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Help Center4 In1 Fixed RF Adjacent Catv Modulator /Satellite Equpments Detaik-JM4600
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Specifications
4 in1 Channels Fixed Modulator1.CE,RHOS, TOP World Quality IC
2.Small Order Accept
3.Directly sale by factory
16in1 Fixed RF Adjacent Catv Modulator with Combiner and Aluminum Chassis
Your best choice for CATV RF Modulator
Technical Characteristics:
1.Compact size, easy installation;
2.Micro-computer control, image sound two-phase locking;
3.IF SAW filters to deal with, excellent VSB;
4. High-output, continuously adjustable sound frequency offset, high reliability;
5.A wide range of linear power supply;
6.The use of SMD technology, machine stability.
Technical Parameters:
Output frequency range | MHz | 47—871 |
RF output level | dBµV | 110 or up |
Parasitic output rejection ratio | dB | ≥60(Maximum output frequency) |
RF output return loss | dB | ≥13 |
Video transfer system | % | 87.5(Video input level 1Vp-p) |
Video-band flatness | dB | ±1.2 |
Differential gain | % | ≤3 |
Differential Phase | ° | ≤3 |
Video signal to noise ratio | dB | ≥60 |
Color / light time delay difference | ns | |Δτ|≤45 |
Image/sound power ratio (V / A) | dB | 10—20 Continuously adjustable |
Images,sound freq. spacing | KHz | 6500±2(PAL-D/K); 5500±(PAL-B/G);4500±2(NTSC) |
Accuracy of image carrier freq | KHz | ≤5 |
Audio Frequency Modulation | KHz | 50 |
Audio total harmonic distortion | % | ≤1 |
Audio signal to noise ratio | dB | ≥60 |
Audio pre-emphasis | µs | 50 |
Power Supply | V | AC 90-265V |
Ambient temperature | °C | 5—50 |
Relative humidity | % | ≤85 |
Atmospheric work pressure | Kpa | 86—106 |
Overall dimensions | mm | 550x290x260 |
Gross Weight | Kg | 12.00 |
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