Products > Test Equipment

Hioki IM3570 LCR & Impedance Analyzer

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Martin72:

--- Quote from: points2 on September 24, 2024, 03:07:24 am ---5. as a dummy vs LCR-meters, when I see 5MHz MAX, my brain struggles to find how usefull such a tool can be when I deal with signals far above 100MHz...
Is this Hoiki relevant vs trace Z measurements when the signal is so far away from the "5MHz max" ?

--- End quote ---

5Mhz test frequency is already very high compared to the usual LCR meters.
Of course, components that are used in the “right” RF range, these 5Mhz seem too low.
But that doesn't have to be the case, with 5Mhz you can definitely capture values in the nH/lower pF range.
What you can't capture is the self-resonance of the components.
If the component is known from the data sheet, you can confirm its value or check whether it still has this value.
It becomes more difficult when measuring unknown components.
Not in terms of the actual value, since a high-quality device like the Hioki is helpful, with its rather high measuring frequency.
If the data sheet is missing, however, you don't know the self-resonance  frequency and usually can't capture it with a measuring frequency of up to 5Mhz.
That's a bit of a showstopper, but you need a VNA to avoid unpleasant surprises when you're repairing/creating a high-frequency circuit with unknown components.

KungFuJosh:
Had some fun testing a GMR100HTBFA10L0 2512 0.01ohm 1% resistor with version 5A of Mike's test fixture. It works great, I'm a big fan.

This resistor is too thin for my regular SMT test fixture.

Thanks,
Josh

Martin72:
The Hioki is simply a great tool. :-+

KungFuJosh:

--- Quote from: Martin72 on September 28, 2024, 11:12:19 pm ---The Hioki is simply a great tool. :-+

--- End quote ---

Absolutely! And Mike's test board is awesome too.

Here's a TLRP3A20CR005FTE 2512 0.005ohm 1%:



Measured at 300kHz in case somebody wants to compare. 😉

Martin72:

--- Quote ---Measure at 300kHz in case somebody wants to compare.
--- End quote ---

To really compare it, I would need exactly your resistor and your test fixture. 8)

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