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Mr. Vacuum Tube
Gregory L. Charvat's blog.
Monday, July 18, 2011
ARRL Homebrew Challenge 3 radio update: RX/TX audio board and circuitry complete
Creating the audio circuitry for a SSB transceiver is not a trivial task. Shown on the right is a green prototype board with the completed RX and TX audio and PTT circuitry.
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