- Country
- People's Republic of China
- Manufacturer / Brand
- Yan'an 延安无线电总厂 Yan'an General Radio Factory; Yan'an (Shaanxi, NW)
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 179046
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 7
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Yanhe 延河 7107 - Yan'an 延安无线电总厂 Yan'an
- Notes
- The model Yanhe 延河 7107 (Yanhe River) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc.Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: > 16 dB S/N. Set audio output 额定功率: 100 mW. Electric power consumption 电源消耗 at zero signal 零信号: 11 mA, at max. it is 55 mA The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is most probably 8 ohm. 4 diodes.
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 298.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 1 models, 0 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Yan'an 延安无线电总厂 Yan'an General Radio Factory; Yan'an (Shaanxi, NW)