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OPCA-1100KL Field Trunk Bi-directional Amplifier
   Content
Description
OPCA-1100KL field trunk bi-directional amplifier is mainly used for bi-directional trunk transmission of CATV television image signal, digital TV signal, telephone voice signals and data (or compressed data) signal. Advanced and mature circuits, scientific and reasonable process structures and high quality materials, ensure the excellent performance. It is the best choice for building large or middle-sized CATV bi-directional transmission network.
 
Product feature
(1) 1000MHz bandwidth design.
(2) The pre-amp of forward path adopts GaAs MMIC amplify module, output stage adopts the latest imported, high index, power double module, achieve the high output level, low distortion and high signal to noise ratio.
(3) It is more convenient to debug because of the plug-in duplex filter, equalizer, attenuator, output splitter and the scientific and reasonable on-line detection ports.
(4) 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.
 
Technical data
Item
Unit
Technical Parameter
Forward Path
Frequency range
MHz
87(47) ~ 862
87(47)~ 1000
Rated gain(@FZ110)
dB
30
38
Rated input level
dBμV
72
70
Rated output level
dBμV
102
108 (EQ6dB)
Flatness in band
dB
±0.75
±0.75
Noise figure
dB
≤10
≤10
Return loss
dB
≥16
C/CTB
dB
≥70
≥66
C/CSO
dB
≥67
≥64
Group delay
ns
≤10  (112.25 MHz/116.68 MHz)
Signal to hum ratio
%
< 2
Gain stability
dB
-1.0 ~ +1.0
Return Path
Frequency range
MHz
5 ~ 65 (30)
Rated gain(@FZ110)
dB
24(Different modules, different gain) (Or specify by the users)
Maximum output level
dBμV
110
Flatness in band
dB
≤±0.75
Noise figure
dB
≤12
Return loss
dB
≥16
Signal to hum ratio
%
< 2
General Performance
Characteristic impedance
Ω
75
Power supply voltage
V
A:AC(135~250)V or B:AC(35~90)V
Impulse withstand voltage
kV
>5(10/700μs)
Power consumption
W
≤20
Dimension
mm
270(L)x 215(W)x118(H)
Note: The parameters of this manual are measured when adopting imported NEC module. Different modules will be different parameters. Attention when used.
 
Block Diagram

 

 
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