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热词
    • 3. 发明授权
    • Measuring device, in particular vectorial network analyzer, with separate oscillators
    • 测量装置,特别是矢量网络分析仪,具有单独的振荡器
    • US06970000B2
    • 2005-11-29
    • US10681535
    • 2003-10-07
    • Christian EversPeter KrausHermann Boss
    • Christian EversPeter KrausHermann Boss
    • G01R23/14G01R23/173G01R27/28G01R27/06
    • G01R23/14G01R27/28
    • A measuring device (e.g., a vectorial network analyzer) by means of at least two ports can be connected to a device under test and has associated excitation/receiving units (ERUs), each thereof having one port. At least one ERU has a signal generator, which can apply an excitation signal onto a device under test. Each ERU possesses two receiving apparatuses (each with a mixer in connection with an oscillator signal) to receive the excitation signal, the reflected signal from the associated port or the signal transmitted to the associated port and converts said signal into an intermediate signal. Each ERU exhibits its own oscillator separate from the signal generator, and generates the oscillator signal for the mixer of the receiving apparatus of the ERU, whereby the frequency and/or phase of the oscillator signals, can be adjusted independently of the frequency and/or phase of oscillator signals of the oscillators of other ERUs.
    • 通过至少两个端口的测量设备(例如,矢量网络分析仪)可以连接到被测设备,并且具有相关联的激励/接收单元(ERU),每个端口具有一个端口。 至少一个ERU具有信号发生器,其可以将激励信号施加到被测器件上。 每个ERU具有两个接收装置(每个具有与振荡器信号相连的混频器),以接收激励信号,来自关联端口的反射信号或发送到关联端口的信号,并将所述信号转换成中间信号。 每个ERU表现出与信号发生器分离的其自己的振荡器,并且产生用于ERU的接收装置的混频器的振荡器信号,由此可以独立于频率和/或频率调整振荡器信号的频率和/或相位。 其他ERU的振荡器的振荡器信号的相位。