GW Instek LCR-8101 (Replaced by LCR-8101G) - Manual (Page 39)

BASIC MEASUREMENT
39
Series formula








2
1
1
Q
L
L P
S
Q=quality factor
Parallel formula






 
2
1
1
Q
L L
S P
Q=quality factor
When to use Series (L
S
)
Small capacitance:
Reactance (X
L
) < 1kΩ
Note: fL X
L

2 
When to use Parallel (L
P
)
Large capacitance:
Reactance (X
L
) > 1kΩ
Note: fL X
L

2 
Resistance Series diagram Parallel diagram
Series formula
 
2 1 Q
R
R P
S 

Q=quality factor
Parallel formula
 
2 1 Q R R
S P
 
Q=quality factor
When to use Series (R
S
)
Small resistance: < 1kΩ
When to use Parallel (R
P
)
Large resistance: > 1kΩ