16 in 1 Fixed Module CATV Headend Modulator

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  • Last update:

    2017-12-29 20:26

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Company Profile

Shantou Kewang Electronic Industry Corporation

By certification [File Integrity]

Contact:Miss Nico(Mr.)  






Website: http://www.hrdwiremesh.com/com/kewang-cn/

Product details

Product Description
This product includes 16 fixed mini CATV head-end modulators and 1 build-in combiner. This 16 channels module type modulator is low cost and high stability, specially designed for MATV or SMATV system, suitable for motel and hotel. Professional design with simple installation. It is easily operated or maintained by users.

Product feature
1) 1 set can install 16 channels. Adjacent channel workable.
2) Individual function keys for each channel, simple operation
3) High efficiency SMPS enable stable performance.
4) All the figures already pre-set in the factory. No further adjustment to the modulator in case necessary.
5) 19" rack mountable.
6) PAL/NTSC/SECAM supported.

Technical Data
Standard frequency  47~860MHz
Output level  ≥110dBμV
Output level adjustment range  0~-20dB (variable)
Video to audio carrier  -10dB~-30dB continuous adjustable
Output impedance  75Ω
Spurious output suppression  ≥60dB
Frequency accuracy  ≤±5KHz(VHF); ≤±10KHz(UHF)
Video output reflection  ≥12dB(VHF); ≥10dB(UHF)
Video input level  1.0Vp-p(@87.5% mod)
Video input impedance  75Ω
Differential gain  ≤5%(@ 87.5% mod)
Differential phase  ≤5° ( @87.5% mod)
C/L delay  ≤45 ns
Flatness  ±1dB
Video modulation range  0~90% variable
Video S/N ratio  ≥55dB
Audio input level  1Vp-p(for ±50KHz)
Audio input impedance  600Ω
Audio S/N ratio  ≥57dB
Audio pre-emphasis  50μs
Power supply  AC 220V±10% 50Hz±2Hz
Temperature range 0~40ºC
Dimension 19 inch 4U