CATV Amplifier feature:
1.1003MHz bandwidth design.
2. Forward path: The pre-stage adopts GaAs MMIC, output stage adopts the newest imported
High index power doubly module, achieve high output level, low distortion and high SNR.
3. Plug-in duplex filter, EQ, ATT.
4. The equipment can long time continuous work steadily under outdoor bad environmental condition.
|
Item |
Unit |
Technical Parameter |
|
Forward Path |
|
Frequency range |
MHz |
45 (87) ~ 862/ 1003 (optional) |
|
Rated gain |
dB |
30 (the pre-stage adopts low gain MMIC) |
38 (the pre-stage adopts high gain MMIC) |
|
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-AC Ratio |
% |
< 2 |
|
Gain stability |
dB |
-1.0 ~ +1.0 |
|
Return Path |
|
Frequency range |
MHz |
5 ~ 65 |
|
Rated gain |
dB |
24(Different modules, different gain. Can be specified by the users.) |
|
Maximum output level |
dBμV |
110 |
|
Flatness in band |
dB |
≤±0.75 |
|
Noise figure |
dB |
≤8 |
|
Return loss |
dB |
≥16 |
|
Signal-AC Ratio |
% |
< 2 |
|
General Performance |
|
Characteristic impedance |
Ω |
75 |
|
Power supply voltage |
V |
A: AC (150~250)V; B: AC (35~90)V |
|
Impulse withstand voltage |
kV |
> 5 (10/700μs) |
|
Power consumption |
W |
≤20 |
|
Dimension |
mm |
220 (L)* 205 (W)* 65 (H) |
Prevail was founded in 2001, Hangzhou Prevail Optoelectronic Equipment Co., Ltd.Which is one of the earliest, largest, and most professional factory in CATV industry.
Our factory has been studying and developing different kinds of optoelectronic transmission equipments for HFC and FTTH networks since our foundation.Covering an area of over 15, 000 square meters, our factory boasts nearly 500 employees, 20% of whom have senior professional technique titles, eight assembling lines, and 21 testing and adjusting lines.
Our test instruments are mainly imported from the U.S.A (HP), which worth more than USD1.25 million.Some business institutes are set up both at home and abroad.
Our main products include HFC Optical Transmission&HFC Cable Transmission equipments.
Prevail always adheres to the "excellence, quality first" principle of the quality, taking the leading in passing ISO9001, ISO 14001, OHSAS18001, CE etc certifications.
