
AD2817C Operation Manual
7
Chapter 2 Basic Specifications
2.4 Measurement Functions
2.1.1 Measurement parameters
L: inductance
C: capacitance
R: resistance
Z: impedance
X: reactance
D: dissipation
θ: phase angle
Q: quality factor
DCR: DC resistance
Transformer parameters:
L2A: primary inductance
L2B: secondary inductance
N,1/N: turns ratio
M: mutual inductance
R2: DC resistance
2.1.2 Combinations of measurement parameters
Primary paratmeter
Secondary parameters
L
θ°
(angle),
θr
(radian), R, X, Q, D
C
θ°
(angle),
θr
(radian), R, X, Q, D
R
θ°
(angle),
θr
(radian), R, X, Q, D
Z
θ°
(angle),
θr
(radian), R, X, Q, D
Note:
Suffix “s” means series; suffix “p” means parallel.
2.1.3 Equivalent mode
Series and parallel
Circuit mode
Dissipation
Conversion
L
D=2
p
FLp/Rp=1/Q
Ls=Lp/(1+D
2
)
Rs=RpD
2
/(1+D
2
)
D=Rs/2
p
FLs=1/Q
Lp=(1+D
2
)Ls
Rp=(1+D
2
)Rs/D
2
C
D=1/2
p
FCpRp=1/Q
Cs=(1+D
2
)Cp
Rs=RpD
2
/(1+D
2
)