GW Instek LCR-8000G Series, User Manual

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LCR-8000G Series User Manual
46
Quality factor (Q) and Dissipation factor (D)
Background
Both Quality factor and its reciprocal, Dissipation
factor, are used for measuring the rate of energy
dissipation relative to the measurement frequency.

Low energy dissipation: high Q, low D

High energy dissipation: low Q, high D
Type
Quality factor (Q) Dissipation factor (D)
Display Range
0.01 ~ 9999.9 0.00001 ~ 1000
Formula
S S S
S
R C R
L
Q


1
 
P P
P
P
R C
L
R


 
 
D
1
90 tan
1



 
S S
S
S
R C
L
R
D


 
P P
P
P
G L
C
G


 
 
Q
1
90 tan   


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