• Año
  • 1973 ?
  • Categoría
  • Radio - o Sintonizador pasado WW2
  • Radiomuseum.org ID
  • 184958
    • alternative name: Shibaura Engineering Works
    • Brand: Tokyo Shibaura

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 Especificaciones técnicas

  • Numero de transistores
  • 7
  • Principio principal
  • Superheterodino en general; ZF/IF 455/10700 kHz; 3 Etapas de AF
  • Número de circuitos sintonía
  • 7 Circuíto(s) AM     5 Circuíto(s) FM
  • Gama de ondas
  • OM, OC y FM
  • Tensión de funcionamiento
  • Red / Baterías o pilas / AC 100 / UM2: 4 x 1.5 Volt
  • Altavoz
  • Altavoz dinámico (de imán permanente) / Ø 9.2 cm = 3.6 inch
  • Potencia de salida
  • 2.6 W (unknown quality)
  • Material
  • Plástico moderno (Nunca bakelita o catalina)
  • de Radiomuseum.org
  • Modelo: RP-750FT - Toshiba Corporation; Tokyo
  • Forma
  • Portátil > 20 cm (sin la necesidad de una red)
  • Ancho, altura, profundidad
  • 222 x 148 x 61 mm / 8.7 x 5.8 x 2.4 inch
  • Anotaciones
  • This was "The home unit in Japan", which also incorporated a low power built-in FM transmitter controlled by a toggle switch on the top of the radio. In 1973, it was one of the first models in which a FET RF amplifier in FM band was used, which fact was reflected in proper wording on the top of the radio. Apart from 7 transistors (with two 2SB415 germanium transistors in the AF output stage, mounted on a large aluminum heat sink to produce 2.6 watt of audio), there are also three silicon monolithic IC's (TA7104P, TA7105P, and TA7064P) inside the radio. RF and IF stages of the receiver are made on separate PC boards called "Function Units", which are then mounted on the main PC board of the radio.

    List of the transistors used in RP750FT: 2SK19 (FET, in FM RF amplifier)), 2SC380, 2SC373 (XC-373 as per circuit diagram), 2SC372, 2SC732, and coupled pair of Ge output transistors 2SB415.
  • Peso neto
  • 1.6 kg / 3 lb 8.4 oz (3.524 lb)

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