Version 4 SHEET 1 1860 1260 WIRE -800 -176 -816 -176 WIRE -640 -176 -656 -176 WIRE -192 -176 -224 -176 WIRE -80 -176 -128 -176 WIRE 16 -176 -16 -176 WIRE -816 -80 -816 -176 WIRE -768 -80 -816 -80 WIRE -640 -80 -640 -176 WIRE -640 -80 -688 -80 WIRE 512 -80 480 -80 WIRE -224 -64 -224 -176 WIRE -144 -64 -224 -64 WIRE 16 -64 16 -176 WIRE 16 -64 -80 -64 WIRE 480 -64 480 -80 WIRE 512 -64 512 -80 WIRE 528 -64 512 -64 WIRE 688 -48 592 -48 WIRE 768 -48 688 -48 WIRE 528 -32 432 -32 WIRE 768 -16 768 -48 WIRE -224 0 -224 -64 WIRE -144 0 -224 0 WIRE 16 0 16 -64 WIRE 16 0 -64 0 WIRE -816 16 -816 -80 WIRE -752 16 -816 16 WIRE -640 16 -640 -80 WIRE -640 16 -688 16 WIRE -624 16 -640 16 WIRE 144 16 128 16 WIRE 768 80 768 64 WIRE 864 80 768 80 WIRE -192 96 -192 80 WIRE -176 96 -192 96 WIRE 768 96 768 80 WIRE -816 112 -816 16 WIRE -736 112 -816 112 WIRE -80 112 -112 112 WIRE 16 112 16 0 WIRE 16 112 -16 112 WIRE 128 112 128 16 WIRE 128 112 16 112 WIRE 272 112 128 112 WIRE 432 112 432 -32 WIRE 432 112 352 112 WIRE 528 112 432 112 WIRE 688 112 688 -48 WIRE 688 112 608 112 WIRE -2032 128 -2112 128 WIRE -640 128 -640 16 WIRE -640 128 -672 128 WIRE -576 128 -640 128 WIRE -528 128 -576 128 WIRE -400 128 -448 128 WIRE -352 128 -400 128 WIRE -336 128 -352 128 WIRE -224 128 -224 0 WIRE -224 128 -256 128 WIRE -176 128 -224 128 WIRE -2112 144 -2112 128 WIRE -1776 144 -1840 144 WIRE -1680 144 -1696 144 WIRE -1568 144 -1600 144 WIRE -1536 144 -1568 144 WIRE -1504 144 -1536 144 WIRE -1376 144 -1472 144 WIRE -1136 144 -1184 144 WIRE -1072 144 -1136 144 WIRE -912 144 -992 144 WIRE -736 144 -912 144 WIRE -1472 160 -1472 144 WIRE -1568 176 -1568 144 WIRE -1184 176 -1184 144 WIRE -816 176 -816 112 WIRE 768 176 768 160 WIRE -1840 192 -1840 144 WIRE 432 192 432 112 WIRE 528 192 432 192 WIRE 688 192 688 112 WIRE 688 192 592 192 WIRE -352 224 -352 128 WIRE 64 224 -352 224 WIRE -2112 240 -2112 224 WIRE -1568 256 -1568 240 WIRE -1472 256 -1472 240 WIRE 896 256 864 256 WIRE -1184 272 -1184 256 WIRE 864 272 864 256 WIRE 896 272 896 256 WIRE 912 272 896 272 WIRE -816 288 -816 256 WIRE 1088 288 976 288 WIRE 1152 288 1088 288 WIRE 704 304 672 304 WIRE 816 304 784 304 WIRE 912 304 816 304 WIRE -1840 352 -1840 192 WIRE 1152 352 1152 288 WIRE -224 384 -256 384 WIRE -128 384 -160 384 WIRE -2048 416 -2112 416 WIRE -2112 432 -2112 416 WIRE 816 432 816 304 WIRE 912 432 816 432 WIRE 1088 432 1088 288 WIRE 1088 432 992 432 WIRE 1152 448 1152 432 WIRE 1280 448 1152 448 WIRE -1840 464 -1840 432 WIRE 1152 464 1152 448 WIRE -128 480 -128 384 WIRE -128 480 -160 480 WIRE -64 480 -128 480 WIRE 64 480 64 224 WIRE 64 480 16 480 WIRE 464 480 432 480 WIRE -624 496 -736 496 WIRE -384 496 -544 496 WIRE -336 496 -384 496 WIRE -256 496 -256 384 WIRE -256 496 -336 496 WIRE -224 496 -256 496 WIRE 432 496 432 480 WIRE 464 496 464 480 WIRE 480 496 464 496 WIRE -128 512 -160 512 WIRE 