Chinese wholesale Digital Cable Tv Headend - 2 IN 1 B cable headend equipment dual rf modulator – GreenGo
Short Description:
Chinese wholesale Digital Cable Tv Headend - 2 IN 1 B cable headend equipment dual rf modulator – GreenGo Detail:
2 IN 1 B cable headend equipment dual rf modulator
Features
1. Intermediate frequency process, high functional index.
2. SAW filters process.
3. Luxurious housing.
4. MMIC circuits are on key parts and SMT technology is
applied to the overall unit.
5. Digital displays channel number.
6. Output adopts screw filters.
7. With high security and high temperature stability.
8. Output level adjustment and A/V adjustment on front panel.
9. PLL technique is applied to audio and RF local
oscillator，high frequency stability and high accuracy.
10. We can make different channels according to the customer requests.
Specifications
|
Reflection |
Output Frequency Range |
45-870MHz |
|
Frequency Accuracy |
± 5KHz | |
|
Output Level |
113dBmV（<550MHz） | |
|
Out of Band Suppression |
≥ 60dB | |
|
Side-band Suppression |
≥ 60dB | |
|
Output Impedance |
75Ω | |
|
Video to Audio Carrier Ratio |
-10dB ~ -20dB | |
|
Video Frequency |
Input Level |
0.6 ~ 1.5Vp-p |
|
Input Impedance |
75Ω | |
|
Input Reflection |
30dB min | |
|
K coefficient |
4 % max （ 2T pulse ） | |
|
Video s/n |
50dB( no emphasis ) | |
|
C/L Delay |
40nsec | |
|
Frequency Response |
± 1dB（ 25Hz ~ 5.8MHz） | |
|
Differential Gain |
± 4 % （modulation 87.5 887.58787.5） 87.587.585.7） 87.5） 87.5 ） | |
|
Differential Phase |
± 4 °（modulation 87.5） | |
|
Audio Frequency |
Input Level |
-10 ~ 10 dBm |
|
Input Impedance |
10KΩ min | |
|
Frequency Response |
± 1dB max（40Hz ~ 15KHz） | |
|
Distortion |
1 % | |
|
Signal to Noise Ratio |
-60dB | |
|
Audio Picture Interval |
According to the TV system standard | |
|
power supply |
Voltage
|
220V or 110V |
Product detail pictures:
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Our personnel are always in the spirit of "continuous improvement and excellence", and together with the top-quality good quality solutions, favorable selling price and superior after-sales providers, we try to acquire each customer's rely on for Chinese wholesale Digital Cable Tv Headend - 2 IN 1 B cable headend equipment dual rf modulator – GreenGo, The product will supply to all over the world, such as: Singapore, Jordan, Porto, With more and more Chinese products and solutions around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to supply you both better solutions and service, because we've been more and more powerful, specialist and experience in domestic and international.
By Cheryl from Morocco - 2016.04.18 16:45
Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
By Ada from Slovenia - 2015.12.28 15:18
