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Yingge 莺歌 717

Yingge 莺歌 717; Beijing 北京崇文广播器材厂 (ID = 802632) Radio
 
Yingge 莺歌 717; Beijing 北京崇文广播器材厂 (ID = 817499) Radio
 
Yingge 莺歌 717; Beijing 北京崇文广播器材厂 (ID = 817500) Radio
Yingge 莺歌 717; Beijing 北京崇文广播器材厂 (ID = 814863) Radio
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Yingge 莺歌 717; Beijing 北京崇文广播器材厂 (ID = 814863) Radio
Beijing 北京崇文广播器材厂: Yingge 莺歌 717 [Radio] ID = 814863 620x568
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For model Yingge 莺歌 717, Beijing 北京崇文广播器材厂 Beijing Chong Wen Broadcast Equipment Factory; Beijing :
Picture from the Transistor Radio Circuit Manual August 1981 vol. 1 of 5 (internal 03), page 167 for reference when somebody is uploading real photos and as reference for collectors, comparing models.
 
Country:  People's Republic of China
Manufacturer / Brand:  Beijing 北京崇文广播器材厂 Beijing Chong Wen Broadcast Equipment Factory; Beijing
Year: 1968 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: 3DG6 3DG6 3DG6 3DG6 3AX21 3BX31 3AX31 2CP 2CP 2AP9 2AP9
Main principle Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 6 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Yingge 莺歌 717 - Beijing 北京崇文广播器材厂 Beijing
Material Modern plastics (no Bakelite or Catalin)
Shape Portable set > 8 inch (also usable without mains)
Notes The model Yingge 莺歌 717 ("songs of the oriole") has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 2 mV/m. Selectivity 选择性: is 14 dB S/N at 10 kc (1000 kc). Set audio output 额定功率: 100 mW (250 mW). Electric power consumption 电源消耗 at zero signal 零信号: 18 mA, at max. it is 60 mA. The IF 中频频率 is 465 kc. Loudspeaker impedance is 8 ohm. 4 diodes.
Mentioned in 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 167.)
Literature/Schematics (1) 02-Radio Manual unknown date, 380 pages (page 291.)

Model page created by Ernst Erb. See "Data change" for further contributors.



All listed radios etc. from Beijing 北京崇文广播器材厂 Beijing Chong Wen Broadcast Equipment Factory; Beijing
Here you find 3 models, 3 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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