Summary
Adopt attenuation and equalization circuit that made up of electronically controlled RF attenuation chip set with low distortion, excellent linearity. Control characteristics with microprocessor. Regulation precision is high; operation is more convenient and intuitive because of LCD.NEC GaAs power double module is used as output to ensure excellent system indicators. It's the best choice for large and medium-sized front room.
Performance Characteristic
Attenuation circuit controlled by microprocessor.
LCD for convenience.
National standard class II gateway transponder.
Dual power supply hot backup is used to improve network reliability (User Selectable).
NEC GaAs power double module is used to ensure excellent system indicators.
19”1U standard rack. It's easy to install. It's more reliable.
Technique Parameters
|
Items
|
Unit
|
Technique Parameters
|
|
Frequency Range
|
MHz
|
45-1000
|
|
Rated Gain
|
dB
|
22
|
|
Gain Adjustable Range
|
dB
|
0~20(1dBStepping)
|
|
Slope Adjustable Range
|
dB
|
10
|
|
Rated Input Level
|
dBμV
|
78
|
|
Rated Output Level
|
dBμV
|
100
|
|
Flatness in Band
|
dB
|
±0.5
|
|
Return Loss
|
dB
|
≥16
|
|
Input / Output Impedance
|
Ω
|
75
|
|
Noise Figure
|
dB
|
≤7
|
|
C/CTB
|
dB
|
≥75
|
|
C/CSO
|
dB
|
≥75
|
|
Carrier to Cross Modulation ratio
|
dB
|
≥72
|
|
Carrier to Hum ratio
|
dB
|
≥68
|
|
Voltage
|
V
|
AC 220V±10%(50Hz)or DC~48V
|
|
Power Consumption
|
W
|
25
|
|
Operating Temperature
|
°C
|
0~45
|
|
Relative Humidity
|
%
|
Maximum95%No Condensation
|
|
Dimension
|
mm
|
483(L)X 256(W)X 44(H)
|