Version 4 SHEET 1 2500 680 WIRE 864 -352 864 -384 WIRE 864 -336 864 -352 WIRE 1040 112 1040 80 WIRE 1072 -160 1024 -160 WIRE 1120 -160 1072 -160 WIRE 1152 80 1040 80 WIRE 1152 80 1152 -64 WIRE 1168 80 1152 80 WIRE 1248 80 1232 80 WIRE 1248 80 1248 -32 WIRE 1264 -160 1200 -160 WIRE 1264 -144 1264 -160 WIRE 1264 -64 1152 -64 WIRE 1264 -64 1264 -80 WIRE 1296 -32 1248 -32 WIRE 1376 -160 1264 -160 WIRE 1376 80 1248 80 WIRE 1424 -80 1424 -144 WIRE 1424 -32 1376 -32 WIRE 1424 -32 1424 -80 WIRE 1424 0 1424 -32 WIRE 1424 128 1424 96 WIRE 1600 -80 1424 -80 WIRE 1600 -48 1600 -80 WIRE 1600 48 1600 32 FLAG 864 -256 0 FLAG 864 -352 VDD FLAG 1424 48 0 FLAG 1424 128 0 FLAG 1600 48 0 FLAG 1424 -240 VDD FLAG 1424 -192 VDD FLAG 800 -240 VDD FLAG 800 112 0 FLAG 944 -176 Vbias1 FLAG 944 -144 Vhigh FLAG 944 -112 Vbias2 FLAG 944 -16 Vbias3 FLAG 944 -80 Vpcas FLAG 944 -48 Vncas FLAG 944 48 Vbias4 FLAG 944 16 Vlow FLAG 1040 192 0 FLAG 1600 -80 Vout FLAG 1072 -160 Vbias1 SYMBOL voltage 864 -352 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VDD SYMATTR Value 1 SYMBOL nmos4 1376 0 R0 WINDOW 123 56 100 Left 0 SYMATTR Value2 l=100n w=25u SYMATTR InstName M1 SYMATTR Value N_50n SYMBOL pmos4 1376 -240 R0 WINDOW 123 58 102 Left 0 WINDOW 0 56 16 Left 0 SYMATTR Value2 l=100n w=50u SYMATTR InstName M4 SYMATTR Value P_50n SYMBOL Fig_20_47 800 -64 R0 SYMATTR InstName U1 SYMBOL voltage 1040 96 R0 WINDOW 0 39 43 Left 0 WINDOW 123 38 75 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VIN SYMATTR Value2 AC 0 SYMATTR Value SINE(0 2m 1MEG) SYMBOL res 1280 -16 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName Rbign SYMATTR Value 100MEG SYMBOL res 1104 -144 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName Rbig SYMATTR Value 100MEG SYMBOL cap 1168 96 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName Cbig SYMATTR Value 1µ SYMBOL res 1584 -64 R0 SYMATTR InstName Rload SYMATTR Value 1k SYMBOL cap 1248 -144 R0 SYMATTR InstName Cbig2 SYMATTR Value 1µ TEXT 736 248 Left 0 !.lib cmosedu_models.txt TEXT 976 -408 Left 0 ;The output from the .four (Fourier) command is printed in the .log file. \nUse the menu item "View=>Spice Error Log" with the schematic \nwindow active to see the output. The FFT, "View+>FFT" with the \nplot window active, can be also be useful when plotting. TEXT 1272 200 Left 0 !.tran 0 2u 0 1n TEXT 1456 200 Left 0 !.four 1MEG v(vout)