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1GHz High-Class Outdoor Field CATV Amplifier,(DT-HTA-8300) is
a high gain high output modular amplifier,It is suitable to the 1GHz
CATV bidirectional cable transmission network,Forward Path
1GHz High-Class Outdoor Field CATV Amplifier,(DT-HTA-8300) is a high gain high output modular amplifier,It is suitable to the 1GHz
CATV bidirectional cable transmission network,Forward Path:(Operating Frequency:47/54/85-862/1003 MHz,Highest Gain:≥40dB,
C/CTB:≥65dB,C/CSO:≥63dB.),Return Path:(Operating Frequency:5~ 30/42/65MHz,Highest Gain:≥20dB,Carrier second order
intermodulation ration:≥52dB,Operating Voltage :AC150~265V or AC 35~90V(50Hz),Dimension:295mm x :210mm x 150mm.
★Features
⊙Plug-in equalizer and attenuator, GaAs power doubler output.
⊙Two-channel independent output ,modular cast aluminum waterproof shell.
Item | Unit | Technical Parameters | |||||
Forward Path | |||||||
Frequency range | MHz | 47/54/85-862/1003 | |||||
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 ~ 30/42/65 | |
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 | ≥ 16 | ||
Carrier to second-order inter-modulation ratio | dB | ≥ 52 | Test Condition: Output level 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(45 ~ 90) V | |
Impulse withstand voltage(10/700μs) | kV | > 5 | |
Power consumption | W | 29 | |
Dimension | mm | 295 (L) × 210 (W) × 150 (H) |