SHORTWAVE_RECEIVER

Published:2009/6/24 3:45:00 Author:Jessie | From:SeekIC

This receiver covers 8.5 to 11.5 MHz in two bands and has a sensitivity of under 1 μV. Nn NE602 mixer feeds a 455-kHz IF amplifier (Q1 and Q2), detector D4, and audio amplifier IC2. Q4 serves as an AGC amplifier coil data is given in the table. The LO is varactor tuned.



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