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嗨,我有一个旧的E4438C,并设置扫描频率范围为40MHz(5202MHz,5241MHz),步长为1MHz。
我设置它在每个频率停留5ms。 当我看到信号时,虽然停留时间似乎不是恒定的并且更像是12ms而不是我配置的5ms。 停留时间有多小是什么限制,停留之间的时间变化是否存在规范? 在此先感谢Yohannes 以上来自于谷歌翻译 以下为原文 Hi, I have an old E4438C and have it setup to sweep frequencies in a range of 40MHz (from 5202MHz, 5241MHz) in steps of 1MHz. I have it setup for it to dwell at each frequency for 5ms. When I look at the signal though the dwell period doesn't seem to be constant and is more like 12ms rather than the 5ms that I have configured. What are the limits for how small the dwell time can be and is there a spec for the variation of that time between dwells? Thanks in advance Yohannes |
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Hi Yohannes - 停留时间可设置为1ms至60sec,因为E4438C具有数字扫描(非线性模拟扫描),您将看到停留时间加上频率切换时间。
频率切换时间(数字调制关闭)通常是你看到大约12毫秒(5毫秒+ 9毫秒~14毫秒)我希望这有帮助 - 以上来自于谷歌翻译 以下为原文 Hi Yohannes - Dwell time is settable from 1ms to 60sec, because E4438C has digital sweep (not linear analog sweep) you will see the dwell time plus the frequency switching time. Frequency switching time (with digital modulation off) is typically <9ms increasing with frequency to <14ms at 6GHz. So you are seeing approximately 12ms (5ms + 9ms ~ 14ms) I hope this helped - |
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