1. Product SummaryWA1300CEAM series outdoor bi-directional
trunk amplifier is the new developed high-gain amplifier.
Mature and optimized circuit design, scientific and
reasonable internal process and high quality materials, ensure
the stable gain and low distortion. It is the best choice for
building large or middle-sized CATV bi-directional transmission
network. 2. Performance CharacteristicsThe forward path preceding
stage adopts the newest high index imported low noise
push-pull amplifier module or GaAs push-pull module, output stage
adopts the newest high index imported power doubly amplifier
module or GaAs amplifier module. The nonlinear index is good and
output level is more stable. The return path adopts the newest high
index imported return dedicated amplifier module. The distortion is
low and the signal to noise ratio is high.It is more convenient to
debug because of the plug-in duplex filter, plug-in fixed (or
adjustable) equalizer and attenuator, and the scientific and
reasonable on-line detection ports.The equipment can long time
continuous work steadily under outdoor bad environmental condition.
Because of the aluminum waterproof housing, high reliability
switching power supply and strict lightning protection system.The
shell adopts embedded modular design; equipment maintenance,
replacement, and debugging are convenient.3. Performance
ParametersItemUnitTechnical ParametersForward PathFrequency
rangeMHz47/54/85-862/1003Rated 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, specified by
the user)EquilibriumdB1-15 (Fixed insert,1dB stepping,
specified by the user)C/CTBdB70Test condition:
84 channels signal,output level:
85MHz/550MHz/860MHz.99dBuV/105dBuV/108 dBuVC/CSOdB68Group
delayns≤10 (112.25 MHz/116.68 MHz)AC hum modulation%<
2%Gain stabilitydB-1.0 ~ +1.0 Return PathFrequency rangeMHz5
~ 30/42/65Rated gaindB≥20Minimum full gaindB≥22Maximum output
leveldBμV≥ 110Flatness in banddB±0.75Noise figuredB≤ 8Return
lossdB≥ 16Carrier to second-order inter-modulation ratiodB≥ 52Test
Condition: Output level 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(45 ~ 90)VImpulse withstand
voltage(10/700μs)kV> 5Power
consumptionW35Dimensionmm295(L)x 210(W)x150(H)*Note: The
forward RF indicators above are measured when adopt NEC
module. Different modules, different parameters.
Product Processabout uscontact us /* January 22, 2024
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