55_MHz_TO_455_kHz

Published:2009/7/15 5:04:00 Author:Jessie | From:SeekIC

Developed for use as second converter in all-band double-conversion superheterodyne receiver for AM, narrow-band FM CW, and SSB operation. IF amplifier Q23 is followed by triple-tuned filter feeding second mixer Q24, with Q25 as crystal oscillator. Supply is 13.6 V regulated. Article gives all circuits of receiver．-D M Eisenberg, Build This All-Band VHF Receiver, 73 Magazine, Jan, 1975, p105－112



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