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销售松下 VP-7723B 音频分析仪

浏览次数:883

产品参数

选件 是否计量 发货周期 保修时间 成色
1-4周 12- 8成新
所在地 机身号 状态 资料下载
深圳市 完好
更新日期:2021-07-30
联系电话:0755-86016691

* 产品描述

特征:

音频信号振荡器


  • 5 Hz至110 kHz,16.2 dBm(14.0 dBV,10 V在开路端)
  • 0.000 5%失真(典型值为1 kHz)高性能信号源


交流测量


  • 交流电平测量:音频分析仪具有高度灵敏的交流电平测量功能,指示响应可从V [rms]或V [avg]中选择。提供七个测量范围;0.316 mV,3.16 mV,31.6 mV,316 mV,3.16 V,31.6 V和100 V满量程。
  • 相对水平测量:可以测量相对于参考水平的偏差。适用于频率特性和电平比测量。
  • 瓦数指示:通过跨输入电压设置虚负载电阻(RL),可以计算并显示功率值。功率=(交流电平l的实测值)2 / RL [watt]]
  • S / N量测(VP-7723B):在此模式下,振荡器会开启1.5到3 s的时间,并量测讯号分量(S分量电平)。然后,当DUT的输入端以特性阻抗端接时,振荡器关闭并测量噪声分量(N分量电平)。通过计算输出信号(S分量电平)和N分量电平比率,可以自动获得S / N比率。


直流测量

  • 0.316至100 V满量程
  • 可用于+ B电压测量。

失真度测量

  • 音频分析仪能够在5 Hz至110 kHz的频率范围内测量基本信号的失真因子。输入电平范围为0.1 V至100 V [rms]。还为数字音频设备的动态范围测量提供了3.16 mV的高灵敏度范围。

频率量测

  • 装有往复式高速计数器。
  • 此功能在AC电平,失真和Wow&Flutter测量模式下可用。

详细信息

Features

Audio signal oscillator

  • 5 Hz to 110 kHz, 16.2 dBm(14.0 dBV, 10 V at open end)
  • 0.000 5 % distortion(1 kHz typical value)high performance signal source

AC Measurement

  • AC level measurement: The audio analyzer has a highly sensitive AC level measurement function with indication response selectable from V [rms] or V [avg]. Seven measurement ranges are provided; 0.316 mV, 3.16 mV, 31.6 mV, 316 mV, 3.16 V, 31.6 V and 100 V full range.
  • Relative level measurement: Deviation measurement against reference level is available. It is applied to frequency characteristics and level ratio measurement.
  • Watt indication: By setting the imaginary load resistance (RL)across the input voltage, the power value is s calculated and displayed. Power=(Measured AC level l value)2/RL [watt] ]
  • S/N measurement(VP-7723B) : In this mode, the oscillator is turned on for a length of time(1.5 to 3 s)and the signal component(S component level)is measured. Then, the oscillator turns off and the noise component(N component level)is measured when the input of the DUT is terminated with the characteristic impedance. The S/N ratio is obtained automatically by calculating the output signal(S component level)and N component level ratio.

DC Measurement

  • 0.316 to 100 V full scale
  • Available for +B voltage measurement.

Distortion Measurement

  • The audio analyzer is capable of measuring distortion factors of the fundamental signal over the frequency range of 5 Hz to 110 kHz. Input level ranges from 0.1 V to 100 V [rms]. Also a high sensitivity 3.16 mV range is provided for the dynamic range measurement of digital audio equipment.

Frequency Measurement

  • Reciprocal type high speed counter is installed.
  • This function is available in AC level, Distortion and Wow & Flutter measurement modes.

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