Version 4
SHEET 1 880 680
WIRE -48 112 -96 112
WIRE 80 112 -48 112
WIRE 272 112 160 112
WIRE 304 112 272 112
WIRE 304 176 304 112
WIRE -96 224 -96 112
WIRE 304 336 304 256
WIRE -96 432 -96 304
WIRE 304 432 304 400
WIRE 304 432 -96 432
WIRE 304 480 304 432
FLAG 304 480 0
FLAG -48 112 Vi
FLAG 272 112 Vo
SYMBOL voltage -96 208 R0
SYMATTR InstName V1
SYMATTR Value AC 1
SYMBOL res 176 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL ind 288 160 R0
SYMATTR InstName L1
SYMATTR Value 4.7m
SYMBOL cap 288 336 R0
SYMATTR InstName C1
SYMATTR Value 0.022µ
TEXT -88 520 Left 2 !.ac dec 1000 2k 200k