672 512 672 304 WIRE 672 512 544 512 WIRE 768 512 672 512 WIRE 992 512 768 512 WIRE -2112 528 -2112 512 WIRE 128 528 128 112 WIRE 208 528 128 528 WIRE 384 528 288 528 WIRE 480 528 384 528 WIRE 992 528 992 512 WIRE -128 544 -128 512 WIRE 1152 560 1152 528 WIRE 992 624 992 608 WIRE 1280 624 992 624 WIRE 992 640 992 624 WIRE -1680 656 -1744 656 WIRE -1200 656 -1680 656 WIRE -800 656 -1120 656 WIRE -736 656 -736 496 WIRE -736 656 -800 656 WIRE -304 656 -736 656 WIRE -240 656 -304 656 WIRE -64 656 -176 656 WIRE 128 656 128 528 WIRE 128 656 -64 656 WIRE 384 656 384 528 WIRE 480 656 384 656 WIRE 672 656 672 512 WIRE 672 656 560 656 WIRE 768 688 768 512 WIRE -1744 704 -1744 656 WIRE -304 720 -304 656 WIRE -240 720 -304 720 WIRE -64 720 -64 656 WIRE -64 720 -160 720 WIRE 384 720 384 656 WIRE 480 720 384 720 WIRE 672 720 672 656 WIRE 672 720 544 720 WIRE 992 736 992 704 WIRE -1840 752 -1840 544 WIRE -1840 816 -1840 752 WIRE -1744 816 -1744 784 WIRE 192 816 160 816 WIRE 912 816 880 816 WIRE 160 832 160 816 WIRE 192 832 192 816 WIRE 208 832 192 832 WIRE 880 832 880 816 WIRE 912 832 912 816 WIRE 928 832 912 832 WIRE 400 848 272 848 WIRE 496 848 400 848 WIRE 1120 848 992 848 WIRE 1216 848 1120 848 WIRE -2176 864 -2176 848 WIRE -2064 864 -2064 848 WIRE -384 864 -384 496 WIRE -64 864 -384 864 WIRE 112 864 16 864 WIRE 208 864 112 864 WIRE 768 864 768 768 WIRE 832 864 768 864 WIRE 928 864 832 864 WIRE -1840 912 -1840 896 WIRE -1744 912 -1744 896 WIRE -1744 912 -1840 912 WIRE 496 912 496 848 WIRE 1216 912 1216 848 WIRE -1744 928 -1744 912 WIRE 112 992 112 864 WIRE 208 992 112 992 WIRE 400 992 400 848 WIRE 400 992 288 992 WIRE 832 992 832 864 WIRE 928 992 832 992 WIRE 1120 992 1120 848 WIRE 1120 992 1008 992 WIRE 496 1008 496 992 WIRE 592 1008 496 1008 WIRE 1216 1008 1216 992 WIRE 1328 1008 1216 1008 WIRE 496 1024 496 1008 WIRE 1216 1024 1216 1008 WIRE 832 1056 832 992 WIRE 928 1056 832 1056 WIRE 1120 1056 1120 992 WIRE 1120 1056 992 1056 WIRE 496 1120 496 1088 WIRE 1216 1120 1216 1088 WIRE 832 1136 832 1056 WIRE 880 1136 832 1136 WIRE 992 1136 944 1136 WIRE 1120 1136 1120 1056 WIRE 1120 1136 1056 1136 FLAG -816 288 0 FLAG -704 96 +15V FLAG -704 160 -15V FLAG -2176 768 +15V FLAG -2176 864 0 FLAG -2064 768 -15V FLAG -912 208 0 FLAG 144 16 Out2 IOPIN 144 16 Out FLAG -192 80 0 FLAG -1744 928 0 FLAG -144 144 +15V FLAG -64 144 +15V FLAG -48 80 -15V FLAG -144 80 -15V FLAG -128 544 0 FLAG -624 16 Out1 IOPIN -624 16 Out FLAG -1568 256 0 FLAG -1376 144 Disp_M IOPIN -1376 144 Out FLAG -2048 416 Accel IOPIN -2048 416 Out FLAG -1184 272 0 FLAG -2112 528 0 FLAG -2112 240 0 FLAG -192 464 +15V FLAG -192 528 -15V FLAG -336 496 Vint FLAG -800 656 Vactuator FLAG 512 544 +15V FLAG 512 480 -15V FLAG 432 496 0 FLAG 944 320 +15V FLAG 944 256 -15V FLAG 864 272 0 FLAG 992 736 0 FLAG 1152 560 0 FLAG 960 880 +15V FLAG 960 816 -15V FLAG 880 832 0 FLAG 