| 经销商 | 联系方式 |
|---|---|
| 爱思创Extron电子 | 4000.398766、 021-3760 1568 |
Extron DSC 3G-3G A 是一款高性能 3G-SDI 图像解析度转换器，可以在 3G-SDI、HD-SDI 和 SDI 分辨率以及帧率之间进行转换。它可接受分辨率从 480i 和 576i 到 1080p/60 和 2K 的 SMPTE 视频信号，并对其进行图像解析度转换和输出。DSC 3G-3G A 采用高级 Extron 视频信号处理技术，可对高达 1080i 的信号进行去隔行处理和深色处理。DSC 3G-3G A 还提供了音频加嵌、解嵌和音量调整等灵活的音频功能。双路 SDI 输出、同步锁相和输入环通可便于在高要求的专业环境中进行集成，同时其紧凑的外壳还能简化安装。在采用专业视频系统的应用环境，如视频编辑和制作、舞台租赁、医疗成像和大型演示等，DSC 3G-3G A 无疑是理想之选。
| 快速参考 |
|---|
| DSC 3G-3G A (宣传册) |
| Everlast 电源 (宣传册) |
| 可选附件 | ||
|---|---|---|
| 半机架搁板系统 | 半机架宽机架搁板和附件 | |
| MBU 125 | 用于 1/4 和 1/2 机架宽、两部件式产品的薄型安装套件 | |
| RSB 129 | Basic Rack Shelf for 9.5" Deep Products | |
| RSU 129 | 用于 9.5" 深产品的通用型机架搁板套件 | |
| USB CFG Cable | USB A 型插头对 USB Mini B 型插头配置电缆 | |
Extron DSC 3G-3G A 是一款高性能 3G-SDI 图像解析度转换器，可以在 3G-SDI、HD-SDI 和 SDI 分辨率以及帧率之间进行转换。它可接受分辨率从 480i 和 576i 到 1080p/60 和 2K 的 SMPTE 视频信号，并对其进行图像解析度转换和输出。DSC 3G-3G A 采用高级 Extron 视频信号处理技术，可对高达 1080i 的信号进行去隔行处理和深色处理。DSC 3G-3G A 还提供了音频加嵌、解嵌和音量调整等灵活的音频功能。双路 SDI 输出、同步锁相和输入环通可便于在高要求的专业环境中进行集成，同时其紧凑的外壳还能简化安装。在采用专业视频系统的应用环境，如视频编辑和制作、舞台租赁、医疗成像和大型演示等，DSC 3G-3G A 无疑是理想之选。
特性
3G-SDI 视频交叉转换
接受高达 2.97 Gbps 的 3G-SDI/HD-SDI/SDI 信号
2 路 3G-SDI/HD-SDI/SDI 同时输出
具有 30 位精确处理和支持高达 1080i 信号的动态自适应去隔行处理功能的高级图像解析度转换引擎
SDI 音频加嵌
SDI 音频解嵌
可选的输出分辨率，从 480i 和 576i 到 1080p/60 和 2K
输入均衡和缓冲环通时钟恢复
带环通的同步锁相输入
屏上菜单
用于校准和设置的内部视频测试图案和粉红噪音生成器
RS-232 控制端口
前面板 USB 配置端口
示意图
面板图
| DSC 3G-3G A | |||
| Video input | |||
|---|---|---|---|
| Number/signal type | (1) 3G/HD/SD-SDI digital video | ||
| Connectors | 1female BNC 1 female BNC loop-through |
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| Nominal level | 0.8 Vp-p | ||
| Impedance | 75 ohms | ||
| Horizontal frequency | 15 kHz to 67.5 kHz | ||
| Vertical frequency | 24 Hz to 60 Hz | ||
| Resolution range | 480i, 576i, 720p, 1080i, 1080PsF, 1080p, 2K (2048x1080) | ||
| Data rates | 270 Mbps, 1.485 Gbps, 2.970 Gbps | ||
| Return loss | ≥15 dB @ 5 MHz to 1.5 GHz | ||
| Input cable equalization | Automatic for up to -30 dB of cable loss | ||
| 3G-SDI | 60 m (200') using Extron RG6 cable 45 m (150') using Extron RG59 cable |
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| HD-SDI | 120 m (400') using Extron RG6 cable 90 m (300') using Extron RG59 cable |
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| SD-SDI | 150 m (500') using Extron RG6 cable 120 m (400') using Extron RG59 cable |
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| Operation standards | SMPTE 259M-C, 292M, 424M | ||
| Video processing | |||
| Digital sampling | 30-bit, 10 or 12 bits per color, 148.5 MHz standard (pixel clock) | ||
| Colors | 1.07 billion (10-bit processing) | ||
| Video output | |||
| Number/signal type | (2) 3G/HD/SD-SDI digital component video | ||
| Scaled resolutions | 480i 7 , 576i 6 , 720p 1,2,3,4,5,6,7,8 , 1080i 6,7,8 , 1080p 1,2,3,4,5,6,7,8 , 2K (2048x1080) 1,2,3,4,5,6,7,8 1 = at 23.98 Hz, 2 = at 24 Hz, 3 = at 25 Hz, 4 = at 29.97 Hz, 5 = 30 Hz, 6 = at 50 Hz, 7 = at 59.94 Hz, 8 = at 60 Hz | ||
| Connectors | 2 female BNC, SDI | ||
| Data rates | 270 Mbps, 1.485 Gbps, 2.970 Gbps | ||
| Nominal level | 0.8 Vp-p | ||
| Impedance | 75 ohms | ||
| DC offset | ±0.5 V with input at 0 offset | ||
| Timing jitter | ≤2.0 UI (unit interval) above 10 Hz (3G-SDI) ≤1.0 UI above 10 Hz (HD-SDI) ≤0.2 UI above 10 Hz (SD-SDI) |
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| Alignment jitter | ≤0.3 UI (unit interval) above 100 kHz (3G-SDI) ≤0.2 UI above 100 kHz (HD-SDI) ≤0.2 UI above 1 kHz (SD-SDI) |
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| External sync (genlock) | |||
