Specializing in R&D & Production in xPON & Optical Communication & CATV & Ethernet Networking
HANGZHOU DAYTAI NETWORK TECHNOLOGIES CO.,LTD.
DAYTAI-HANGZHOU-CHINA
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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
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.
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 | 1-15(Fixed 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 | ||||||
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 | A:AC(135 ~ 250)V;B:AC(35 ~ 90)V | ||||||
Impulse Withstand Voltage(10/700μs) | kV | > 5 | ||||||
Power consumption | W | 35 | ||||||
dimension | mm | 289*218*123 |