Jinggangshan 井岗山 501
Beijing 北京朝阳区无线电厂 Beijing Chaoyangqu Radio Factory; Beijing
- Country
- People's Republic of China
- Manufacturer / Brand
- Beijing 北京朝阳区无线电厂 Beijing Chaoyangqu Radio Factory; Beijing
- Year
- 1970 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 180801
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 5
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s); Reflex
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- 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: Jinggangshan 井岗山 501 - Beijing 北京朝阳区无线电厂 Beijing
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
- The radio model Jinggangshan 井岗山 501 (perhaps written 井冈山 = Jinggang mountains) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Set audio output 额定功率: 100 mW. The IF 中频频率 is most probably 465 kc.
- Literature/Schematics (1)
- 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 11.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 9 models, 7 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Beijing 北京朝阳区无线电厂 Beijing Chaoyangqu Radio Factory; Beijing