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IC-756PROIII Spectrum Scope
Front end filters
Multiple crystal front end filters board for 40M PDF Print E-mail
Written by Ranko Boca, 4O3A   
Saturday, 24 February 2007
PC-board   40M front end unit with 800Hz narrow Crystal filters for each kHz, from 7011 to 7025 kHz, all controlled from MCU
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