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![]() Pocket superheterodyne receiver with Medium Wave and Frequency Modulation reception, using 9 silicon transistors and one germanium: BF414, BF441, BF254, BF254, BF254, BF254, BC309, BC238, BC238, AC122. The Intermediate Frequency resonates at 460 kHz for MW and at 10.7 MHz for FM. Wound antenna on ferroxcube for MW and stylus for FM, 8 Ohm speaker and power supply via 4 x 1.5V AA type batteries (LR6 or UM3). Dimensions: 2.8 x 4.7 x 1.6 inch (WxHxD). © IK3HIA 2004. |
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![]() Ricevitore tascabile supereterodina con ricezione in Onde medie e in Modulazione di Freqenza, che utilizza 9 transistor al silicio e uno al germanio: BF414, BF441, BF254, BF254, BF254, BF254, BC309, BC238, BC238, AC122. La Frequenza Intermedia risuona a 460 kHz per le Onde Medie e a 10,7 MHz per la FM. Antenna avvolta su ferroxcube per AM e a stilo per FM, altoparlante da 8 Ohm e alimentazione tramite 4 x batterie da1,5V tipo AA (LR6 o UM3). Dimensioni: 7 x 12 x 4 cm (L,A,P). © IK3HIA 2004. |
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