HP8340B 合成扫描仪（10 MHz 至 26.5 GHz）

描述
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HP8340B 技术指标
    频率范围：10MHz~26.5 GHz
    精度：CW模式下
    1Hz, 0.01~<7.0 GHz
    2Hz, 7.0~<13.5 GHz
    3Hz, 13.5~<2.0 GHz
    4Hz, 20.0~26.5 GHz
    HP8340B合成扫源
    HP8340B集合成源与宽带扫源的优良性能于一体，并可完全由HP-IB接口控制。这种性能与通用性的有效组合非常适合于系统的手动或自动测试，并且在一些情况下，可使HP8340B替代扫频振荡器、频率计数器、射频合成源和微波合成源。
    频率精度和频谱纯度
    合成的宽带频率范围(10MHz~26.5GHz)和1~4Hz的频率精度(取决于频率波段)是由间接的合成技术决定的，使HP8340B能够获得同HP8671B、

8672A和8673系列合成信号发生器一样的单边带相位噪声。HP8340B同样具有1×10-9/天的良好的长期稳定性。
    HP8340B的CW转换时间优于50ms(典型值<35ms)。同样，“快速相位锁存”程序能够降低CW转换时间达到11~22ms(取决于频率步进量和绝对

频率值)。
    输出电平
    HP8340B能够提供较高的输出电平，它可以0.05dB的精度控制低至-110dBm。高电平精度可由优良的准确性和平坦度来加以补偿。HP8340B

可以>20dB的电平动态范围表征电平灵敏度装置的完全性。