Dave investigates how the front end bandwidth limiting works on the Rohde & Schwarz HMO1202 series oscilloscope.

Is the bandwidth limit set just by the LMH6518 front end Variable Gain Amplifier chip through the SPI bus?

See the extended 50 minute version HERE that has much more detail and mucking around trying to get the R&S HMO1202 to probe itself.

Forum HERE