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Robert Moog's Ladder Filter Patent
Robert Moog's Ladder Filter Patent
This is a scan of US Patent 3,475,623
Electronic High-pass and Low-pass Filters Employing the Base to Emitter Diode Resistance of Bipolar Transistors
Robert A. Moog
October 10, 1966
J. Donald Tillman
email:
don@till.com
web page:
http://www.till.com
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