Description
The DVM-1903ML VHF/UHF 8-VSB (ATSC) Digital Modulator offers a combination of features and reliability.
It complies with ATSC A53 standard for 8-VSB (ATSC) modulation for terrestrial HDTV broadcasting and is applicable for HDTV and SDTV broadcasting.
The DVM-1903ML can be used as a DTV broadcast modulator, tester, or a head end of an RF distribution network.
It can accept input through its DVB-ASI and SMPTE-310M (optional) input ports.
The modulator includes internal high quality up-converter with variable output between 54 and 870 MHz covering full VHF and UHF band.
The DVM-1903ML is very easy to control with front panel.
It provides outstanding and reliable output at a reasonable price for customers.
Features:
- ATSC A.53 8-VSB Compliant
- DVB-ASI Input
- SMPTE-310M Input (optional)
- Bandwidth: 6Mhz
- Output Level: 55 +/- 5 dBmV
- Level Control Range: 0 ~ -15 dB
- Adjustable output frequency: 54-870 MHz
- PCR Re-stamping
- Front panel control
Specifications
| 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 | 54~870MHz |
| Impedance | 75Ω |
| Output Level | 55 ± 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 |
| VHF -103 dB@20KHz | |
| Adjacent Channel Carrier Attenuation Characteristic |
≥ 45 dB (Out-of-band) |
| Spurious | ≤-63 dB |
| Return Loss | ≥17 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 |
Ordering Info
DVM-1903ML – 8-VSB (ATSC) Modulator