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toyocom Xtal filters
clifford wright wrote in
: genadiz wrote in news:19909a9a-3387-4a1e-8428- : I'm point you to russian fourm for see pictures, not for reading. In this (your) case, I propouse use at middle a tank with fixed 1...1.5 uH and 1..10 pF trimmer cap - align this circuit (at same time align input and output of filter) until the shape of passband is good enough. Bolshoi Spasiba Genadiz!!! You have even done some design work for me, for which I thank you. I will go over your sites again as I now have access to a good translation programme. Vy 73's Clifford wright New Zealand. Well Genadiz! I have designed the L networks and used your values for the parallel tuned circuit between them. All is well! As you say you can tidy up the filter response with the tuned circuit. It goes into the receiver today. Thank's again for your great help! Vy73's Cliff wright ZL1BDA. |
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