• Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 178664

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / 4.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Meihua 梅花 2G7 - Zhuzhou 株洲市无线电厂
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • The radio model Meihua 梅花 2G7 (Plum Blossom) has a frequency range of 频率范围: broadcast band 525 - 1605 kc and SW 3.9 - 12 mc. Sensitivity 灵敏度: < 0.5 mV/m. Selectivity 选择性: > 20 dB S/N. 不失真功率 not distorted audio output : 大 于Larger than 150 mW (300 mW). Electric power consumption 电源消耗 at zero signal 零信号: 15 mA, at max. it is 70 mA. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is not given. 4 diodes.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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