| 经销商 | 联系方式 |
|---|---|
| 爱思创Extron电子 | 4000.398766、 021-3760 1568 |
Extron MDA 4V EQ 为一款1 路输入4 路输出的复合视频微型分配放大器。它提供150 MHz (-3dB) 的视频带宽，含增益调整功能，以补偿在长距离电缆传输过程中产生的信号衰减，均衡调节功能则补偿高频损耗。MDA 4V EQ 与NTSC、PAL 和SECAM 视频信号兼容，传输电缆长度为180 米至 300 米甚至更远。无源环通能力让用户能添加更多放大器，以创建更大的 DA 系统或驱动本地监视器
特性
·输入：1 个BNC 插座
·输出：4 个BNC 插座及1 个无源环通输出
·1U 高 1/4 机架宽金属机箱
·提供外置型国际通用电源，产品编号为 # 70-055-01
·150 MHz (-3 dB) 的满载视频带宽
·可变增益与均衡调节
·每个输出均有独立的增益与均衡控制
·视频环通
示意图
面板图
| MDA 2V EQ, MDA 4V EQ, MDA 4SV EQ | |||
| Video | |||
|---|---|---|---|
| Gain | |||
| Video and Y | -1 dB to +3 dB (x 0.9 to x 1.4)), adjustable per output* | ||
| C (chroma) | 0 dB to +10 dB (x 1 to x 3) | ||
| Equalization | 0 dB to +6 dB (x 1 to x 2) at 5 MHz, adjustable per output* | ||
| *Per output for composite video, per every two outputs for S-video. | |||
| Bandwidth | 150 MHz (-3 dB) | ||
| Output cable driving distance | Up to 1000 feet with Mini HR cable; up to 1500 feet with RG6 or RG59 cables | ||
| Video input and loop through | |||
| Number/signal type | |||
| MDA 2V EQ, MDA 4V EQ | 1 composite video input, 1 passive composite video passive loop-through | ||
| MDA 4SV EQ | 1 S-video input, 1 passive S-video passive loop-through | ||
| Connectors | |||
| MDA 2V EQ, MDA 4V EQ | 1 female BNC (input), 1 female BNC (loop-through) | ||
| MDA 4SV EQ | 1 female 4-pin mini DIN (input), 1 female 4-pin mini DIN (loop-through), | ||
| Nominal level |
1 Vp-p for Y of S-video and for composite video 0.3 Vp-p for C of S-video |
||
| Minimum/maximum levels | |||
| MDA 2V EQ, MDA 4V EQ | 0.4 V to 2 Vp-p with no offset at unity gain | ||
| MDA 4SV EQ | Y: 0.4 V to 2 Vp-p with no offset at unity gain | ||
| Impedance | 75 ohms | ||
| Return loss | <-30 dB @ 5 MHz | ||
| DC offset (max. allowable) | 4.0 V, AC coupled | ||
| Video output | |||
| Number/signal type | |||
| MDA 2V EQ | 2 composite video | ||
| MDA 4V EQ | 4 composite video | ||
| MDA 4SV EQ | 4 S-video | ||
| Connectors | |||
| MDA 2V EQ | 2 female BNC | ||
| MDA 4V EQ | 4 female BNC | ||
| MDA 4SV EQ | 4 female 4-pin mini DIN | ||
| Nominal level |
1 Vp-p for Y of S-video and for composite video 0.3 Vp-p for C of S-video |
||
| Minimum/maximum levels | 0.4 V to 2 Vp-p | ||
| Impedance | 75 ohms | ||
| Return loss | <-30 dB @ 5 MHz | ||
| Sync | |||
| Standards | NTSC 3.58, NTSC 4.43, PAL, SECAM | ||
| General | |||
| External power supply | 100 VAC to 240 VAC, 50/60 Hz, external, autoswitchable; to 12 VDC, 1 A, regulated | ||
| Power input requirements | 12 VDC, 0.2 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 |
||
| Rack mount |
Yes, with optional 1U, 9.5" deep rack shelf, part #60-190-01 (RSU 129) or 60-604-01 (RSB 129); 1U, 6" deep rack shelf, part #60-190-10 (RSU 126) or 60-604-10 (RSB 126); or VersaTools® 1U, 3.5" deep rack shelf, part #60-190-20 (RSF 123) or 60-604-20 (RSB 123) Furniture mountable with optional VersaTools Mini Under-desk Mounting Kit, part #70-212-01 (MBU 123) Attachable to a projector with optional VersaTools Mini Projector Mounting Kit, part #70-217-01 (PMK 100); or Multi-product Projector Mounting Kit, part #70-374-01 (PMK 300) or 70-563-02, -03 (PMK 350) |
||
| 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.) |
||
| Product weight | 0.7 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 | ||
|
|||
|
|||
首页