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CATV Field Trunk Amplifier With AGC (DT-FTAA-8200)

 Description

CATV trunk amplifier,DT-FTAA-8200 outdoor bidirectional amplifier is a high gain high output modular 

AGC amplifier,It is suitable to the 1GHz CATV bidirectional cable transmission network,Forward Path:

(Operating Frequency:47/85-860/100MHz,Highest Gain:≥38dB,C/CTB:≥67dB,C/CSO:≥65dB.),Return 

Path:(Operating Frequency:5~ 57/59MHz,Highest Gain:≥24dB,Carriersecond order intermodulation ration

:≥52dB,Operating Voltage :AC150~265V or AC 35~90V(50Hz),Dimension:247mm x :205mm x 123mm.


 Features

Field Bidirectional AGC.

cast aluminum waterproof shell.


Application

CATV System.

Building large or middle-sized CATV bi-directional transmission network.

 

 Technique Parameters

Item

Unit

Technique Parameter

Downlink Transmission Path

Frequency Range

MHz

47/85 ~860/1000

Rated Gain

dB

30

34

36

38

Minimum Full Gain

dB

≥30

≥34

≥36

≥38

Rated Input Level

dBμV

72

Rated Output Level

dBμV

106/108

Flatness in Band

dB

±0.75

Noise Figure

dB

≤ 10

Return Loss

dB

≥ 16

Attenuation

dB

1-18 (Fixed insert,

1dB stepping)

According to user requirements

Equilibrium

dB

1-15(Fixed insert,

1dB stepping)

C/CTB

dB

≥67

Test condition: 79 channels signal, 

output level: 

53MHz/550MHz/750MHz . 

99dBuV/105dBuV/108 dBuV

C/CSO

dB

≥69

AGC Pilot Carrier Frequency

MHz

168.25Or up to users

AGC Characteristic

dB

±4Input/±0.5Output

Group Delay

ns

≤ 10  (112.25 MHz/116.68 MHz)

Signal to Hum Ratio

%

< 2

Gain Stability

dB

-1.0 ~ +1.0

Uplink Transmission Path

Frequency Range

MHz

5 ~ 42/65

Rated Gain

dB

12

16

20

24

Maximum Output Level

dBμV

≥ 110

Flatness in Band

dB

±0.75

Noise Figure

dB

≤ 12

Return Loss

dB

≥ 16

Carrier to Second-order Inter-modulation Ratio

dB

≥ 52

Test Condition: Output level is 110dBuV, 

test points: 

 F1=10MHz, f2=60MHz, f3=f2-f1=50MHz

Group Delay

ns

≤ 20  (57MHz/59MHz)

Signal to Hum Ratio

%

< 2

General Characteristic

Characteristic

Impedance

Ω

75

Test Interface

dB

-20±1

Supply Voltage

V

AAC135 ~ 250VBAC35 ~ 90

Impulse Withstand Voltage10/700μs

kV

> 5

Power Consumption

W

25

Dimensions

mm

247*205*123

 

Ordering Guide

Please check: uplink and downlink crossover frequency of bidirectional paths and the frequency of AGC pilot signals.