Version 4
SHEET 1 1280 700
WIRE -48 -80 -128 -80
WIRE 96 -80 -48 -80
WIRE 272 -80 96 -80
WIRE 272 -64 272 -80
WIRE 96 -48 96 -80
WIRE -128 0 -128 -80
WIRE 96 48 96 16
WIRE 272 48 272 16
WIRE 96 64 96 48
WIRE 272 64 272 48
WIRE -128 176 -128 80
WIRE 96 176 96 144
WIRE 96 176 -128 176
WIRE 272 176 272 144
WIRE 272 176 96 176
WIRE -128 208 -128 176
FLAG -128 208 0
FLAG 96 48 1
FLAG 272 48 2
FLAG -48 -80 Ue
SYMBOL res 80 48 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 256 48 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL cap 80 -48 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL ind 256 -80 R0
SYMATTR InstName L1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=0
SYMBOL voltage -128 -16 R0
SYMATTR InstName V1
SYMATTR Value AC 1
TEXT -136 280 Left 2 !.ac dec 100 10k 10Meg
TEXT -152 352 Left 2 ;Ua/Ue = -(1+w^2*T1*T2)/((1+jw*T1)*(1+jw*T2))\n|Ua/Ue| = -(1+w^2*T^2)/( sqrt(1+(w*T1)^2)*sqrt(1+(w*T2)^2) )\nphi = 180°-arctan(w1*T)  -arctan(w2*T)\n   \nFalls T1=T2=T\nUa/Ue = -(1+w^2*T^2)/(1+jw*T)^2\n|Ua/Ue| = 1\nphi = 180°-2*arctan(w*T)
TEXT 160 32 Left 2 ;Ua
LINE Normal 224 48 144 48
LINE Normal 208 32 224 48 2
LINE Normal 224 48 208 32 2
LINE Normal 208 64 224 48