OLD_TIME_RADIO

Published:2009/7/17 2:30:00 Author:Jessie | From:SeekIC

This circuit was used in the early days of radio to receive signals. Almost any battery-operated triode, such as a type 30, can be used. A battery is 3 V, R2 is a 100-Ω rheostat. Coils are typically 2 to 3 diameter honeycomb wound.



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