China Watts Speaker Audio Sound System Amplifier

CATV Trunk Amplifier feature:
1. Trunk Amplifier Adopts low noise philips or Motorola imported module.
2. Power doubler module or gallium arsenide module output, non-linear index is high equalizer.
3. Attenuator has fixed and adjustable structure for selectionoutput splitter or coupler can plug change to make engineering debug more agile forward and reverse fore-and-aft have independent test port.
4. Easy to debug return channel adopts philips or Motorola amplify module, good quality duplex filter, plug fixed attenuators and equalizers,
5. Makes it high c/n, easy to debug high reliable switch power and strict anti-thunder system fit for safe steady work in worse weather suitable for large
6. Or middle-size bi-directional network main trunk signal transmission can substitute imported and famous brand machine.

ITEM
UNIT

PARAMETER

WA8227-C-XX
WA8230-C-XX
WA7227-C-XX
WA7230-C-XX
WA5227-C- XX
WA5230-C-XX

Down Transmission
Frequency Range
MHz
47/87 - 860
47/87 - 750
47/87 - 550
Rated Gain

dB
27
30
27
30
27
30
Min Fill Gain
dB
≥ 27
≥ 30
≥ 27
≥ 30
≥ 27
≥ 30
Rated Input Level
dBµ V
72
Rated Output Level
dBµ V
99
102
99
102
99
102
Flatness in Band
dB
± 0.75
Noise Figure
dB
≤ 10
Return Loss
dB
≥ 16
AGC Pilot Frequency
MHz
168.25(or assigned by user)
AGC Accuracy
dB
± 3(Input)/ ± 0.3(Output)
Group Delay
ns
≤ 10(112.25MHz/116.68MHz)
Signal to Hum Ratio
%
< 2
Gain Steady
dB
-1.0 -+1.0
Upgo Transmission
Frequency Range
MHz
5 - 30/65
Rated Gain
dB
12
16
20
24
Min Fill Gain
dB
≥ 12
≥ 16
≥ 20
≥ 24
Max Output Level
dBµ V
≥ 110
Flatness in Band
dB
± 0.75
Noise Figure
dB
≤ 12
Return Loss
dB
≥ 16
Carrier to Second Order Intermodulation Ratio
dB
≥ 52
Group Delay
ns
≤ 20(57MHz/59MHz)
Signal to Hum Ratio
% < 2
General Performance
Special Impedance
Ω
75
Supply Voltage
V
A: AC(135 - 250)V: B: AC(35 - 90)V
Voltage
Srtoke
(10/700µ s)
KV > 5 Comsumption W
30Dimentionmm340(L) x 220(W) x 160(H)