Series Resonance
1
rad/s
LC
0 
2
1  
Q
B
R
1
 R 
 
 
2L
 2 L  LC
0 L
R

2
2 
R
1
 R 
 
 
2L
 2 L  LC
1
0CR
R 0

L Q
Parallel Resonance
0 
1
rad/s
LC
2
1
1
 1 
1  
 
 
2 RC
 2 RC  LC
Q  0 RC 
B
1
RC
R
0 L
2
1
1
 1 
2 
 
 
2 RC
 2 RC  LC