LA 8638-SIII is a professional CATV distribution
amplifier with GaAs hybrid module and surface mounting technology. The
performance of the complete unit is very reliable. The unit housing is uniquely
designed and complete water and EMC proof. The housing is specially coated
with elegant appearance.
To ensure the amplifier is working in
order, users have to read the manual carefully before installing. If there is
any question, please contact us or our distributor.
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Switch mode power |
Model |
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Power consumption：35W |
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～60V（27V-90V）Over current 10A |
LA8638-SIII 60 |
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～220V（100V-240V） |
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LA8638-SIII 220 |
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Parameters |
Scale-up Module Forward |
GaAs |
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Transmission bandwidth duplex segment 65/87（MHz） |
Forward 87 –862 |
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Reverse 5-65 |
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Forward gain（dB） |
≥ 2X38 ≥ 1X31 |
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Reverse gain（dB） |
≥18 |
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Flatness in-band（dB） |
Forward ±0.75 |
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Reverse ±0.75 |
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Reflection loss（dB） |
Forward≥ 15 |
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Reverse≥ 15 |
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Regulating range of the gain （dB） |
1dB stepping attenuation (optional) |
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Regulation range of the slope（dB） |
Fixed equalizers (1.5dB per step, optional) |
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Noise coefficient （dB） |
￡6.5 |
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Channels amount （PAL-D） |
59CH(46–550MHz) 25 CH for QAM(551MHz-860MHz) |
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output level (single channel) （dBμV）/per output |
48@862MHz - 108dBμV |
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Interstage slope 12dB EQ |
45@543MHz - 105dBμV |
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Distortion |
CSO（dB） |
-66 |
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CTB（dB） |
-69 |
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The control range of AGC |
±3dB |
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Current surge test |
2kV,1.2us/50us |
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Sealing degree |
IP 65 |
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With interstage equalizer interface |
Yes |
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With interstage temperature compensation ATT |
Yes |
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With AGC interface |
Yes |
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Working temperature (°C) |
-25～70°C |
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Dimension (mm) |
254′93′210mm (W x H x D) |
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Weight (kg) |
2.8 |
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