| 经销商 | 联系方式 |
|---|---|
| 爱思创Extron电子 | 4000.398766、 021-3760 1568 |
Extron YCS SW2 A 是一款带有转码功能的 2 路输入、双输出视频和音频切换 器。通过使用高品质 3 线数字梳状滤波器，YCS SW2 A 可接受 NTSC 3.58、NTSC 4.43、PAL 或 SECAM 复合视频信号，并将该信号解码为 S-视频信号。作为一 台编码器，它还可以组合亮度和色度信号并输出为复合视频图像。增强型视 频处理可以稳定并改善来自输入信号源的显示输出，例如消费级 VCR、已磨 损或多次洗录的 VHS 磁带以及其它带有不稳定同步信号的设备。这款集成 音频的切换器能针对每个视频信号源提供精确的音频输入，可以扩展许多 低成本视频投影机的音频输入功能。
Extron YCS SW2 A 是一款带有转码功能的 2 路输入、双输出视频和音频切换 器。通过使用高品质 3 线数字梳状滤波器，YCS SW2 A 可接受 NTSC 3.58、NTSC 4.43、PAL 或 SECAM 复合视频信号，并将该信号解码为 S-视频信号。作为一 台编码器，它还可以组合亮度和色度信号并输出为复合视频图像。增强型视 频处理可以稳定并改善来自输入信号源的显示输出，例如消费级 VCR、已磨 损或多次洗录的 VHS 磁带以及其它带有不稳定同步信号的设备。这款集成 音频的切换器能针对每个视频信号源提供精确的音频输入，可以扩展许多 低成本视频投影机的音频输入功能。
特性
四制式视频解码器/编码器
集成的音频切换器
时基稳定
自动输入切换
触点闭合远程控制
随附外置式通用电源，产品编号为 70-775-01
示意图
面板图
| YCS SW2 A | |||
| Video | |||
|---|---|---|---|
| Gain | Unity | ||
| Bandwidth | 5 MHz (-3 dB) | ||
| Crosstalk | -60 dB @ 3.58 MHz | ||
| Switching speed | 5 ms (max.) | ||
| Standards | NTSC 3.58, NTSC 4.43, PAL, PAL N, SECAM; autodetected | ||
| Video input | |||
| Number/signal type | 1 S-video 1 composite video |
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| Connectors | 1 female 4-pin mini DIN and 1 female BNC | ||
| Nominal level | 1 Vp-p for Y of S-video and for composite 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 for video and Y with no offset at unity gain | ||
| Impedance | 75 ohms | ||
| Return loss | -34 dB for composite video, -27 dB for Y, -31 dB for C @ 5 MHz | ||
| DC offset (max. allowable) | 5.0 V | ||
| Input coupling | AC coupled | ||
| Video output | |||
| Number/signal type | 1 S-video 1 composite video |
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| Connectors | 1 female 4-pin mini DIN for S-video 1 female BNC for composite video |
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| Nominal level | 1 Vp-p for Y of S-video and for composite video 0.3 Vp-p for C of S-video |
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| Minimum/maximum levels | 0.3 V to 1 Vp-p for video and Y | ||
| Impedance | 75 ohms | ||
| Return loss | -40 dB @ 3.58 MHz | ||
| DC offset | ±300 mV with input at 0 offset | ||
| Audio | |||
| Gain | Unbalanced output: 0 dB | ||
| Frequency response | 20 Hz to 20 kHz, ±0.5 dB | ||
| THD + Noise | <0.04% @ 1 kHz at nominal level | ||
| S/N | >90 dB at maximum output (unweighted) | ||
| Stereo channel separation | >80 dB @ 1 kHz | ||
| Audio input | |||
| Number/signal type | 2 stereo, unbalanced | ||
| Connectors | 4 female RCA | ||
| Impedance | >12k ohms unbalanced, DC coupled | ||
| Nominal level | -10 dBV (316 mVrms), unbalanced | ||
| Maximum level | >+12 dBu, unbalanced at 1% THD+N | ||
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| Audio output | |||
| Number/signal type | 1 stereo, unbalanced | ||
| Connectors | 2 female RCA | ||
| Impedance | 50 ohms unbalanced | ||
| Maximum level (Hi-Z) | >+12 dBu, unbalanced at 1% THD+N | ||
| Maximum level (600 ohm) | >+10.5 dBu, unbalanced at 1% THD+N | ||
| Nominal level | -10 dBV, unbalanced | ||
| Control/remote | |||
| Contact closure | 1 female 3.5 mm captive screw connector, 3 pole | ||
| Contact closure pin configuration | 1 = input 1, 2 = input 2, 3 = GND; shorting pins 1, 2, and 3 together = autoswitch mode | ||
| 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, 0.4 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, no vents | ||
| Mounting | |||
| Rack mount | Yes, with optional 1U rack shelf | ||
| Furniture mount | Yes, with optional mini under-desk mounting kit. | ||
| Pole mount | Yes, with multi-product pole mounting kit | ||
| Enclosure type | Metal | ||
| Enclosure dimensions | 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide) 4.3 cm H x 10.9 cm W x 7.6 cm D (Depth excludes connectors.) |
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| Product weight | 0.4 lbs (0.2 kg) | ||
| Shipping weight | 3 lbs (2 kg) | ||
| Vibration | ISTA 1A in carton (International Safe Transit Association) | ||
| Regulatory compliance | |||
| Safety | CE, c-UL, UL | ||
| Compliances | CE, C-tick, FCC Class A, ICES, VCCI | ||
| Warranty | 3 years parts and labor | ||
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| (7.6-090809-D3) | |||
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