860MHz Combined Head-end system Platform
group nameCATV Analog Headend
-
Min Order1 piece
brand nameEASTEC
modelE-1601
-
update timeWed, 15 Aug 2012 22:24:45 GMT
Packging & Delivery
Min Order1 piece
Briefing
Detailed
Introduction
The combined head-end system equipment, based on space saving, and high performance designing principle, is free to be composed of mini-modulators / demodulators/head-end amplifiers/satellite equipment. The 4U size standard rack enables to either install on 19-inch cabinet, or use wall-hanging mode.
Features
l Able to insert the mini-modulator, the satellite equipment, and so on
l The 4U size standard rack platform
l The switching supply used is applicable to voltage 100~280V
l Built-in combiner
Specifications
Item | Unit | Specifications |
RF | ||
Output Channels | MHz | E2~E69 |
System | PAL B/G, D/K, M/N | |
Output Level | dBµV | 110 |
RF | dB | 20 |
V/A Ratio | dB | -10~30 |
Visual Carrier Stability | Khz | ≤3.8 |
Aural Carrier Stability | Khz | ±1 |
Spurious Outputs | dB | -65 |
C/N Ratio | dB | 66 |
Out-of-Band Noise | dB | -68 |
Video | ||
Min. Video Input | Vp-p | 0.5(87-5%) |
Differential Gain | % | ≤3 |
Differential Phase | ° | ≤3 |
C/L Delay | nsec | ≤75 |
Frequency Response | dB | ±1(50Hz-50MHz) |
Video S/N | dB | ≥62 |
Audio | ||
Input Level | mV(25KHzDev) | 200 |
Input Impedance | Kohm(un-balanced) | 10 |
Frequency Response | dB | ±1 |
Distortion(THD) | Maximum | 1% |
Pre-emphasis | usec(mono) | 75 |
General | ||
Power Supply | V | 220V |
Operating Temperature | Centigrade | 0~40 |
Dimensions | mm | 420*195*45 |
Weight | KG | 11.4 |
Amplifier and combiner parameters | ||
Insertion Loss | dB | ±1 |
Mhz | 860 | |
Mutual Isolation | dB | ≥30 |
Return Loss | dB | ≥12 |
Inputs | 16 | |
Deviation | dB | ≤3 |
