China New Product Catv Headend 20 Channels Modulator - 2 IN 1 B cable headend equipment dual rf modulator – GreenGo
Short Description:
China New Product Catv Headend 20 Channels Modulator - 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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We are going to dedicate ourselves to providing our esteemed buyers together with the most enthusiastically thoughtful products and services for China New Product Catv Headend 20 Channels Modulator - 2 IN 1 B cable headend equipment dual rf modulator – GreenGo, The product will supply to all over the world, such as: Ukraine, Riyadh, Eindhoven, we sincerely hope to establish a good and long-term business relationship with your esteemed company through this opportunity, based on equality, mutual benefit and win-win business from now to the future. "Your satisfaction is our happiness".
By Norma from Cancun - 2015.11.11 19:52
The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
By Adelaide from USA - 2015.12.28 15:18
