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| Using (and living with) Siglent SDS1000X-E Series Oscilloscopes |
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| skempf:
I don't have a 50Ω terminator, so I'm just using a probe. The FG (1032x) is set to 1MHz square wave, 50% duty, 1Vpp. Is this what one would expect to read on the scope? |
| bdunham7:
--- Quote from: skempf on July 15, 2021, 03:49:40 pm ---I don't have a 50Ω terminator, so I'm just using a probe. The FG (1032x) is set to 1MHz square wave, 50% duty, 1Vpp. Is this what one would expect to read on the scope? --- End quote --- Did you compensate the probe? Are you using the BNC-probe adapter directly onto the SDG1032X? |
| skempf:
I'm using a probe that came with the 1104x-e, on 10x setting, and checked the compensation prior to the above reading. I'm just holding the probe to the exposed BNC male connector on the 1032x. |
| bdunham7:
--- Quote from: skempf on July 15, 2021, 04:12:00 pm ---I'm using a probe that came with the 1104x-e, on 10x setting, and checked the compensation prior to the above reading. I'm just holding the probe to the exposed BNC male connector on the 1032x. --- End quote --- The ringing is probably due to ground lead inductance. The PP510 probes apparently don't come with a BNC adapter, but they should come with a ground spring--a little coiled up thing. Remove your ground lead and slide the ground spring over the probe, then make sure the spring touches the BNC shell of the SDG1032X when you are probing it. The spring should connect the shell to the exposed foil on the probe. That should reduce the ringing somewhat. A BNC-probe adapter is a collar that goes between the BNC and probe and provides a matched, fully enclosed ground and is what you need to properly use a probe this way. |
| skempf:
See attached using the ground spring on the probe. Is it safe to assume that all of the "ringing" in the waveform is ground lead inductance? |
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