Product Details
Product DescriptionThis 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 feature1) 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
|