Changjiang 长江 715-A
Wuhan 武汉无线电厂 Wuhan Radio Factory; Wuhan City (Hubei, SC)
- Country
- People's Republic of China
- Manufacturer / Brand
- Wuhan 武汉无线电厂 Wuhan Radio Factory; Wuhan City (Hubei, SC)
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 177750
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 / 2 x 1.5 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Changjiang 长江 715-A - Wuhan 武汉无线电厂 Wuhan Radio
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Notes
- The radio model Changjiang 长江 715-A (Yangtze River) receives broadcast 535 - 1605 kc. Set audio output 额定功率: 100 mW (200 mW). Electric power consumption 电源消耗 at zero signal 零信号: 20 mA, at max. it is 120 mA. The IF frequency is most probably 465 kc. The models Changjiang 长江 715-A Changjiang 长江 715-B and Changjiang 长江 715-C share the same documentation incl. schematic at manual 03 (page245).
- Mentioned in
- 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 245.)
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 14.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 13 models, 10 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Wuhan 武汉无线电厂 Wuhan Radio Factory; Wuhan City (Hubei, SC)