问题：
We have a 2445 that is a 150 MHz portable oscilloscope. Another company that we work closely with has a 2445 that they claim is a 200 MHz oscilloscope. Who is correct?
答案：
The 2445 oscilloscope was first produced as a 150 MHz oscilloscope. The later models had a bandwidth of 200 MHz. So both of you are correct. 2445B bandwidth changed to 200 MHz on July 9, 1990. The serial number break was B03XXXX.
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常见问题 ID 62846
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