IF strip design is also in the smaller and much less expensive Third Edition. Some people like the third edition because it has some information on transformer design which was not carried into the fourth. A copy of the fourth edition is available online he http://geek.scorpiorising.ca/RDH4.html --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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