| 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). |
