特點介紹: ? 適用于單向catv系統干線放大和延長放大; ? 采用進口集成電路,頻帶寬,增益高,噪聲低,失真小,帶內不平度??; ? 手動增益和斜率控制; ? 輸出分支、分配可選; ? ac30-60v集中供電或ac220v獨立供電可選擇; ? 防雨、防塵、散熱快、屏蔽性能好; ? 高效率r型變壓器供電; ? 可選擇兩級斜率控制或溫度補償插件。 specifications: ? suitable for trunk amplification and extending amplification in single-way catv system ; ? imported ic, wide working band, high gain, low noise, small 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. 技術參數function parameter| 型號type 參數parameter | zy5534b | zy7530b | | 頻率范圍(mhz) bandwidth | 45-550 | 45-750 | | 標稱增益(db) nominal gain | 30 | | 帶內平坦度(db) flatness band | ±0.5 | | 標稱輸入電平(dbμv) nominal input level | 72 | | 標稱輸出電平(dbμv) nominal output level | 102 | | 最大輸出電平(dbμv) max. output level | 116 | | 增益調整范圍(db) gain adjustment range | 0-20 | | 斜率調整范圍(db) slope adjustment range | 0-27(固定9db) | | 噪聲系統(db) noise figure | ≤8 | | 載波復合三次差拍比(db) ctb | 66 | 65 | | 載波復合二次差拍比(db) cso | 63 | 62 | | 反射損耗(db) return loss | ≥16(45-550mhz) ≥14(550-750mhz) | | 增益漂移(db) gain drift | ±1.0db(-25-55ºc) | | 抗雷擊能力(kv) thunderstroke immunity | ﹥5(10/700us) | | 供電電壓(v) supply voltage | ac30-60v 或or ac 220v±10% | | 外形尺寸(mm) dimension | 220×150×75 | | 重量(kg) weight | 1.9 | tel: 13953993413
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