Decoders & Converters
HSD-450
HDMI to 2x SDI converter with re-clocking for lossless Full HD distribution
Bring any HDMI source onto professional SDI infrastructure: the HSD-450 converts one HDMI input to two simultaneous SDI outputs in Full HD 1080p — with re-clocking for long cable runs and dependable 24/7 operation.
Overview
The VIZOBOX HSD-450 is a compact professional converter that transforms an HDMI signal into two parallel SDI outputs, supporting Full HD 1080p via 3G-SDI as well as 1080i/720p (HD-SDI) and 576i/480p (SD-SDI). A pure hardware design with automatic input standard and format detection, low SDI jitter and SDI re-clocking compensates long cable runs without loss of video quality — up to 200 m in HD-SDI and 140 m in 3G-SDI. Housed in a robust aluminum enclosure with broadcast-grade circuit design, it is built for continuous 24/7 operation.
Highlights
- Full HD 1080p via 3G-SDI, backward compatible with 1080i/720p (HD-SDI) and 576i/480p (SD-SDI)
- Distributes one HDMI source to two simultaneous SDI outputs
- Low SDI jitter and SDI re-clocking compensate long cable runs without loss of video quality
- Automatic input standard and format detection
- Pure hardware design with broadcast-grade circuitry in an aluminum housing
- Designed for continuous 24/7 operation
Technical Specifications
| Input | |
|---|---|
| Input interface | 1 x HDMI (Type A) |
| Protocol | DVI 1.0, HDMI 1.3a, HDCP 1.3 |
| Interface bandwidth | 2.25 Gbps per color, fully digital (6.75 Gbps total) |
| Input resolution | 720p@50/60Hz, 1080i@50/60Hz, 1080p@25/30/50/60Hz |
| Signal type | DVI-D / HDMI digital T.M.D.S. signal per DVI 1.0 / HDMI 1.3a specification |
| Signal strength | T.M.D.S. 3.3 Vpp |
| Minimum/maximum level | T.M.D.S. 2.9 V / 3.3 V, impedance 50 Ω |
| Maximum DC offset error | ±15 mV |
| Recommended maximum HDMI cable distance | 10 m |
| Output | |
| Output interface | 2 x SDI (BNC) |
| Pixel bandwidth | 1.485 Gbps (HD-SDI), 2.97 Gbps (3G-SDI) |
| Signal strength | 0.8 Vpp ±10% |
| Minimum/maximum level | 0.5 V to 1.0 Vpp |
| Impedance | 75 Ω |
| SDI output resolution | 720p@50/60Hz, 1080i@50/60Hz, 1080p@25/30/50/60Hz |
| Cable reach (3G-SDI) | 140 m |
| Cable reach (HD-SDI) | 200 m |
| Clock jitter | < 0.15 Tbit |
| Rise / fall time | < 0.3 Tbit (20%–80%) |
| General | |
| Power interface | 1 x DC jack 2.1 mm |
| Power supply | AC 110–220 V 50/60 Hz to DC 5 V ±500 mA |
| Maximum power consumption | 5 W |
| Compliance | CE, FCC; ESD protection: contact discharge Level 3 (IEC 61000-4-2) |
| Storage & operating temperature | -25...80 °C |
| Storage & operating humidity | 0...95% |
| Dimensions / weight | 135 x 110 x 26 mm, 0.205 kg (aluminum housing) |
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