Version 4 SHEET 1 3400 1124 WIRE 1136 -560 960 -560 WIRE 1632 -560 1136 -560 WIRE 1904 -560 1632 -560 WIRE 1968 -560 1904 -560 WIRE 960 -496 960 -560 WIRE 1136 -464 1136 -560 WIRE 912 -432 896 -432 WIRE 1632 -352 1632 -560 WIRE 1984 -352 1984 -416 WIRE 896 -304 896 -432 WIRE 960 -304 960 -320 WIRE 960 -304 896 -304 WIRE 1024 -304 960 -304 WIRE 1136 -304 1136 -384 WIRE 1136 -304 1088 -304 WIRE 1568 -304 1136 -304 WIRE 1904 -272 1904 -560 WIRE 1136 -240 1136 -304 WIRE 960 -192 960 -304 WIRE 1072 -192 960 -192 WIRE 1728 -192 1712 -192 WIRE 1824 -192 1808 -192 WIRE 1856 -192 1824 -192 WIRE 960 -160 960 -192 WIRE 1632 -160 1632 -256 WIRE 1712 -160 1712 -192 WIRE 1712 -160 1632 -160 WIRE 1712 -128 1712 -160 WIRE 1728 -128 1712 -128 WIRE 1824 -128 1824 -192 WIRE 1824 -128 1808 -128 WIRE 1136 -64 1136 -144 WIRE 1312 -64 1136 -64 WIRE 1424 -64 1312 -64 WIRE 1904 -64 1904 -176 WIRE 1904 -64 1504 -64 WIRE 960 -48 960 -80 WIRE 1312 -48 1312 -64 WIRE 1632 -32 1632 -160 WIRE 1904 -16 1904 -64 WIRE 880 0 880 -112 WIRE 896 0 880 0 WIRE 576 16 496 16 WIRE 496 48 496 16 WIRE 1312 48 1312 16 WIRE 960 64 960 48 WIRE 1136 64 1136 -64 WIRE 1632 96 1632 48 WIRE 1664 96 1632 96 WIRE 1776 96 1744 96 WIRE 1904 96 1904 64 WIRE 2080 96 1904 96 WIRE 2144 96 2080 96 WIRE 960 128 1136 64 WIRE 1136 128 960 64 WIRE 1904 128 1904 96 WIRE 2080 128 2080 96 WIRE 960 144 960 128 WIRE 1632 144 1632 96 WIRE 496 160 496 128 WIRE 1312 176 1312 128 WIRE 880 192 880 0 WIRE 896 192 880 192 WIRE 2080 240 2080 208 WIRE 1136 256 1136 128 WIRE 1312 256 1136 256 WIRE 1424 256 1312 256 WIRE 1904 256 1904 208 WIRE 1904 256 1504 256 WIRE 960 272 960 240 WIRE 1312 272 1312 256 WIRE 1728 320 1712 320 WIRE 1824 320 1808 320 WIRE 1136 336 1136 256 WIRE 1632 352 1632 224 WIRE 1712 352 1712 320 WIRE 1712 352 1632 352 WIRE 2080 352 2080 320 WIRE 1312 368 1312 336 WIRE 1904 368 1904 256 WIRE 960 384 960 352 WIRE 1072 384 960 384 WIRE 1712 384 1712 352 WIRE 1728 384 1712 384 WIRE 1824 384 1824 320 WIRE 1824 384 1808 384 WIRE 1856 384 1824 384 WIRE 432 432 432 400 WIRE 464 432 432 432 WIRE 608 432 608 400 WIRE 608 432 544 432 WIRE 656 432 608 432 WIRE 784 432 784 416 WIRE 784 432 736 432 WIRE 1632 464 1632 352 WIRE 1312 480 1312 448 WIRE 960 512 960 384 WIRE 960 512 896 512 WIRE 1024 512 960 512 WIRE 1136 512 1136 432 WIRE 1136 512 1088 512 WIRE 1568 512 1136 512 WIRE 960 528 960 512 WIRE 432 544 432 432 WIRE 464 544 432 544 WIRE 608 544 608 432 WIRE 608 544 528 544 WIRE 704 544 608 544 WIRE 784 544 784 432 WIRE 784 544 768 544 WIRE 1136 608 1136 512 WIRE 960 624 960 608 WIRE 896 656 896 512 WIRE 912 656 896 656 WIRE 960 752 960 720 WIRE 1136 752 1136 688 WIRE 1136 752 960 752 WIRE 1632 752 1632 560 WIRE 1632 752 1136 752 WIRE 1904 752 1904 464 WIRE 1904 752 1632 752 WIRE 1968 752 1904 752 WIRE 960 768 960 752 FLAG 1968 -560 +PSP IOPIN 1968 -560 Out FLAG 1968 752 -PSP IOPIN 1968 752 Out FLAG 880 -112 IN IOPIN 880 -112 In FLAG 2144 96 OUT IOPIN 2144 96 Out FLAG 1984 -416 GND IOPIN 1984 -416 BiDir FLAG 1984 -352 0 FLAG 1776 96 0 FLAG 496 160 0 FLAG 576 16 in IOPIN 576 16 Out FLAG 432 400 -PSP IOPIN 432 400 Out FLAG 784 416 +PSP IOPIN 784 416 Out FLAG 608 400 0 FLAG 1312 480 0 FLAG 2080 352 0 FLAG 1312 176 0 SYMBOL npn 896 144 R0 SYMATTR InstName Q2 SYMATTR Value BC546B SYMBOL pnp 896 48 M180 WINDOW 0 79 81 Left 0 WINDOW 3 82 46 Left 0 SYMATTR InstName Q1 SYMATTR Value BC556B SYMBOL npn 1072 -240 R0 SYMATTR InstName Q3 SYMATTR Value BF420P SYMBOL res 1120 -480 R0 SYMATTR InstName R5 SYMATTR Value {r1} SYMBOL res 1120 592 R0 SYMATTR InstName R6 SYMATTR Value {r1} SYMBOL res 1616 128 R0 SYMATTR InstName R8 SYMATTR Value 200 SYMBOL pnp 1072 432 