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