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[问答] 8990A未检测到传感器
98 传感器
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你好,我有一个8990A没有检测到通道1和4上的传感器。想知道是否有人知道仪器如何检测它的传感器?有CLIP,但到目前为止一直没有帮助。
我相信8991A使用相同的方法。
任何帮助非常感谢。谢谢.Jay

以上来自于谷歌翻译


     以下为原文

  Hello,

I have a 8990A that does not detect sensors on channels 1 and 4. Was wondering IF anyone knows how the instrument detects it's sensor?
Have the CLIP, but so far has been of no help. I believe the 8991A uses the same method. Any help greatly appreciated.

Thanks.

Jay
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2019-5-24 12:04:55   评论 分享淘帖 邀请回答
2个回答
我相信HP 8990A使用与其他HP功率计相同的方法来检测传感器。
每个功率传感器都有一个检测电阻。
当功率传感器连接到功率计时,功率计读取电阻器的值。
然后,它使用此值来确定连接的传感器。此方法已被HP / Agilent使用多年,并且即使较新的功率传感器也包含EEPROM,仍然使用此方法。
该方法用于允许向后/向前兼容新旧功率计和传感器。

以上来自于谷歌翻译


     以下为原文

  I believe that the HP 8990A uses the same method as the other HP power meters to detect the sensor.  There is a sense resistor in each power sensor.  When the power sensor is connected to the power meter the power meter reads the value of the resistor.  It then uses this value to determine what sensor is connected.

This method has been used by HP/Agilent for many years and is still used even though newer power sensors also include EEPROMs in them.  This method is used to allow backwards/forward compatibility with old and new power meters and sensors.
2019-5-24 12:19:21 评论

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我知道这篇文章有几年的历史了但也许你或其他人可以指出我能在哪里找到8990A或8991A功率分析仪的CLIP?
任何帮助将不胜感激。
谢谢,

以上来自于谷歌翻译


     以下为原文

  I know this post is several years old but maybe you or someone else can point me to where I can find a CLIP for the 8990A or 8991A power analyzer?
Any help would be greatly appreciated.
Thank you,
2019-5-24 12:37:09 评论

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