The 2440 X-Y bandwidth was 300MHz it says at probe tip, also for the 2439 and 2432/A however the maximum single-event useful storage bandwidth is
200 MHz(2440) 100MHz (2432A) 40MHz (2430A) The 2440 service manual says adjust transient responce for greater than or equal to 310 MHz each channel.
Jeff
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Jeffeelcr
