Bi-directional User Distribution Amplifier
It adopts high-output Philips microwave component amplifier, perfect fore-and-aft power doublers and fore-and-aft independent forward and reverse test ports suitable for bi-directional distribution network.
- Character Parameters:
Item |
Unit |
SR831 Series |
Forward Transmission |
Frequency Range |
MHz |
(45)87~550 |
(45)87~750 |
(45)87~862 |
Rated Gain |
dB |
24 |
Min Fill Gain |
dB |
≥24 |
Rated Input Level |
dBμV |
72 |
Rated Output Level |
dBμV |
96 |
Flatness in Band |
dB |
≤±1 |
Noise Figure |
dB |
≤10 |
Return Loss |
dB |
≥16 |
C/CTB (84 PAL-D) |
dB |
≥57 |
C/CSO (84PAL-D) |
dB |
≥56 |
Signal to Noise Ratio |
dB |
≥66 |
Voltage Stroke |
KV |
5(10/700μS) |
Backward Transmission |
Frequency Range |
MHz |
5~(30) 65 |
Rated Gain |
dB |
18 |
Flatness In Band |
dB |
≤±1 |
Noise Figure |
dB |
≤12 |
Return Loss |
dB |
≥12 |
MAX Output Level |
dBμV |
≥110 |
Carrier to second order inter modulation ratio |
dB |
≥52 |
Carrier alternate noise ratio |
dB |
≥66 |
General Response |
Power Voltage(50Hz) |
V |
220±15% OR 60 |
Power consumption |
VA |
10 |
Dimension |
Mm |
235(L) x 140 (W) x110(H) |