Hongdeng 红灯 QD-602
Qingdao No.2 青岛无线电二厂 Qingdao No.2 Radio Factory; Qingdao
- Country
- People's Republic of China
- Manufacturer / Brand
- Qingdao No.2 青岛无线电二厂 Qingdao No.2 Radio Factory; Qingdao
- Year
- 1972 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 180971
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 6
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 6 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- from Radiomuseum.org
- Model: Hongdeng 红灯 QD-602 - Qingdao No.2 青岛无线电二厂
- Shape
- Tablemodel, low profile (big size).
- Notes
- The radio model Hongdeng 红灯 QD-602 (Red Light) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 0.5 mV/m. Selectivity 选择性: 20 sB (S/N). The IF is most probably 465 kc. Set audio output 额定功率 : 100 mW (250 mW). Electric power consumption 电源消耗 at zero signal 零信号: 15 mA, at max. output 70 mA. 2 diodes.
- Literature/Schematics (1)
- 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 104.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 2 models, 2 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Qingdao No.2 青岛无线电二厂 Qingdao No.2 Radio Factory; Qingdao