Products > Test Equipment
Use Siglent SSA as LCR Meter / Bode Plot?
Attenbach:
Hi all, first post in this forum (after months of reading here)
thanks to this forum, I recently received my first own instruments ever and am now a happy owner of a Siglent SDS804X HD Scope and a Siglent SSA3021X Plus SA!
Yesterday I used the keygen approach to unlock all function from both instruments, set the 804X to identify as a 824X and equally unlocked the SSA to its full 3.2 GHz capabilities.
I mainly do power electronics, incl. disassembling and testing power supplies and their components. I mainly purchased the SSA for EMI pre-certification, but I saw a from w8bya titled "Siglent SSA-3021X, Basic Use of Tracking Generator" and was wondering if/how to use the TG output to do Inductance vs Frequency sweeps for power inductors (or capacitance vs frequency for capacitors)...
Is it even possible, and what would be the best approach? I am not cool enough for RF stuff, I mainly care about the behaviour up to 10 MHz, 30 MHz at maximum, accurately (without the use of an LCR meter). I haven't found much info either on Bode plots, if that is the way to go. Or whether the SSA3000X is the right instrument out of the one's I have access to.
Any insight would be highly appreciated!
I can worst case borrow a SDG6000X function generator from a friend. I have not been able to use the capacitance measurement mode on my (emergency) UT210-E multimeter.
Edit: took out the YouTube box
tautech:
Welcome to the forum.
You have one step to go, making a SVA from what you have to gain its VNA mode and Smith charts where a marker can be placed on the trace to provide L, C and R values.
More homework will guide you. ;)
Attenbach:
Thank you tau, the legend himself :)
I will try this, and post my journey in this thread. For any other approaches I'd be very glad to learn more about the instruments capabilities.
Attenbach:
Sorry for the absolute noob question. Can someone please provide any pointers on where to start reading in to? :palm:
I have consulted the User manual and Youtube videos on VNAs and SVA specifically and I don't know where to look for how to master this instrument.
I know that this isn't what I am supposed to see. :-// I simply want to characterise passives (L, C, R) between 100 KHz (min. on VNA mode given by datasheet, lower would be better) to max. 10 MHz. Any insight into what I don't know (apart from everything) would be soo helpful!
Thank you
PS: I currently do not own a Signal/Function gen nor calibration references. I can solder well and have access to basic electronics hardware if necessary (think Taipei's Guanghua 5min away)
Attenbach:
OK thanks to Dave's videos, i figure I need the TG. Can I just wire the Inductor/Cap/Passive in series with a cable going from TG to RF Inpunt and then test (after calibrating a short and open circuit)?
If yes, do I understand correctlz that the part is inserted into the measurement wire and the shielding ground is uninterrupted, both during open- and short circuit calibration?
If yes, since the LCR is a main use case, can I just make a jig with a pcb and Part holders similar to those found on handheld LCR meters that I can short out with a large flat strip with ideally low inductance and resistance to normalise it and reduce setup errors? (Yes/No is totally fine. I apologise...)
I offer to write a small tutorial for other people in this thread once I got it going. Your advice hence has exponential benefits :) Thanks!
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