Version 4
SHEET 1 1036 680
WIRE 976 32 240 32
WIRE 144 128 -64 128
WIRE 240 128 240 32
WIRE 240 128 224 128
WIRE 320 128 240 128
WIRE 432 128 400 128
WIRE 512 128 432 128
WIRE 624 128 592 128
WIRE 704 128 624 128
WIRE 800 128 784 128
WIRE -64 176 -64 128
WIRE 976 176 976 32
WIRE 240 192 240 128
WIRE 432 192 432 128
WIRE 624 192 624 128
WIRE 800 192 800 128
WIRE -64 304 -64 256
WIRE 240 304 240 272
WIRE 432 304 432 272
WIRE 624 304 624 272
WIRE 800 304 800 272
WIRE 976 304 976 256
FLAG 240 304 0
FLAG 432 304 0
FLAG 624 304 0
FLAG 800 304 0
FLAG -64 304 0
FLAG 800 128 T4
FLAG 624 128 T3
FLAG 432 128 T2
FLAG 240 128 T1
FLAG 976 304 0
SYMBOL voltage -64 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 0
SYMBOL res 240 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value {Rs}
SYMBOL res 416 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value {Rs}
SYMBOL res 608 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value {Rs}
SYMBOL res 800 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value {Rs}
SYMBOL res 224 176 R0
SYMATTR InstName R5
SYMATTR Value {Rq}
SYMBOL res 416 176 R0
SYMATTR InstName R6
SYMATTR Value {Rq}
SYMBOL res 608 176 R0
SYMATTR InstName R7
SYMATTR Value {Rq}
SYMBOL res 784 176 R0
SYMATTR InstName R8
SYMATTR Value {Rq}
SYMBOL current 976 256 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 1A
TEXT 240 344 Left 2 !.param Rs=50k
TEXT 240 368 Left 2 !.param Rq=50k
TEXT -98 388 Left 2 !.tran 1
TEXT 104 160 Left 2 ;81K
TEXT 248 160 Left 2 ;19,12k
TEXT 432 160 Left 2 ;22,06k
TEXT 632 160 Left 2 ;23,53k
TEXT 808 160 Left 2 ;30,88k