Resonant curves L,VC, VR,I vS O) +vl C C (o) R2+(oL-1/C 丿aL V()= R2+(oL-1/aC)2 V(a)= 0→0 aC R+(aL-1/aC) max →0 VRO=RIO V→0 (DC)(@) V→V LResonant curves (V ,V ,V ,I vs) L C R 2 2 ( 1/ ) ( ) R L C V L VL     + − = 2 2 ( 1/ ) ( ) C R L C V VC     + − = 2 2 ( 1/ ) ( ) R L C V I    + − = V () RI() R = V  VC VL I 0 r ( ) 0 DC I VC V = = ( ) max r VL VC I  = − − V V V I L C → → → →  0 0 