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OPCA-7181S Uni-directional line Amplifier
   Content
Description
OPCA-7181S broadband user amplifier is not only suitable for the cable to compensate the signal consumption in the CATV trunk system, but also suitable for signal amplification after optical receiver in HFC fiber system.
 
Feature
(1) Aluminum die-casting water-proof casing, good for heat dissipation.
(2) High flatness in-band, high non-linearity index.
(3) With RF test both at input and output port, easy to adjust and test.
(4) With in-frequency circuit inserting piece that can press some parts of the channels against high frequency during circuit adjustment.
(5) Inserted temperature consumption piece, reduce the gain drift caused by the changes of temperature into minimum value.
(6) Flexible RF output inserting piece, meet the various requirements of different customers.
 
Parameter
Unit
OPCA-7181S
Frequency Band
MHz
45~750
45~862
Flatness In Band
dB
±0.75
Rated input level
dBμV
72
Rated output level
dBμV
96
102
96
102
Rated Gain
dB
24
30
24
30
Gain adjustment range
dB
0~15
Slope adjustment range
dB
0~20 (9dB is fixed equalizer piece)
Return Loss
dB
≥14
Gain stability
dB
±0.5
Noise Figure
dB
≤10
≤12
CTB
dB
≥72
≥62
≥70
CSO
dB
≥66
≥62
≥66
≥66
Working temperature
dg
-45~85
Shock Resist Voltage
k
5(10-700μs)
Power Voltage
V
AC220±10% or DC30~60
Dimension
mm
270x200x75
Test Condition
At the range of 750MHz (112.25~743.25 MHz) when testing the C/CTB and C/CSO, set 79 PAL-D imitate TV channels signal. Set 93PAL-D imitate TV channels signal at the range of 862MHz (112.25~855.25MHz).
 
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