Version 4
SHEET 1 1228 948
WIRE -736 -912 -848 -912
WIRE -176 -912 -320 -912
WIRE -896 -896 -1040 -896
WIRE -736 -880 -736 -912
WIRE -624 -880 -656 -880
WIRE -448 -880 -528 -880
WIRE -368 -880 -448 -880
WIRE -448 -864 -448 -880
WIRE -624 -848 -656 -848
WIRE -496 -848 -528 -848
WIRE -320 -848 -320 -912
WIRE -368 -832 -368 -880
WIRE -1088 -800 -1280 -800
WIRE -176 -800 -176 -912
WIRE -112 -800 -176 -800
WIRE -896 -784 -896 -848
WIRE -848 -784 -848 -832
WIRE -848 -784 -896 -784
WIRE -1040 -768 -1040 -896
WIRE -848 -768 -848 -784
WIRE -1088 -752 -1088 -800
WIRE -656 -736 -656 -848
WIRE -496 -736 -496 -848
WIRE -496 -736 -656 -736
WIRE -448 -736 -448 -784
WIRE -448 -736 -496 -736
WIRE -368 -736 -368 -784
WIRE -368 -736 -448 -736
WIRE -320 -736 -320 -768
WIRE -320 -736 -368 -736
WIRE -368 -704 -368 -736
WIRE -1088 -656 -1088 -704
WIRE -1040 -656 -1040 -688
WIRE -1040 -656 -1088 -656
WIRE -1088 -624 -1088 -656
WIRE -1280 -480 -1280 -800
WIRE -1280 -480 -1344 -480
WIRE -1216 -480 -1280 -480
WIRE -112 -480 -1168 -480
WIRE -1168 -448 -1168 -480
WIRE -1216 -432 -1216 -480
WIRE -1344 -384 -1344 -480
WIRE -1216 -336 -1216 -384
WIRE -1168 -336 -1168 -368
WIRE -1168 -336 -1216 -336
WIRE -1216 -304 -1216 -336
WIRE -1344 -272 -1344 -304
FLAG -1344 -272 0
FLAG -112 -480 low
IOPIN -112 -480 Out
FLAG -1216 -304 0
FLAG -1088 -624 0
FLAG -112 -800 tweet
IOPIN -112 -800 Out
FLAG -848 -768 0
FLAG -368 -704 0
SYMBOL voltage -1344 -400 R0
WINDOW 3 -206 169 Left 0
WINDOW 0 -104 59 Left 0
WINDOW 123 -105 94 Left 0
SYMATTR Value ""
SYMATTR InstName V1
SYMATTR Value2 AC 1 0
SYMATTR SpiceLine Rser=0 Cpar=0
SYMBOL e -1168 -464 R0
SYMATTR InstName E3
SYMATTR Value Laplace={1/(1+2*(s/wb)+2*(s/wb)**2+(s/wb)**3)}
SYMBOL e -1040 -784 R0
WINDOW 3 -116 208 Left 0
SYMATTR Value Laplace={(s/wc)**4/(1+2.828*(s/wc)+4*(s/wc)**2+2.828*(s/wc)**3+(s/wc)**4)}
SYMATTR InstName E4
SYMBOL e -848 -928 R0
WINDOW 3 -110 228 Left 0
SYMATTR InstName E1
SYMATTR Value Laplace={(s/wh)**2/(1+1.732*(s/wh)+(s/wh)**2)}
SYMBOL tline -576 -864 R0
WINDOW 3 -56 -78 Left 0
WINDOW 0 -57 -42 Left 0
SYMATTR Value Td={0.0005/Fc}  Z0=50
SYMATTR InstName T1
SYMBOL res -640 -896 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL res -464 -880 R0
SYMATTR InstName R2
SYMATTR Value 50
SYMBOL e -320 -864 R0
SYMATTR InstName E2
SYMATTR Value 2
TEXT -1584 -872 Left 0 !.param Fc 300
TEXT -1592 -512 Left 0 !.ac oct 1000 10 1000000
TEXT -1584 -832 Left 0 !.param wc {2*pi*Fc}
TEXT -1584 -792 Left 0 !.param wb {2*pi*Fc*1.067}
TEXT -1584 -752 Left 0 !.param wh {2*pi*Fc*1}