Sunflower 葵花 272

Beijing 北京朝阳区无线电厂 Beijing Chaoyangqu Radio Factory; Beijing

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  • Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 178407

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: Sunflower 葵花 272 - Beijing 北京朝阳区无线电厂 Beijing
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • The radio model Sunflower 葵花 272 (Kuihua) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc and SW 3.9 - 12 mc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性 20 dB (S/N). Electric power consumption 电源消耗 at zero signal 零信号: 12 mA, at max. it is 70 mA. The IF is most probably 465 kc. Set audio output 额定功率 : 150 mW. Loudspeaker is 8 ohm. 3 diodes. The manufacturer is written as 北京朝阳无线电厂 instead of 北京朝阳区无线电厂 but it is the same company.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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