This is the diagram of a traditional old time tube receiver. The receiver is superhet and uses 455 kHz IFs. The circuit is designed to be powered from the 110/117 AC power line. The heaters are wired in series.
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This is the diagram of a traditional old time tube receiver. The receiver is superhet and uses 455 kHz IFs. The circuit is designed to be powered from the 110/117 AC power line. The heaters are wired in series.