Version 4 SHEET 1 2788 1600 WIRE 1424 336 1424 288 WIRE 1856 336 1856 288 WIRE 1344 384 1344 336 WIRE 1424 384 1344 384 WIRE 1920 384 1920 336 WIRE 1920 384 1856 384 WIRE 1520 416 1472 416 WIRE 1808 416 1520 416 WIRE 1424 496 1424 432 WIRE 1520 496 1520 416 WIRE 1520 496 1424 496 WIRE 1856 528 1856 432 WIRE 1856 528 1664 528 WIRE 2048 528 1856 528 WIRE 1424 544 1424 496 WIRE 864 576 816 576 WIRE 1152 576 1104 576 WIRE 1664 592 1664 528 WIRE 2048 592 2048 528 WIRE 352 608 352 544 WIRE 816 624 816 576 WIRE 1152 624 1152 576 WIRE 768 640 720 640 WIRE 1248 640 1200 640 WIRE 1728 640 1728 608 WIRE 1728 640 1664 640 WIRE 1984 640 1984 608 WIRE 2048 640 1984 640 WIRE 1424 672 1424 624 WIRE 1568 672 1552 672 WIRE 1616 672 1568 672 WIRE 2144 672 2096 672 WIRE 2160 672 2144 672 WIRE 1664 688 1664 672 WIRE 352 736 352 688 WIRE 352 736 288 736 WIRE 768 736 768 688 WIRE 816 736 816 704 WIRE 976 736 816 736 WIRE 1152 736 1152 704 WIRE 1152 736 976 736 WIRE 1200 736 1200 688 WIRE 288 752 288 736 WIRE 656 768 656 704 WIRE 2048 768 2048 688 WIRE 2112 768 2048 768 WIRE 352 784 352 736 WIRE 976 800 976 736 WIRE 1664 800 1664 688 WIRE 1760 800 1664 800 WIRE 1664 832 1664 800 WIRE 2048 832 2048 768 WIRE 1664 880 1568 880 WIRE 2128 880 2048 880 WIRE 656 912 656 848 WIRE 1760 912 1760 800 WIRE 1760 912 1712 912 WIRE 2000 912 1760 912 WIRE 352 928 352 864 WIRE 976 928 976 880 WIRE 1568 944 1568 880 WIRE 2128 944 2128 880 WIRE 1664 976 1664 928 WIRE 2048 976 2048 928 FLAG 288 752 0 FLAG 352 544 VDD FLAG 352 928 VSS FLAG 1664 976 VSS FLAG 2048 976 VSS FLAG 1424 288 VDD FLAG 1856 288 VDD FLAG 1424 672 VSS FLAG 1568 672 IN+ FLAG 2144 672 IN- FLAG 2112 768 OUT FLAG 1344 336 VDD FLAG 1920 336 VDD FLAG 1984 608 VDD FLAG 1728 608 VDD FLAG 1568 944 VSS FLAG 2128 944 VSS FLAG 1104 576 IN- FLAG 976 928 0 FLAG 768 736 0 FLAG 1200 736 0 FLAG 1248 640 VD FLAG 976 736 VCM FLAG 720 640 VD FLAG 864 576 IN+ FLAG 656 912 0 FLAG 656 704 VD SYMBOL voltage 352 592 R0 SYMATTR InstName Vps2 SYMATTR Value 5V SYMBOL voltage 352 768 R0 SYMATTR InstName Vps3 SYMATTR Value 5V SYMBOL nmos4 2000 832 R0 WINDOW 0 63 80 Left 2 WINDOW 3 65 11 Left 2 SYMATTR InstName M4 SYMATTR Value nmos1 W=50u L=10u SYMBOL nmos4 1712 832 M0 WINDOW 0 67 80 Left 2 WINDOW 3 66 10 Left 2 SYMATTR InstName M3 SYMATTR Value nmos1 W=50u L=10u SYMBOL pmos4 1616 592 R0 SYMATTR InstName M1 SYMATTR Value pmos1 W=120u L=8u SYMBOL pmos4 2096 592 M0 WINDOW 3 63 101 Left 2 SYMATTR InstName M2 SYMATTR Value pmos1 W=120u L=8u SYMBOL pmos4 1808 336 R0 SYMATTR InstName M5 SYMATTR Value pmos1 W=150u L=10u SYMBOL pmos4 1472 336 M0 SYMATTR InstName M6 SYMATTR Value pmos1 W=150u L=10u SYMBOL current 1424 544 R0 SYMATTR InstName Iref SYMATTR Value 25µA SYMBOL voltage 976 784 R0 WINDOW 0 -73 13 Left 2 WINDOW 3 -63 94 Left 2 SYMATTR InstName Vcm SYMATTR Value 0V SYMBOL e 816 608 R0 SYMATTR InstName E3 SYMATTR Value 0.5 SYMBOL e 1152 608 M0 SYMATTR InstName E4 SYMATTR Value -0.5 SYMBOL voltage 656 752 R0 WINDOW 0 -62 21 Left 2 WINDOW 3 -96 95 Left 2 SYMATTR InstName Vd SYMATTR Value 50mV TEXT 776 1144 Left 2 ;Device Models TEXT 288 1040 Left 2 ;Power Supplies TEXT 1664 1048 Left 2 ;High-Swing Cascode Current Mirror TEXT 1432 1200 Left 2 ;.DC Vd -5V 5V 1mV TEXT 1472 1144 Left 2 ;Spice Directives TEXT 672 1040 Left 2 ;Input Differential Signal with Common-Mode TEXT 520 1208 Left 2 !.model nmos1 nmos (kp=10u Vto=+1V lambda=0.04 gamma=0.9 ) TEXT 520 1256 Left 2 !.model pmos1 pmos (kp=10u Vto=-1V lambda=0.04 gamma=0.9 ) TEXT 1472 1248 Left 2 ;.TF V(OUT) Vd TEXT 1536 1296 Left 2 ;.OP TEXT 1440 1344 Left 2 ;.DC Vcm -5V +5V 50mV TEXT 1488 1392 Left 2 !.TF V(OUT) Vcm