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| BillyO:
There does not seem to be a general thread on these power supplies, so I thought I'd start one with a generic enough title to serve as such. That said, I do have a question. I know you can series the two main supplies in this unit to get 64V. My question is, can you then manually series the auxiliary supply to get a total of 69V @ 3.2A? |
| modoran:
No, the 3rd channel is not galvanically isolated, it is derived from the 2nd channel. |
| Performa01:
--- Quote from: modoran on April 28, 2023, 07:44:31 am ---No, the 3rd channel is not galvanically isolated, it is derived from the 2nd channel. --- End quote --- You seem to confuse this with Rigol or something. On the Siglent SPD3303X/X-E, all three power sources are independent and galvanically isolated. So the final answer is: yes, we can! |
| tautech:
And with a fresh reply from Siglent this picture is proof, admittedly it is a SPD3303C with wired series connections however it clearly shows the 3rd channel with a 5V setting used in the series chain. |
| alm:
--- Quote from: Performa01 on April 28, 2023, 08:50:10 am ---You seem to confuse this with Rigol or something. On the Siglent SPD3303X/X-E, all three power sources are independent and galvanically isolated. --- End quote --- Indeed, Rigol has a fully adjustable third channel that's not isolated from channel 2, while Siglent has an extremely limited third channel that's fully isolated. |
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