- Country
- People's Republic of China
- Manufacturer / Brand
- Zhejiang No.7 浙江省杭州市无线电七厂 Zhejiangshen No.7 Hangzhoushi Radio Factory; Hangzhou
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 179172
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 7
- Semiconductors
- 3DG6 3DG6 3DG6 unknown_tr 3AX31 unknown_tr unknown_tr
- 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 / 4.5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: Zhenzhen 真真 714 - Zhejiang No.7 浙江省杭州市无线...
- Notes
- The model Zhenzhen 真真 714 ("really") has the following key features 主要性能: Frequency range 频率范围: broadcast band 525 - 1605 kc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: > 14 dB S/N. Set audio output 额定功率: 100 mW (300 mW). The IF 中频频率 is 465 kc.
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 324.)
- 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 Zhejiang No.7 浙江省杭州市无线电七厂 Zhejiangshen No.7 Hangzhoushi Radio Factory; Hangzhou