较低的BW（一般情况下，示波器和探头都应该比您认为需要的BW更高。在您的情况下，如果您想要从系统中取出完整的BW，可能会建议使用1.5GHz BW探头。
。免责声明：为了获得更可靠的响应，您应该考虑致电当地的安捷伦技术呼叫中心。安捷伦论坛将在“可用”的基础上进行监控，并不一定是解决技术问题的最快方式。
以上来自于谷歌翻译
以下为原文
Lower BW (<2GHz) Oscilloscopes tend to have a Gaussian rolloff, meaning that their response is down 3dB at rated BW. Probes in this range also have a Gaussian rolloff. If, for example, you put a 1GHz probe on a 1GHz scope, all you know is that you are down about 6dB at 1GHz.
In general, the scope and the probe should both be a higher BW than what you think you need. In your case, a 1.5GHz BW probe would probably be recommended, at least, if you want full BW out of the system.
Al
Disclaimer: For more reliable response, you should consider calling your local Agilent Technical Call Center. The Agilent Forums are monitored on an "as available" basis, and aren't necessarily the fastest way to get technical questions answered.
较低的BW（一般情况下，示波器和探头都应该比您认为需要的BW更高。在您的情况下，如果您想要从系统中取出完整的BW，可能会建议使用1.5GHz BW探头。
。免责声明：为了获得更可靠的响应，您应该考虑致电当地的安捷伦技术呼叫中心。安捷伦论坛将在“可用”的基础上进行监控，并不一定是解决技术问题的最快方式。
以上来自于谷歌翻译
以下为原文
Lower BW (<2GHz) Oscilloscopes tend to have a Gaussian rolloff, meaning that their response is down 3dB at rated BW. Probes in this range also have a Gaussian rolloff. If, for example, you put a 1GHz probe on a 1GHz scope, all you know is that you are down about 6dB at 1GHz.
In general, the scope and the probe should both be a higher BW than what you think you need. In your case, a 1.5GHz BW probe would probably be recommended, at least, if you want full BW out of the system.
Al
Disclaimer: For more reliable response, you should consider calling your local Agilent Technical Call Center. The Agilent Forums are monitored on an "as available" basis, and aren't necessarily the fastest way to get technical questions answered.
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