Specifications

1.CATV bidirection trunk amplifier
2.Waterproof type
3.Obverse output level is 98,102dBuV
4.Reverse output level is 90,96dBuV

CATV Bi-Direction Trunk Amplifier EHA820

 

1.0  Products Description

EHA820 Bi-directional Trunk Amplifier is special designed for satisfy the requirements of CATV HFC web structure expandation to the interactive service area .Its obverse is double module magnify, and its reverse is single module magnify, downlink bandwidth from 750MHz or 860MHz, and its uplink can be adjusted according to the subscriber’s practical condition .In order to adapt the network upgrade and regeneration in the future ,it adopts module structure each unit relatively independent ,and can be inserted ,pulled and replaced agility.Then the subscribers can pertinently choose them with the web’s practicality.

 

2.0  Features

1. 860MHz,750MHz wide ,can satisfy the transmission of simulate and digital signal;

2. Has bilateral function ,make the web much more consummate;

3.High target ,standard bilateral filter ,USE and interchange very conveniently;

4. Supply various division ways;

5. Supply reverse magnify and obligate.

 

3.0 Technology Parameter

Item	Unit	Obverse Parameter	Reverse Parameter
Work Frequency	MHz	47 ~ 750/860(87 ~ 750/860)	5 ~ 35(5 ~ 65)
Operating Gain	dB	36 ~ 40	15 ~ 21
Gain adjust range	dB	Fixed 1357……	Fixed 1357……
Flatness In Band	dB	±0.5	±0.5
Input Level	dBµV	72	75
Output Level	dBµV	98  102	90  96
Noise Figure	dB	8	8
CSO	dB	70  66
CTB	dB	75  67
Return Loss	dB	16
Carrier Hum Ratio	dB	66
Shock Resist Voltage	KV	5(10/700µS)
Power Voltage	V	AC60/AC220(50Hz)

 

 

4.0 Functional Block Diagram

 

 

 

 

 

 

 

 

 

Certificates :