Em 8/3/2011 18:04, IVP escreveu:
> =20
>> This design is "LC" only, not "RLC".
> The OP did ask for "hopefully" ESR and phase. There are quite
> a few PIC-based ESR meters out on the web that could be added
> to a PIC-based LC meter
>
> The Circuit Cellar project looks good, but I've not downloaded
> the details


Good commercial LRC meters measure also D/Q of inductors and resistance
in the range of milli-ohms.


>> I built one based on this idea, it works very well. BUT not for
>> capacitors with inductive design (electrolytic, polyester, etc)
> That is covered in the text. One of the PCBs is an adaptor so
> that SMT caps can be measured
>
> Joe


The problem here is not between SMT/conventional, but the series
inductance of some capacitors interfering with the measurement.


Best regards,

Isaac
--=20
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