Version 4
SHEET 1 932 1000
WIRE -48 80 -288 80
WIRE 32 80 -48 80
WIRE 128 80 32 80
WIRE 304 80 208 80
WIRE 384 80 304 80
WIRE 528 80 464 80
WIRE 640 80 528 80
WIRE 752 80 640 80
WIRE -288 128 -288 80
WIRE 32 128 32 80
WIRE 304 128 304 80
WIRE 528 128 528 80
WIRE 752 128 752 80
WIRE -288 240 -288 208
WIRE 32 240 32 208
WIRE 304 240 304 208
WIRE 528 240 528 208
WIRE 752 240 752 208
WIRE -48 400 -288 400
WIRE 32 400 -48 400
WIRE 128 400 32 400
WIRE 304 400 208 400
WIRE 384 400 304 400
WIRE 528 400 464 400
WIRE 640 400 528 400
WIRE 752 400 640 400
WIRE -288 448 -288 400
WIRE 32 448 32 400
WIRE 304 448 304 400
WIRE 528 448 528 400
WIRE 752 448 752 400
WIRE -288 560 -288 528
WIRE 32 560 32 528
WIRE 304 560 304 528
WIRE 528 560 528 528
WIRE 752 560 752 528
WIRE -48 720 -288 720
WIRE 32 720 -48 720
WIRE 128 720 32 720
WIRE 384 720 208 720
WIRE 528 720 464 720
WIRE 640 720 528 720
WIRE 752 720 640 720
WIRE -288 768 -288 720
WIRE 32 768 32 720
WIRE 528 768 528 720
WIRE 752 768 752 720
WIRE -288 880 -288 848
WIRE 32 880 32 848
WIRE 528 880 528 848
WIRE 752 880 752 848
FLAG 32 240 0
FLAG 304 240 0
FLAG 528 240 0
FLAG 752 240 0
FLAG -288 240 0
FLAG -48 80 in30
FLAG 640 80 out30
FLAG 32 560 0
FLAG 304 560 0
FLAG 528 560 0
FLAG 752 560 0
FLAG -288 560 0
FLAG -48 400 in20
FLAG 640 400 out20
FLAG 32 880 0
FLAG 528 880 0
FLAG 752 880 0
FLAG -288 880 0
FLAG -48 720 in10
FLAG 640 720 out10
SYMBOL Misc\\EuropeanResistor 16 112 R0
SYMATTR InstName R1
SYMATTR Value 56
SYMBOL Misc\\EuropeanResistor 224 64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 270
SYMBOL Misc\\EuropeanResistor 288 112 R0
SYMATTR InstName R3
SYMATTR Value 390
SYMBOL Misc\\EuropeanResistor 480 64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 270
SYMBOL Misc\\EuropeanResistor 512 112 R0
SYMATTR InstName R5
SYMATTR Value 56
SYMBOL Misc\\signal -288 112 R0
WINDOW 123 24 132 Left 2
WINDOW 39 24 160 Left 2
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=50
SYMATTR InstName V1
SYMBOL Misc\\EuropeanResistor 736 112 R0
SYMATTR InstName R6
SYMATTR Value 50
SYMBOL Misc\\EuropeanResistor 16 432 R0
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 224 384 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 68
SYMBOL Misc\\EuropeanResistor 288 432 R0
SYMATTR InstName R9
SYMATTR Value 51
SYMBOL Misc\\EuropeanResistor 480 384 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 75
SYMBOL Misc\\EuropeanResistor 512 432 R0
SYMATTR InstName R11
SYMATTR Value 100
SYMBOL Misc\\signal -288 432 R0
WINDOW 123 24 132 Left 2
WINDOW 39 24 160 Left 2
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=50
SYMATTR InstName V2
SYMBOL Misc\\EuropeanResistor 736 432 R0
SYMATTR InstName R12
SYMATTR Value 50
SYMBOL Misc\\EuropeanResistor 16 752 R0
SYMATTR InstName R13
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 224 704 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 33
SYMBOL Misc\\EuropeanResistor 480 704 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R16
SYMATTR Value 39
SYMBOL Misc\\EuropeanResistor 512 752 R0
SYMATTR InstName R17
SYMATTR Value 100
SYMBOL Misc\\signal -288 752 R0
WINDOW 123 24 132 Left 2
WINDOW 39 24 160 Left 2
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=50
SYMATTR InstName V3
SYMBOL Misc\\EuropeanResistor 736 752 R0
SYMATTR InstName R18
SYMATTR Value 50
TEXT 272 16 Left 2 ;30dB
TEXT 272 336 Left 2 ;20dB
TEXT 272 656 Left 2 ;10dB
TEXT -24 984 Left 2 !.ac dec 10 1k 10gig
RECTANGLE Normal 672 304 -80 0 2
RECTANGLE Normal 672 624 -80 320 2
RECTANGLE Normal 672 944 -80 640 2