| 经销商 | 联系方式 |
|---|---|
| 爱思创Extron电子 | 4000.398766、 021-3760 1568 |
Extron VSW 2VGA A 是一款体积紧凑、经济实用的 2 路输入、1 路输出的有源切换器，用于 VGA 和立体声音频。它允许用户在 2 路带音频的 VGA 信号源之间进行选择，并将选定的信号源传送至视频输出设备，例如数据监视器或投影机。此外，VSW 2VGA A 还为输入 1 提供了一路缓冲的本地监视器输出。通过使用 Extron高性能预制 VGA 电缆，可以将多个 VSW 2VGA A 切换器以菊花链方式串连起来，从而构成一个多用户的演示系统。
特性
·300 MHz (-3 dB) RGB 视频带宽
·自动切换功能
·缓冲贯通输入1
·用于输入选择切换的前面板拨动开关
·多个切换器可通过链接串联构成一个多用户的演示系统
·输入：用于视频信号的15 针HD 插座；用于音频信号的3.5 mm 立体声微型插孔
·输出：用于视频信号的15 针HD 插座；用于音频信号的3.5 mm 立体声微型插孔
·兼容VGA - QXGA 和 HDTV 分量视频信号
示意图
面板图
| VSW 2VGA A | ||||
| Video | ||||
|---|---|---|---|---|
| Gain | Unity | |||
| Bandwidth | 300 MHz (-3 dB) | |||
| Video input and loop through | ||||
| Number/signal type | 2 VGA-UXGA RGBHV, RGBS, RGsB*, RsGsBs*, HDTV component video* input 1 VGA-UXGA RGBHV, RGBS, RGsB, RsGsBs, HDTV component video* local monitor loop-through |
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| Connectors | (3) 15-pin HD female | |||
| Nominal level | 1.0 Vp-p for Y of component video 0.7 Vp-p for RGB and for R-Y and B-Y of component video |
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| Minimum/maximum levels | Analog: 0.4 V to 1.8 Vp-p with no offset | |||
| Impedance | 75 ohms | |||
| Horizontal frequency | 15 kHz to 145 kHz | |||
| Vertical frequency | 30 Hz to 170 Hz | |||
| Video output | ||||
| Number/signal type | 1 VGA-UXGA RGBHV, RGBS, RGsB*, RsGsBs*, HDTV component video* (follows input type) | |||
| Connectors | (1) 15-pin HD female | |||
| Nominal level | 1.0 Vp-p for Y of component video 0.7 Vp-p for RGB and for R-Y and B-Y of component video |
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| Minimum/maximum levels | 0.4 V to 1.8 Vp-p (follows input) | |||
| Impedance | 75 ohms | |||
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| Sync | ||||
| Input type | RGBHV, RGBS, RGsB*, RsGsBs*, bi-level and tri-level (HDTV) component video sync | |||
| Output type | RGBHV, RGBS, RGsB*, RsGsBs*, bi-level and tri-level (HDTV) component video sync (follows input) | |||
| Input level | 1.8 V to 5.0 Vp-p | |||
| Output level | TTL: 5.0 V p-p, unterminated | |||
| Input impedance | 510 ohms | |||
| Output impedance | 50 ohms | |||
| Max. input voltage | 5.0 Vp-p | |||
| Max. rise/fall time | 40 ns | |||
| Polarity | Positive or negative (follows input) | |||
| Audio | ||||
| Gain | Unbalanced output: 0 dB | |||
| Frequency response | 20 Hz to 20 kHz, ±0.05 dB | |||
| THD + Noise | 0.002% @ 1 kHz at nominal level (-10 dBV) | |||
| S/N | 94 dB at maximum output (unweighted) | |||
| Crosstalk | -50 dB @ 20 kHz, -75 dB @ 1 kHz and below 60 Hz | |||
| Stereo channel separation | 96 dB @ 1 kHz | |||
| Audio input | ||||
| Number/signal type | 2 stereo, unbalanced | |||
| Connectors | (2) 3.5 mm mini audio jacks (tip, ring, sleeve) | |||
| Impedance | 22k ohms unbalanced, AC coupled | |||
| Nominal level | -10 dBV (316 mVrms) | |||
| Maximum level | +9 dBV, (unbalanced) at 1% THD+N | |||
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| Audio output | ||||
| Number/signal type | 1 stereo, unbalanced | |||
| Connectors | (1) 3.5 mm mini audio jack (tip, ring, and sleeve) | |||
| Impedance | 50 ohms unbalanced | |||
| Gain error | ±0.1 dB channel to channel | |||
| Maximum level (Hi-Z) | >+9 dBV, unbalanced at 1% THD+N | |||
| Maximum level (600 ohm) | >+7 dBV, unbalanced at 1% THD+N | |||
| Control/remote — switcher | ||||
| Contact closure | (1) 3.5 mm captive screw connector, 3 pole for momentary contact | |||
| Contact closure pin configurations | 1 = input 1 select, 2 = input 2 select, 3 = GND Shorting all three pins together enables autoswitch mode. |
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| Loop signal | Momentary low, 250 µs | |||
| General | ||||
| External power supply | 100 VAC to 240 VAC, 50/60 Hz, external; to 12 VDC, 1 A (max.), regulated | |||
| Power input requirements | 12 VDC, 0.1 A | |||
| 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 |
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| Cooling | Convection, unvented | |||
| Rack mount | Yes, with optional 1U, 9.5" deep rack shelf, part #60-190-01 (RSU 129) or 60-604-01 (RSB 129); VersaTools® 1U, 3.5" deep rack shelf, part #60-190-20 (RSF 123) or 60-604-20 (RSB 123); or 1U, 6" deep rack shelf, part #60-190-10 (RSU 126) or 60-604-10 (RSB 126) Furniture mountable with optional under-desk mounting kit, part #70-077-01 (MBU 125), or through-desk mounting kit, part #70-077-02 (MBD 129) Projector mountable with optional PMK 200 projector mount kit, part #70-077-04 |
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| Enclosure type | Metal | |||
| Enclosure dimensions | 1.0" H x 4.3" W x 3.0" D (quarter rack wide) 2.5 cm H x 10.9 cm W x 7.6 cm D (Depth excludes connectors.) |
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| Product weight | 0.5 lbs (0.3 kg) | |||
| Shipping weight | 3 lbs (2 kg) | |||
| Vibration | ISTA 1A in carton (International Safe Transit Association) | |||
| Listings | UL, CUL | |||
| Compliances | CE, FCC Class A, VCCI, AS/NZS, ICES | |||
| MTBF | 30,000 hours | |||
| Warranty | 3 years parts and labor | |||
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