特点介绍: ? 适用于单向CATV系统干线放大和延长放大; ? 采用*集成电路,频带宽,增益高,噪声低,失真小,带内不平度小; ? 手动增益和斜率控制; ? 输出分支、分配可选; ? AC30-60V集中供电或AC220V*供电可选择; ? *雨、*尘、散热快、屏蔽性能好; ? *率R型变压器供电; ? 可选择两级斜率控制或温度补偿插件。 SPECIFICATIONS: ? Suitable for trunk amplification and extending amplification in single-way CATV system ; ? Imported IC, wide working band, high gain, low noise, *all distortion, good flatness within-the-band; ? Manual gain control and slope control; ? With the function of the choice of tap or splitter output; ? Provide two power supply method,centralized(AC30-60V) or individual(AC220V); ? Waterproof and dustproof design, fast heat dissipation and fine screening characteristic; ? Efficient R-transformer power supply; ? Two degrees slope conteol or plug-in temperature compensator for selection. 技术参数Function Parameter型号T*e 参数Parameter | ZY553* | ZY7530B | 频率范围(MHz) Bandwidth | 45-550 | 45-750 | 标称增益(dB) Nominal Gain | 30 | 带内平坦度(dB) Flatness Band | &plu*n;0.5 | 标称输入电平(dBμV) Nominal Input Level | 72 | 标称输出电平(dBμV) Nominal Output Level | 102 | *大输出电平(dBμV) Max. Output Level | 116 | 增益调整范围(dB) Gain Adjustment Range | 0-20 | 斜率调整范围(dB) Slope Adjustment Range | 0-27(固定9dB) | 噪声系统(dB) Noise Figure | ≤8 | 载波复合三次差拍比(dB) *B | 66 | 65 | 载波复合二次差拍比(dB) CSO | 63 | 62 | 反射损耗(dB) Return Loss | ≥16(45-550MHz) ≥14(550-750MHz) | 增益漂移(dB) Gain Drift | &plu*n;1.0dB(-25-55ºC) | *雷击能力(KV) Thunderstroke Immunity | ﹥5(10/700us) | 供电电压(V) Supply Voltage | AC30-60V 或or AC 220V&plu*n;10% | 外形尺寸(mm) Dimension | 220×150×75 | 重量(kg) Weight | 1.9 | Tel:
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