"0"^^ . "102816823"@en-us . "superhet"@en-us . "03516996-n"^^ . . "0"^^ . "a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified"@en-us . "103387874"@en-us . . . . . "superheterodyne receiver"@en-us . "103516996"^^ . "heterodyne receiver"@en-us . . . . . "heterodyne receiver"^^ . . . .