China CATV Trunk Amplifier Outdoor Bidirectional Amplifier

Specification of CATV Trunk Amplifier Outdoor Bidirectional Amplifier
1. CATV trunk amplifier
2. DT-TA-8300 outdoor bidirectional amplifier
3. It is suitable to the 1GHz CATV bidirectional cable transmission network
4. Forward Path: (Operating Frequency: 47/85~1000MHz, Highest, Gain: ≥ 40dB, C/CTB: ≥ 65dB, C/CSO: ≥ 63dB. )
5. Return Path(Operating Frequency: 5~30/42/45/65MHz, Highest Gain: ≥ 20dB
6. Carrier second order intermodulation ratio: ≥ 52dB
7. Operating Voltage: AC150~265V or AC 35~90V(50Hz)
8. Dimension: 289mm x: 218mm x 123mm
Feature of CATV Trunk Amplifier Outdoor Bidirectional Amplifier
1. Plug-in equalizer and attenuator, GaAs power doubler output.
2. Two channel independent out put, cast aluminum waterproof shell.
Application of CATV Trunk Amplifier Outdoor Bidirectional Amplifier
Building large or middle-sized CATV bi-directional transmission network

ItemUnitTechnical ParameterForward PathFrequency rangeMHz47/85 ~ 1000Rated gaindB3034363840Minimum full gaindB≥30≥34≥36≥38≥40Rated input leveldBμV72Rated output leveldBμV108Flatness in banddB±0.75Noise figuredB≤10Return lossdB≥16AttenuationdB1-18 (Fixed insert,1dB stepping)According to user requirementsEquilibriumdB1-15(Fixed insert,1dB stepping)C/CTBdB65Test condition: 79 channels signal,
output level:
85MHz/550MHz/860MHz.
99dBuV/105dBuV/108 dBuVC/CSOdB63Group delayns≤10 (112.25 MHz/116.68 MHz)AC hum modulation%< 2%Gain stabilitydB-1.0 ~ +1.0Return PathFrequency rangeMHz5 ~ 30/42/45/65Rated gaindB≥20Minimum full gaindB≥22Maximum output leveldBμV≥ 110Flatness in banddB±0.75Noise figuredB≤ 12Return lossdB≥ 14Carrier to Second-order Inter-modulation RatiodB≥ 52Test Condition: Output level is 110dBuV,
test points: F1=10MHz,f2=60MHz,f3=f2-f1=50MHzGroup delayns≤ 20 (57MHz/59MHz)AC hum modulation%< 2%General PerformanceCharacteristic impedanceΩ75Test portdB-20±1Power supply voltageVA:AC(135 ~ 250)V;B:AC(35 ~ 90)VImpulse Withstand Voltage(10/700μs)kV> 5Power consumptionW35dimensionmm289*218*123