| 经销商 | 联系方式 |
|---|---|
| 爱思创Extron电子 | 4000.398766、 021-3760 1568 |
Extron P/2 DA8 和 P/2 DA8 A 是具有 8 路输出的 VGA 分配放大器。每个单元都可接受 1 路 VGA 输入信号，并且主动分割以便分配到多路输出。P/2 DA8 和 P/2 DA8 A 提供了 350 MHz (-3 dB) 的 RGB 视频带宽，与 VGA-QXGA 图形卡、投影机和平板显示器相兼容。输出经过单独的缓冲和放大，有助于保持原始信号的完整性并消除了噪声干扰。ID 位路由至输出一，以便支持本地监视器。P/2 DA8 A 有一个集成的 1 路输入，8 路输出的立体声音频分配放大器。它的有源 PC 音频缓冲可转换不平衡 PC 音频至平衡，在长距离电缆传输中确保信号的完整性并消除了噪声干扰。
Extron P/2 DA12 和 P/2 DA12 A 是具有 12 路输出的 VGA 分配放大器。每个单元都可接受 1 路 VGA 输入信号，并且主动分割以便分配到多路输出。P/2 DA12 和 P/2 DA12 A 提供了 350 MHz (-3 dB) 的 RGB 视频带宽，与 VGA-QXGA 图形卡、投影机和平板显示器相兼容。输出经过单独的缓冲和放大，有助于保持原始信号的完整性并消除了噪声干扰。ID 位路由至输出一，以便支持本地监视器。P/2 DA12 A 有一个集成的 1 路输入，12 路输出的立体声音频分配放大器。它的有源 PC 音频缓冲可转换不平衡 PC 音频至平衡，在长距离电缆传输中确保信号的完整性并消除了噪声干扰。
特性
·350 MHz (-3 dB) RGB 视频带宽，满载
·与 VGA-QXGA 分辨率兼容
·DDC 信号和 ID 位路由至本地监视器输
·通过触点闭合实现单独的输出静音
·可选择输入和输出同步阻抗
·有源 PC 音频缓冲
示意图
面板图
| P/2 DA8/12 Series | |||
| Video | |||
|---|---|---|---|
| Gain | Unity | ||
| Bandwidth | 350 MHz (-3 dB), fully loaded | ||
| Video input | |||
| Number/signal type | 1 VGA-QXGA RGBHV, RGBS, RGsB, RsGsBs, HDTV component video, S-video, composite video | ||
| Connectors | (1) 15-pin HD female (optional Mac/VGA adapters are available) | ||
| Nominal level |
1.0 Vp-p for Y of component video and S-video, and for composite video 0.7 Vp-p for RGB and for R-Y and B-Y of component video 0.3 Vp-p for C of S-video |
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| Minimum/maximum levels | Analog: 0.3 V to 1.5 Vp-p with no offset at unity gain | ||
| Impedance | 75 ohms | ||
| Horizontal frequency | 15 kHz to 135 kHz | ||
| Vertical frequency | 30 Hz to 150 Hz | ||
| Return loss | <-40 dB @ 5 MHz | ||
| Input coupling | DC | ||
| Video output | |||
| Number/signal type | 8 or 12 (depending on model) VGA-QXGA RGBHV, RGBS, RGsB, RsGsBs, HDTV component video, S-video, composite video (follows input type) | ||
| Connectors | 8 or 12 female 15-pin HD | ||
| Nominal level |
1.0 Vp-p for Y of component video and S-video, and for composite video 0.7 Vp-p for RGB and for R-Y and B-Y of component video 0.3 Vp-p for C of S-video |
||
| Minimum/maximum levels | 0.3 V to 1.5 Vp-p (follows input) | ||
| Impedance | 75 ohms | ||
| Return loss | <-40 dB @ 5 MHz | ||
| DC offset | ±5 mV with input at 0 offset | ||
| Sync | |||
| Input type | RGBHV, RGBS, RGsB, RsGsBs; bi-level and tri-level sync | ||
| Output type |
RGBHV, RGBS, RGsB, RsGsBs; bi-level and tri-level sync (follows input) Tri-level on Y, R-Y, B-Y channels (component video 720p, 1080i, 1080p) Bi-level on Y channel (for all other component video rates) |
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| Input level | 1.8 V to 5.0 Vp-p | ||
| Output level | TTL: 5.0 Vp-p, unterminated | ||
| Input impedance | 510 ohms | ||
| Output impedance | 50 ohms | ||
