Version 4
SHEET 1 1236 680
WIRE 64 -336 -304 -336
WIRE 96 -336 64 -336
WIRE 208 -336 176 -336
WIRE 608 -336 208 -336
WIRE 1056 -336 912 -336
WIRE -304 -304 -304 -336
WIRE 64 -288 64 -336
WIRE 208 -288 208 -336
WIRE 608 -288 608 -336
WIRE 912 -288 912 -336
WIRE -304 -208 -304 -224
WIRE 64 -160 64 -208
WIRE 208 -160 208 -208
WIRE 608 -160 608 -208
WIRE 912 -160 912 -208
WIRE -304 -112 -304 -128
WIRE 48 32 -320 32
WIRE 80 32 48 32
WIRE 192 32 160 32
WIRE 592 32 192 32
WIRE -320 80 -320 32
WIRE 48 80 48 32
WIRE 192 80 192 32
WIRE 592 80 592 32
WIRE -320 176 -320 160
WIRE 48 208 48 160
WIRE 192 208 192 160
WIRE 592 208 592 160
WIRE 48 368 -320 368
WIRE 80 368 48 368
WIRE 192 368 160 368
WIRE 592 368 192 368
WIRE -320 400 -320 368
WIRE 48 416 48 368
WIRE 192 416 192 368
WIRE 592 416 592 368
WIRE -320 512 -320 480
WIRE 48 544 48 496
WIRE 192 544 192 496
WIRE 592 544 592 496
FLAG 208 -160 0
FLAG 64 -160 0
FLAG 608 -160 0
FLAG -304 -112 0
FLAG 592 208 0
FLAG -320 176 0
FLAG 592 544 0
FLAG -320 512 0
FLAG 192 208 0
FLAG 48 208 0
FLAG 192 544 0
FLAG 48 544 0
FLAG -304 -336 Vin
FLAG 608 -336 Vut
FLAG 912 -160 0
DATAFLAG 416 -336 ""
DATAFLAG -144 -336 ""
DATAFLAG 592 32 ""
DATAFLAG -160 32 ""
DATAFLAG 592 368 ""
DATAFLAG -160 368 ""
DATAFLAG 976 -336 ""
SYMBOL res 48 -304 R0
SYMATTR InstName R1
SYMATTR Value {r1_val}
SYMBOL res 80 -320 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value {r2_val}
SYMBOL res 192 -304 R0
SYMATTR InstName R3
SYMATTR Value {r3_val}
SYMBOL res 592 -304 R0
SYMATTR InstName R4
SYMATTR Value 50
SYMBOL voltage -304 -224 R0
WINDOW 123 24 44 Left 2
WINDOW 39 24 72 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value 1500
SYMBOL res -320 -320 R0
SYMATTR InstName R7
SYMATTR Value 50
SYMBOL res 576 64 R0
SYMATTR InstName R11
SYMATTR Value 50
SYMBOL res -336 384 R0
SYMATTR InstName R19
SYMATTR Value 50
SYMBOL current -320 160 R180
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 1
SYMBOL current 592 496 R180
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 I2
SYMATTR Value 1
SYMBOL res 32 64 R0
SYMATTR InstName R5
SYMATTR Value {r1_val}
SYMBOL res 64 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value {r2_val}
SYMBOL res 176 64 R0
SYMATTR InstName R8
SYMATTR Value {r3_val}
SYMBOL res 32 400 R0
SYMATTR InstName R9
SYMATTR Value {r1_val}
SYMBOL res 64 384 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value {r2_val}
SYMBOL res 176 400 R0
SYMATTR InstName R12
SYMATTR Value {r3_val}
SYMBOL bv 912 -304 R0
SYMATTR InstName B1
SYMATTR Value V=V(Vut)/V(Vin)
TEXT -224 -16 Left 2 ;In-Impedans
TEXT 512 320 Left 2 ;Ut-Impedans
TEXT -104 -640 Left 2 !* Laborera mera\n.param R1_val = 2k\n.param R2_val = 2k\n.param R3_val = 50
TEXT -88 -704 Left 2 !;.op
TEXT -104 -480 Left 2 !.meas OP amp PARAM V(Vut)/V(Vin)
TEXT 440 -720 Left 2 !.tran 1