radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

Xihu 西湖 7B11

Xihu 西湖 7B11; Hangzhou 杭州群英无... (ID = 802606) Radio
Use red slider bar for more.
Xihu 西湖 7B11; Hangzhou 杭州群英无... (ID = 802606) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  People's Republic of China
Manufacturer / Brand:  Hangzhou 杭州群英无线电厂 Hangzhou Qunying Radio Factory; Hangzhou
Year: 1968 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: 3DG201C 3DG201C 3DGS 3DGS 3AX31A 3AX31B 3AX31B 2CP 2CP 2AP9 2AP9
Main principle Super-Heterodyne (Super in general); 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 / 4.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Xihu 西湖 7B11 - Hangzhou 杭州群英无线电厂
Material Modern plastics (no Bakelite or Catalin)
Notes The model Xihu 西湖 7B11 (West Lake) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 20 dB S/N (10 kc at 1000 kc). Set audio output 额定功率: 100 mW (300 mW). Electric power consumption 电源消耗 at zero signal 零信号: 17 mA, at max. it is 130 mA. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 8 ohm. 4 diodes.
Literature/Schematics (1) 02-Radio Manual unknown date, 380 pages (page 273.)

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



All listed radios etc. from Hangzhou 杭州群英无线电厂 Hangzhou Qunying Radio Factory; Hangzhou
Here you find 8 models, 3 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
rmXorg