We find this single-channel circuit in a Japanese publication of 1962. The circuit uses a 1.5 V cell for the filaments and a 45 V battery for the tube plate supply. The frequency is 27 MHz.
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We find this single-channel circuit in a Japanese publication of 1962. The circuit uses a 1.5 V cell for the filaments and a 45 V battery for the tube plate supply. The frequency is 27 MHz.
