Introduction
AS a QAM modulator, it shows professional performance for received transport stream signal to output as frequency band for suitable CATV band transmission. It is also easy to select frequency band via front control panel.
Feature
• ASI input transport stream
• Excellent RF output
• Supports QAM modulation
• Supports PCR re-stamping function
• User adjustable output level and frequency
• Front panel control
• QAM Modulation setting (64, 256QAM)
• PCR Jitter: = ± 200 ns
• Group Delay as ± 20 ns
• MER After Equalizer: 42dB
• Phase Noise: VHF -105 dB@20KHz, UHF -103 dB@20KHz
• Frequency: 54 ~ 870MHz
• Output Level: 55±5 dBmV
• Spurious: = -63dB
Competitiveness
• Hi-dense modulating for QAM(Annex A, B and C)
• Advanced coding as ITU-T(J.83) Annex A, B and C
• Cost effective with simple set-up and operation
• Hybrid AMP integrated
• Space efficient
Specification
Digital Input
Transport Stream
ASI
Connector
BNC (75?)
Coding
ITU-T (J.83) Annex A, B and C
Bit Rate
1~52 Mbps
Packet Format
188 Byte
Symbol Rate
1~7Mbps
Modulation
64,256 QAM
RF Output
Frequency Range
54~870MHz
Impedance
75?
Output Level
50 ± 5 dBmV
Level Control Range
0~-15dB
Bandwidth
6MHz : Annex B and C
8MHz : Annex A
MER After Equalizer
42 dB
MER Before Equalizer
37 dB
Phase Noise
VHF -105 dB@20KHz
VHF -103 dB@20KHz
Adjacent Channel Carrier
Attenuation Characteristic
= 45 dB (Out-of-band)
Spurious
=-63 dB
Return Loss
=15 dB
Group Delay
±2 0ns
Frequency Response
± 0.5dB
Frequency Tolerance
±2ppm
PCR Jitter
= ± 200 ns
General
Power Requirements
AC 90~230V, 50/60Hz
Power Consumption
13W
Weight
3Kg
Dimensions
482 x 44 x 383 mm
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