8-VSB Modulator
DVM-1903ML- Retain your viewers with optimized modulator for ATSC(8-VSB)
- Cost reduction for installing with simple set-up and operation
- Stable output with hybrid AMP integrated
- Secure more space with compact and light weight design
8-VSB Modulator
Introduction
Professionally performing device based on selectable ATSC (8-VSB), QAM, or DVB-T standard modulation DVM-1903ML Modulator shows superior quality in modulation of MPEG transport stream DVB-ASI signal to excellent RF output with adjustable frequency and output level.
Features
- ASI input transport stream
- Excellent RF output
- 8-VSB(ATSC)
- User adjustable output level and frequency
- Front panel control
- PCR Jitter: ≤ ± 200 ns
- Group Delay as ± 20 ns
- Phase Noise VHF -105 dB@20KHz, UHF -103 dB@20KHz
- Frequency: 54 ~ 1002MHz
- Output Level: 55±5 dBmV
- Spurious: ≤ -63dB
- MER After Equalizer: 42dB
- Highly advanced fine-tuning
Specification
Digital Input
- Transport Stream
- DVB-ASI
- Connector
- BNC (75Ω)
- Coding
- ITU-T (J.83) Annex D
- Bit Rate
- 19.393 Mbps
- Packet Format
- 188Byte
- Symbol Rate
- 10.762 Msymbol/s
- Modulation
- 8-VSB
RF Output
- Frequency Range
- 54~1002MHz
- Impedance
- 75Ω
- Output Level
- 50 ± 5 dBmV
- Level Control Range
- 0~-15dB
- Bandwidth
- 6MHz
- MER After Equalizer
- ≥ 42 dB
- MER Before Equalizer
- ≥ 37 dB
- Phase Noise
- VHF -105 dB@20KHz
- UHF -103 dB@20KHz
- Adjacnt Channel Carrier Attenuation Characteristic
- ≥ 45 dB (Out-of-band)
- Spurious
- ≤-63 dB
- Return Loss
- ≥ 17 dB
- Group Delay
- ± 20ns
- Frequency Response
- ± 0.5dB
- Frequency Tolarance
- ± 2ppm
- PCR Jitter
- ≤ ± 200 ns
General
- Power Requirements
- AC 90~230V, 50/60Hz
- Power Consumption
- 13W
- Weight
- 3Kg
- Demensions
- 482 x 44 x 383 mm
