Version 4
SHEET 1 1168 680
WIRE -32 80 -96 80
WIRE 80 80 -32 80
WIRE 128 80 80 80
WIRE 256 80 208 80
WIRE 304 80 256 80
WIRE 432 80 384 80
WIRE 560 80 432 80
WIRE 608 80 560 80
WIRE 848 80 752 80
WIRE -96 112 -96 80
WIRE 80 112 80 80
WIRE 256 112 256 80
WIRE 432 112 432 80
WIRE 608 112 608 80
WIRE 752 112 752 80
WIRE -96 208 -96 192
WIRE 80 208 80 192
WIRE 256 208 256 192
WIRE 432 208 432 192
WIRE 608 208 608 192
WIRE 752 208 752 192
FLAG 80 208 0
FLAG 256 208 0
FLAG 432 208 0
FLAG -32 80 Vin
FLAG 560 80 Vout
FLAG -96 208 0
FLAG 608 208 0
FLAG 752 208 0
DATAFLAG 800 80 ""
SYMBOL res 64 96 R0
SYMATTR InstName R1
SYMATTR Value 1992
SYMBOL res 224 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1992
SYMBOL res 240 96 R0
SYMATTR InstName R3
SYMATTR Value 47
SYMBOL res 400 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 560
SYMBOL res 416 96 R0
SYMATTR InstName R5
SYMATTR Value 56
SYMBOL voltage -96 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL res 592 96 R0
SYMATTR InstName R6
SYMATTR Value 50
SYMBOL bv 752 96 R0
SYMATTR InstName B1
SYMATTR Value V=20*log10( V(vin)/V(vout) )
TEXT -130 278 Left 2 !.op
TEXT 16 0 Left 2 ;Attenuator
TEXT 728 0 Left 2 ;Attenuation in dB
RECTANGLE Normal 528 272 0 -16 2