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1GHz Bi-directional Trunk Field CATV Amplifier
1GHz Bi-directional Trunk Field CATV Amplifier
1GHz Bi-directional Trunk Field CATV Amplifier

1GHz Bi-directional Trunk Field CATV Amplifier,(DT-TA-8300) is

 suitable to the 1GHz CATV bidirectional cable transmission network,

Forward Path:(Operating Frequency:47/85~1000MHz,Highest 

Model: DT-TA-8300 Brand: DAYTAI
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Product Description

1GHz Bi-directional Trunk Field CATV Amplifier,(DT-TA-8300) is suitable to the 1GHz CATV bidirectional cable transmission network,

Forward Path:(Operating Frequency:47/85~1000MHz,Highest Gain:≥40dB,C/CTB:≥65dB,C/CSO:≥63dB.),Return Path(Operating

Frequency:5~30/42/45/65MHz,Highest Gain:≥20dB,Carrier second order intermodulation ration:≥52dB,Operating 

Voltage :AC150~265V or AC 35~90V(50Hz),Dimension:289mm x :218mm x 123mm.


Features

⊙Plug-in equalizer and attenuator, GaAs power doubler output.

⊙Two channel independent out put ,cast aluminum waterproof shell.

Specification

Item

Unit

Specification

Forward Path

Frequency range

MHz

47/85 ~ 1000

Rated gain

dB

30

34

36

38

40

Minimum full gain

dB

≥30

≥34

≥36

≥38

≥40

Rated input level

dBμV

72

Rated output level

dBμV

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

1-15Fixed insert,1dB stepping

C/CTB

dB

65

Test condition: 79 channels signal,

output level:

85MHz/550MHz/860MHz.

99dBuV/105dBuV/108 dBuV

C/CSO

dB

63

Group delay

ns

≤10  (112.25 MHz/116.68 MHz)

AC hum modulation

%

< 2%

Gain stability

dB

-1.0 ~ +1.0

Return Path

Frequency range

MHz

5 ~ 30/42/45/65

Rated gain

dB

≥20

Minimum full gain

dB

≥22

Maximum output level

dBμV

≥ 110

Flatness in band

dB

±0.75

Noise figure

dB

≤ 12

Return loss

dB

≥ 14

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)

AC hum modulation

%

< 2%

General Performance

Characteristic impedance

Ω

75

Test port

dB

-20±1

Power supply voltage

V

AAC135 ~ 250VBAC35 ~ 90V

Impulse Withstand

Voltage10/700μs

kV

> 5

Power consumption

W

35

dimension

mm

289*218*123


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