M180 WINDOW 0 72 66 Left 0 WINDOW 3 54 34 Left 0 SYMATTR InstName Q4 SYMATTR Value BF421P SYMBOL res 944 -176 R0 SYMATTR InstName R3 SYMATTR Value {r0} SYMBOL res 944 256 R0 SYMATTR InstName R4 SYMATTR Value {r0} SYMBOL res 1888 -32 R0 SYMATTR InstName R11 SYMATTR Value 0.1 SYMBOL res 1888 112 R0 SYMATTR InstName R12 SYMATTR Value 0.1 SYMBOL res 1712 -112 R270 WINDOW 0 -25 9 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R9 SYMATTR Value 220 SYMBOL ind 1712 -176 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L2 SYMATTR Value 20nH SYMBOL res 1824 304 R90 WINDOW 0 0 97 VBottom 0 WINDOW 3 -30 38 VTop 0 SYMATTR InstName R10 SYMATTR Value 220 SYMBOL ind 1824 368 R90 WINDOW 0 5 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName L3 SYMATTR Value 20nH SYMBOL npn 1568 464 R0 SYMATTR InstName Q6 SYMATTR Value BD131 SYMBOL pnp 1568 -256 M180 WINDOW 0 72 66 Left 0 WINDOW 3 54 34 Left 0 SYMATTR InstName Q5 SYMATTR Value BD132 SYMBOL cap 1088 -320 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value {C1} SYMBOL cap 1088 496 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value {C1} SYMBOL res 1616 -48 R0 SYMATTR InstName R7 SYMATTR Value 200 SYMBOL res 1760 80 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R13 SYMATTR Value 510 SYMBOL voltage 496 32 R0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 0 SYMATTR InstName V1 SYMATTR Value SINE(0 0.0022 10k 0 0 0) SYMBOL voltage 560 432 R90 WINDOW 0 -32 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName V2 SYMATTR Value 17V SYMBOL cap 768 560 M270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C3 SYMATTR Value 0.22µF SYMBOL cap 528 560 M270 WINDOW 3 0 32 VBottom 0 WINDOW 0 32 32 VTop 0 SYMATTR Value 0.22µF SYMATTR InstName C4 SYMBOL voltage 752 432 R90 WINDOW 0 -32 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName V3 SYMATTR Value 17V SYMBOL njf 912 -496 R0 SYMATTR InstName J3 SYMATTR Value 2N4416 SYMBOL res 944 -416 R0 SYMATTR InstName R14 SYMATTR Value 270 SYMBOL pjf 912 720 M180 SYMATTR InstName J4 SYMATTR Value 2N5460 SYMBOL res 944 512 R0 SYMATTR InstName R15 SYMATTR Value 360 SYMBOL ind 1408 -48 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 10 SYMBOL ind 1408 272 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L4 SYMATTR Value 10 SYMBOL voltage 1312 32 R0 WINDOW 123 24 132 Left 0 WINDOW 39 28 160 Left 0 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=0.4 SYMATTR InstName V4 SYMATTR Value 0 SYMBOL voltage 1312 352 R0 WINDOW 123 24 132 Left 0 WINDOW 39 18 174 Left 0 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=0.7 SYMATTR InstName V5 SYMATTR Value 0 SYMBOL res 2064 112 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL cap 1296 -48 R0 SYMATTR InstName C5 SYMATTR Value 10 SYMBOL cap 1296 272 R0 SYMATTR InstName C6 SYMATTR Value 10 SYMBOL voltage 2080 224 R0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 0 SYMATTR InstName V6 SYMATTR Value "" SYMBOL nmos 1856 -272 R0 SYMATTR InstName M1 SYMATTR Value Si7850DP SYMBOL pmos 1856 464 M180 SYMATTR InstName M2 SYMATTR Value Si7469DP TEXT 464 -560 Left 0 !.param C1=470pF\n.param r0=51 r1=62 TEXT 896 -256 Left 0 ;4.1mA TEXT 1560 -200 Left 0 ;20mA TEXT 1816 16 Left 0 ;1.75A TEXT 1152 -104 Left 0 ;11mA TEXT 456 -280 Left 0 !;op TEXT 464 -464 Left 0 !.tran 1m TEXT 968 -712 Left 0 ;Open Loop Gain = V(out)/1V TEXT 1304 -152 Left 0 ;open loop test TEXT 1368 -816 Left 0 ;Measurement of source impedance\n \nSet V6 to 1V AC and V4, V5 to 0V AC.\n \nZin1 = V(n017)/I(R11) about 0.4Ohm\nZin2 = V(n018)/I(R12) about 0.7Ohm\n \nThese values are then used in V4 and V5 as source resistance. RECTANGLE Normal 1536 544 1248 -128