Could you recommend any (feed-through?) filters (e.g. 200KHz or 1MHz) for limiting the bandwidth at the oscilloscope input?
They would be very useful for further increasing the ENOB (by decreasing the noise) in 2000 series (2206B) and also 5000 (5242D) series oscilloscopes when sampling low frequency e.g. audio signals.
Also could you please offer hints on what other accessories I would need for matching the oscilloscope probes to the filter and the filter to the oscilloscope ? (e.g. PROBE -> BW limit filter -> feed-through 50Ohm terminator? -> OSCILLOSCOPE IN(HighZ)).
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