Keysight E4980A - Parallel;Series Circuit Mode

190 Keysight E4980A/AL Precision LCR Meter
Measurement Procedure and Examples
Parallel/Series Circuit Mode
7-
Parallel/Series Circuit Mode
To measure L, C, or R, there are two equivalent circuit modes: the parallel and
series modes as shown in Table 7-1. The E4980A/AL can select the mode by
setting the FUNC (Cp, Cs, Lp, or Ls) on the MEAS SETUP page. To determine
which mode is better, consider the relative impedance magnitude of the
reactance and Rs and Rp.
Table 7-1 Parallel/Series Circuit Mode
Circuit Mode Measurement Function Definition of D, Q, and
G
Cp mode Cp-D
Cp-Q
Cp-G
Cp-Rp
Cs mode Cs-D
Cs-Q
Cs-Rs
Lp mode Lp-D
Lp-Q
Lp-G
Lp-Rp
Ls mode Ls-D
Ls-Q
Ls-Rs
㪼㪋㪐㪏㪇㪸㫌㫁㪈㪇㪎㪍
Cp
Rp
D
1
2fCpRp
----------------------
1
Q
---
==
G
1
Rp
------
=
㪼㪋㪐㪏㪇㪸㫌㫁㪈㪇㪎㪎
Cs
Rs
D2fCsRs
1
Q
---
==
㪼㪋㪐㪏㪇㪸㫌㫁㪈㪇㪎㪏
Lp
Rp
Q
Rp
2fLp
--------------
1
D
---
==
G
1
Rp
------
=
㪼㪋㪐㪏㪇㪸㫌㫁㪈㪇㪎㪐
Ls
Rs
Q
2fLs
Rs
--------------
1
D
---
==