| Number/signal type | 1 genlock input 1 genlock loop output |
||
| Connectors | 2 female BNC | ||
| External sync (genlock) | Auto-sensing: Tri-level (high definition: 720p through 2K), bi-level (standard definition: 480i and 576i) | ||
| Impedance | 75 ohms | ||
| Return loss | >30 dB @ 5 MHz (genlock input) ≥21 dB @ 5 MHz (genlock loop output) |
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| Audio | |||
| Frequency response | 20 Hz to 20 kHz,± 0.5 dB | ||
| THD + Noise | <0.1% @ 1 kHz, 20 kHz bandwidth at nominal level | ||
| S/N | >90 dB, at maximum output (unweighted) | ||
| Stereo channel separation | >80 dB @ 1 kHz | ||
| Audio input | |||
| Number/signal type | 1 SDI embedded audio 1 analog stereo, balanced/unbalanced |
||
| Connectors | 1 female BNC, SDI (1) 5 pole captive screw, analog |
||
| Impedance | > 10k ohms unbalanced,>20k ohms balanced | ||
| Nominal level | +4 dBu (1.23 Vrms), -10 dBV (316 mVRMS), adjustable | ||
| Maximum level | +21 dBu balanced, +15 dBu unbalanced | ||
| Input gain adjustment | -18 dB to +24 dB (analog) | ||
|
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| Audio output | |||
| Number/signal type | |||
| SDI | 2 AES — embedded audio — up to 16 channels pass-through | ||
| Analog | 1 stereo or mono, balanced/unbalanced | ||
| Connectors | |||
| SDI | 2 female BNC — audio embedded in SDI signal | ||
| Analog | (3) 3.5 mm captive screw, 5 pole | ||
| Impedance | 50 ohms unbalanced, 100 ohms balanced | ||
| Gain error | ±0.25 dB channel to channel | ||
| Maximum level (Hi-Z) | >+21 dBu, balanced >+11 dBu, unbalanced |
||
| Output volume range | 0 dB to -100 dB in 1.0 dB steps | ||
| Standards | SMPTE 291M, SMPTE 299M | ||
| Communications | |||
| Serial control port | 1 RS-232, 3 pole captive screw (rear panel) | ||
| Serial control pin configuration | Pin 1 = Tx, pin 2 = Rx, pin 3 = ground | ||
| Baud rate and protocol | 9600 baud, 8 data bits, 1 stop bit, no parity(default) | ||
| USB control port | 1 female mini USB-B (front panel) | ||
| Program control | On-screen display (OSD) via front panel control Extron Simple Instruction Set (SIS ™ ) Extron control/configuration program for Windows® |
||
| USB control port | 1 female USB mini-B (front panel) | ||
| General | |||
| Power supply | Internal Input: 100-240 VAC, 50-60 Hz |
||
| Power consumption | 13.9 watts | ||
| Temperature/humidity | Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing |
||
| Cooling | Fan, air flows from front to rear | ||
| Thermal dissipation | 47.3 BTU/hr | ||
| Mounting | |||
| Rack mount | Yes, with optional rack shelf | ||
| Furniture mount | Yes, with optional under-desk mounting kit | ||
| Enclosure type | Metal | ||
| Enclosure dimensions | 1.65" H x 8.75" W x 8.5" D (1U high, half rack wide) (4.2 cm H x 22.2 cm W x21.6 cm D) (Depth excludes connectors.) |
||
| Product weight | 2.1 lbs (1.0 kg) | ||
| Shipping weight | 4 lbs (2 kg) | ||
| Vibration | ISTA/NSTA 1A in carton (International Safe Transit Association) | ||
| Regulatory compliance | |||
| Safety | CE, c-UL, UL | ||
| EMI/EMC | CE, C-tick, FCC Class A, ICES, VCCI | ||
| Product warranty | 3 years parts and labor | ||
| Everlast power supply warranty | 7 year parts and labor | ||
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| (8.1-022216-D4) | |||
| 可选附件 | ||
|---|---|---|
| 半机架搁板系统 | 半机架宽机架搁板和附件 | |
| MBU 125 | 用于 1/4 和 1/2 机架宽、两部件式产品的薄型安装套件 | |
| RSB 129 | Basic Rack Shelf for 9.5" Deep Products | |
| RSU 129 | 用于 9.5" 深产品的通用型机架搁板套件 | |
| USB CFG Cable | USB A 型插头对 USB Mini B 型插头配置电缆 | |
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