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Khuếch Đại Trunk 870MHz LEA-8734

  • Description
    Outdoor 2-Way Mini-Trunk Amplifier
  • Producer
    Seehai
  • Price
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Description

Khuếch Đại Trunk 870MHz LEA-8734

- Two-way amplifier design with plug-in GaAs FET Hybrid Amplifier Modules and High Performance Diplex Filters, with high output level power and low power consumption, suitable for using as trunk and distribution amplifier in medium to large HFC networks.
- Adjustable gain, plug-in fixed slop / equalizer for forward and return path.
- Plug-in return hybrid amplifier module.
- Test points (-20dB) at forward path and return path, input and output
- 60VAC line powered with high performance switchmode power supply
- 15A AC feed through to any input and output ports, with 15A plug-in fuses and replaceable lightning protectors for each ports.
- Die-cast aluminium housing meets IP67 degree for dust and water protection, and environmental coating provides excellent corrosion resistance

 

MTA8734_-1

Data Sheet
ITEMS  FORWARD  RETURN
Technology  1 P.P & 2 P.D HYBRID  ---  1 P.P HYBRID
Broadband  82 ~ 870 MHz  5 ~ 65 MHz
Operating Gain (Includes DPXs, EQs …) 32 dB min.   - 3 dB 18 dB 
Response Flatness  ± 0.75 dB
Gain Control Range  0 ~ 20 dB Adjustable  ---  0 ~ 20 dB Adj.
Slope Control Range
(Fixed value, Plug-in modules) 		 3.0 / 4.5 / 6.0 / 7.5 / 9.0 / 10.5 / 12.0 dB  --- 3.0 /4.5 /6.0 /7.5 dB
Noise Figure  9 dB max.  ---  8 dB max.
Return Loss (75-ohm Reference)  12 dB min.
Recommended Output Levels
(Without output plug-in SP / D.C) 		 38 / 50 dBmV
(82 / 870 MHz) 		 --- 42 / 42 dBmV
( 5 / 65 MHz)
Rated Signal Level Distortion (*)  
Cross Modulation (XMOD)   - 65 dB  ---   - 70 dB
Composite Second Order (CSO)   - 68 dB  ---   - 70 dB
Composite Triple Beat (CTB)   - 67 dB  ---   - 75 dB
Input/Ouput Impedances  75 ohms
Hum Modulation  65 dB
Power Requirements  40 ~ 90 VAC
Maximum Power Consumption  36 Watts total
(includes Return Hybrid Amplif ier Module)
Power Frequency  50 / 60 Hz
Internal Circuit Voltage  DC 24 V ± 0.5 V (switchmode power supply)
Housing Design  Die-cast aluminium housing design with good heat
spread and IP67 degree of dust and water protection
Lighting Conductor  5 KA ( 8 / 20 µs ; 10 Shocks )
Dimension  320 x 210 x 135 mm ( L x W x H)
Weight  3.8 Kgs
Used for  MATV / CATV

* Measured with 96 PAL channels of Forward Path, 8 T channels of Return Path, Recommended Output Levels
 

 

Application

Khuếch Đại Trunk 870MHz LEA-8734

  • Analog CATV System
  • Digital CATV System
  • Resort & Hotel & Building CATV System

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