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| New Scope Demoboard from Batronix |
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| rpro:
--- Quote from: Martin72 on February 14, 2024, 06:19:31 pm ---For others, this is the "Hf Test Track" section. Mainly responsible are two fast risetime logic gate ICs (tr<450ps), one IC is directly connected to the RF out BNC socket, so that you have a quite fast pulse at the start. The signal also looks pretty clean. --- End quote --- Here is how it looks with the DHO804(924) and MSO5000. More "ringing" on MSO than DHO, though no undershoot before rise edge on both (similar to your Lecroy WR9054 pic). |
| Grandchuck:
More Batronix board learning via mostly trial and error. This is with SW1 set to C which selects a 10 kHz sine with peaks after X periods. Using channel 1 for pulse triggering is straightforward. Using channel 2 is more finicky. This makes me wonder what folks do when they have no idea what kind of a glitch or anomaly they are looking for. Do they use single sweep repeatedly until they spot something and then zoom/expand to investigate and go from there to set up an appropriate trigger? |
| ebastler:
--- Quote from: Grandchuck on March 20, 2024, 07:07:21 pm ---This makes me wonder what folks do when they have no idea what kind of a glitch or anomaly they are looking for. Do they use single sweep repeatedly until they spot something and then zoom/expand to investigate and go from there to set up an appropriate trigger? --- End quote --- I would let the scope acquire in RUN mode, triggering on the normally recurring signal, and watch out for weak traces which are out of the ordinary. Switching on color grading may help to make those weak (i.e. rare) traces more prominent. |
| 2N3055:
--- Quote from: Grandchuck on March 20, 2024, 07:07:21 pm ---More Batronix board learning via mostly trial and error. This is with SW1 set to C which selects a 10 kHz sine with peaks after X periods. Using channel 1 for pulse triggering is straightforward. Using channel 2 is more finicky. This makes me wonder what folks do when they have no idea what kind of a glitch or anomaly they are looking for. Do they use single sweep repeatedly until they spot something and then zoom/expand to investigate and go from there to set up an appropriate trigger? --- End quote --- You can use persistence, or you can also use mask mode, where you create mask that is few percent larger than signal (auto mask function) and then let it run. In mask mode you can also save violations into history and inspect them later. |
| tautech:
--- Quote from: Grandchuck on March 20, 2024, 07:07:21 pm ---More Batronix board learning via mostly trial and error. This is with SW1 set to C which selects a 10 kHz sine with peaks after X periods. Using channel 1 for pulse triggering is straightforward. Using channel 2 is more finicky. This makes me wonder what folks do when they have no idea what kind of a glitch or anomaly they are looking for. Do they use single sweep repeatedly until they spot something and then zoom/expand to investigate and go from there to set up an appropriate trigger? --- End quote --- A Pulse trigger will find this when set correctly. An example using Search feature and a Pulse trigger with SDS1104X-E. https://www.eevblog.com/forum/testgear/siglent-sds1204x-e-released-for-domestic-markets-in-china/msg1370717/#msg1370717 |
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