WA1300CEAM series outdoor bi-directional trunk amplifier is the new developed high-gain amplifier. Mature and optimized circuit design, scientific and reasonable internal process and high quality materials, ensure the stable gain and low distortion. It is the best choice for building large or middle-sized CATV bi-directional transmission network.
1. The forward path preceding stage adopts the newest high index imported low noise push-pull amplifier module or GaAs push-pull module, output stage adopts the newest high index imported power doubly amplifier module or GaAs amplifier module. The nonlinear index is good and output level is more stable. The return path adopts the newest high index imported return dedicated amplifier module. The distortion is low and the signal to noise ratio is high.
2. Outdoor Modular Bi-directional Amplifier with more convenient to debug because of the plug-in duplex filter, plug-in fixed (or adjustable) equalizer and attenuator, and the scientific and reasonable on-line detection ports.
3. 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.
4. The shell adopts embedded modular design; Equipment maintenance, replacement, and debugging are convenient.
|
Item |
Unit |
Technical Parameters |
|
Forward Path |
|
Frequency range |
MHz |
47/54/85-862/1003 |
|
Rated gain |
dB |
30 |
34 |
36 |
38 |
40 |
|
Minimum full gain |
dB |
≥ 30 |
≥ 34 |
≥ 36 |
≥ 38 |
≥ 40 |
|
Rated input level |
dBμ V |
72 |
|
Rated output level |
dBμ V |
108 |
|
Flatness in band |
dB |
± 0.75 |
|
Noise figure |
dB |
≤ 10 |
|
Return loss |
dB |
≥ 16 |
|
Attenuation |
dB |
1-18 (Fixed insert, 1dB stepping) |
According to user requirements |
|
Equilibrium |
dB |
1-15 (Fixed insert, 1dB stepping) |
|
C/CTB |
dB |
65 |
Test condition: 79 channels signal, output level: 85MHz/550MHz/860MHz.
99dBuV/105dBuV/108 dBuV |
|
C/CSO |
dB |
63 |
|
Group delay |
ns |
≤ 10 (112.25 MHz/116.68 MHz) |
|
AC hum modulation |
% |
< 2% |
|
Gain stability |
dB |
-1.0 ~ +1.0 |
|
Return Path |
|
Frequency range |
MHz |
5 ~ 30/42/65 |
|
Rated gain |
dB |
≥ 20 |
|
Minimum full gain |
dB |
≥ 22 |
|
Maximum output level |
dBμ V |
≥ 110 |
|
Flatness in band |
dB |
± 0.75 |
|
Noise figure |
dB |
≤ 12 |
|
Return loss |
dB |
≥ 16 |
|
Carrier to second-order inter-modulation ratio |
dB |
≥ 52 |
Test Condition: Output level 110dBuV, test points: F1=10MHz, f2=60MHz, f3=f2-f1=50MHz |
|
Group delay |
ns |
≤ 20 (57MHz/59MHz) |
|
AC hum modulation |
% |
< 2% |
|
General Performance |
|
Characteristic impedance |
Ω |
75 |
|
Test port |
dB |
-20± 1 |
|
Power supply voltage |
V |
A: AC (135 ~ 250) VB: AC(35 ~ 90) V |
|
Impulse withstand voltage(10/700μ s) |
kV |
> 5 |
|
Power consumption |
W |
29 |
|
Dimension |
mm |
295 (L)× 210 (W) × 150 (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.