| Max. propagation delay | 60 ns | ||
| Max. rise/fall time | 2 ns | ||
| Polarity | Positive or negative (follows input) | ||
| Audio — audio (A) models only | |||
| Gain | Unbalanced output: 0 dB; balanced output: +6 dB | ||
| Frequency response | 10 Hz to 20 kHz, ±0.2 dB | ||
| THD + Noise | 0.03% @ 1 kHz at nominal level | ||
| S/N | >90 dB at maximum output (unweighted) | ||
| Crosstalk | <-45 dB @ 1 kHz | ||
| Stereo channel separation | >80 dB @ 1 kHz | ||
| Audio input — audio (A) models only | |||
| Number/signal type | 1 stereo, unbalanced | ||
| Connectors | (1) 3.5 mm mini audio jack (tip, ring, sleeve) | ||
| Impedance | >10 k ohms unbalanced, DC coupled | ||
| Nominal level | -10 dBV (316 mVrms) | ||
| Maximum level | +16 dBu, (unbalanced) at 1% THD+N | ||
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| Audio output — audio (A) models only | |||
| Number/signal type | 8 or 12 (depending on model) stereo, balanced/unbalanced | ||
| Connectors | (8 or 12) 3.5 mm captive screw connectors, 5 pole | ||
| Impedance | 50 ohms unbalanced, 100 ohms balanced | ||
| Gain error | ±0.1 dB channel to channel | ||
| Maximum level (Hi-Z) | >+28 dBu balanced, >+20 dBV unbalanced at 1% THD+N | ||
| Maximum level (600 ohm) | >+21 dBm balanced, >+18 dBm unbalanced at 1% THD+N | ||
| Control/remote — distribution amplifier | |||
| Contact closure mute control |
(2) 3.5 mm captive screw connectors, 4 pole, and (2) 3.5 mm captive screw connectors, 3 pole |
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| Contact closure pin configuration | |||
| 8-output models | A = mute all outputs, 1 = mute output 1, 2 = mute output 2, 3 = mute output 3,... 8 = mute output 8 | ||
| 12-output models | A = mute all outputs, 1 = mute output 1, 2 = mute output 2, 3 = mute output 3,... 12 = mute output 12 | ||
| General | |||
| Power | 100 VAC to 240 VAC, 50/60 Hz, 30 watts, internal | ||
| 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 | Convection, no vents | ||
| Mounting | |||
| Rack mount | Yes, with included brackets (MBD 149, part #70-077-03) | ||
| Furniture mount | Yes, with optional Under-Desk Mounting Kit (MBU 149, part #70-222-01) | ||
| Enclosure type | Metal | ||
| Enclosure dimensions |
1.6" H x 17.4" W x 8.5" D (1U high, full rack wide) (4.1 cm H x 44.2 cm W x 21.6 cm D) (Depth excludes connectors.) |
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| Product weight | 6.0 lbs (2.7 kg) | ||
| Shipping weight | 9 lbs (5 kg) | ||
| Vibration | ISTA 1A in carton (International Safe Transit Association) | ||
| Regulatory compliance | |||
| Safety | CE, CUL, UL | ||
| EMI/EMC | CE, C-tick, FCC Class A, ICES, VCCI | ||
| MTBF | 30,000 hours | ||
| Warranty | 3 years parts and labor | ||
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