Chunlei 春雷 3T7
Shanghai No.3 上海无线电三厂 Shanghai No.3 Radio Factory: Shanghai
- Country
- People's Republic of China
- Manufacturer / Brand
- Shanghai No.3 上海无线电三厂 Shanghai No.3 Radio Factory: Shanghai
- Year
- 1967 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 177806
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
- 6 AM circuit(s)
- Wave bands
- Broadcast and Short Wave (SW).
- 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: Chunlei 春雷 3T7 - Shanghai No.3 上海无线电三厂
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Notes
- The model Chunlei 春雷 3T7 (spring thunder) receives broadcast 525 - 1605 kc and SW 3.9 - 12 mc. The IF was not given, but is normally 465 kc. Data 1 mV/m, 150 mW (500 mW). The two last transistors were not very clear, could also be 3AX81A or 3AX31A.
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 27.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 49 models, 42 with images and 43 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Shanghai No.3 上海无线电三厂 Shanghai No.3 Radio Factory: Shanghai