SWITCHABLE_HF_VHF_ACTIVE_ANTENNA

Published:2009/6/18 2:10:00 Author:May | From:SeekIC

The AA-7 active antenna contains only two active elements: Q1 (an MFE201 N-channel dual-gate FET) and Q2 (a 2SC2570 npn VHF silicon transistor), which provide the basis of two indepen-dent, switchable RE preamplifiers.



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