1216 1120 0 FLAG 1280 448 LO+ IOPIN 1280 448 Out FLAG 1280 624 LO- IOPIN 1280 624 Out FLAG 1328 1008 HI IOPIN 1328 1008 Out FLAG 240 880 +15V FLAG 240 816 -15V FLAG 160 832 0 FLAG 496 1120 0 FLAG 592 1008 CF IOPIN 592 1008 Out FLAG -1472 256 0 FLAG -1536 144 Disp FLAG -1680 656 VCoil FLAG -2064 864 0 FLAG 560 -16 +15V FLAG 560 -80 -15V FLAG 480 -64 0 FLAG 768 176 0 FLAG 864 80 POSERR IOPIN 864 80 Out FLAG -2032 128 Vel IOPIN -2032 128 Out FLAG -1840 192 Force FLAG -1136 144 Vsensor FLAG -1840 752 CoilForce FLAG -576 128 LOOPOUT FLAG -400 128 LOOPIN SYMBOL cap -656 -192 R90 WINDOW 0 -29 27 VBottom 0 WINDOW 3 -30 23 VTop 0 SYMATTR InstName C1 SYMATTR Value 1.0µ SYMBOL cap -688 0 R90 WINDOW 0 -19 33 VBottom 0 WINDOW 3 -25 31 VTop 0 SYMATTR InstName C10 SYMATTR Value .001µF SYMBOL res -704 -192 R90 WINDOW 0 -30 58 VBottom 0 WINDOW 3 -30 54 VTop 0 SYMATTR InstName R4 SYMATTR Value 200k SYMBOL res -832 160 R0 WINDOW 3 42 65 Left 0 WINDOW 0 44 41 Left 0 SYMATTR Value 3.4k SYMATTR InstName R2 SYMBOL res -672 -96 R90 WINDOW 0 -28 55 VBottom 0 WINDOW 3 -29 50 VTop 0 SYMATTR InstName R3 SYMATTR Value 10meg SYMBOL res -976 128 R90 WINDOW 0 -29 47 VBottom 0 WINDOW 3 -29 48 VTop 0 SYMATTR InstName Rsrc SYMATTR Value 99.6k SYMBOL voltage -2064 752 R0 WINDOW 0 42 44 Left 0 WINDOW 3 42 74 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 24 110 Left 0 SYMATTR InstName V2 SYMATTR Value -15 SYMBOL voltage -2176 752 R0 WINDOW 0 39 46 Left 0 WINDOW 3 40 75 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 15 SYMBOL cap -928 144 R0 WINDOW 0 -11 -46 Left 0 WINDOW 3 -9 -20 Left 0 SYMATTR InstName C4 SYMATTR Value 4.7n SYMBOL voltage -2112 128 R0 WINDOW 0 -10 57 Left 0 WINDOW 3 24 96 Invisible 0 WINDOW 39 0 0 Left 0 SYMATTR InstName Vin SYMATTR Value SINE(0 1u 1 1m 1m 90) SYMATTR Value2 AC 1u 0 SYMBOL cap -240 640 M90 WINDOW 0 16 -8 VBottom 0 WINDOW 3 -11 94 VTop 0 SYMATTR InstName Cd SYMATTR Value 30.436µ SYMATTR SpiceLine Rpar=33G SYMBOL res -256 704 M90 WINDOW 0 13 -2 VBottom 0 WINDOW 3 -10 127 VTop 0 SYMATTR InstName Rp SYMATTR Value 180k SYMBOL res -640 480 M90 WINDOW 0 -36 46 VBottom 0 WINDOW 3 -35 47 VTop 0 SYMATTR InstName Ri SYMATTR Value 14.985K SYMBOL cap -224 368 M90 WINDOW 0 12 -2 VBottom 0 WINDOW 3 -13 95 VTop 0 SYMATTR InstName Ci SYMATTR Value 30.452µF SYMATTR SpiceLine Rpar=33G SYMBOL res -80 464 M90 WINDOW 0 -30 26 VBottom 0 WINDOW 3 -27 55 VTop 0 SYMATTR InstName R5 SYMATTR Value 4.7Meg SYMBOL res -240 144 M270 WINDOW 0 69 56 VTop 0 WINDOW 3 68 56 VBottom 0 SYMATTR InstName R9 SYMATTR Value 200K SYMBOL res 576 672 M270 WINDOW 0 18 130 VTop 0 WINDOW 3 46 -25 VBottom 0 SYMATTR InstName R27 SYMATTR Value 1Meg SYMBOL cap -80 -48 M270 WINDOW 0 16 82 VTop 0 WINDOW 3 44 -35 VBottom 0 SYMATTR InstName C11 SYMATTR Value .001µF SYMBOL res -1728 800 M0 WINDOW 0 -55 38 Left 0 WINDOW 3 -104 72 Left 0 SYMATTR InstName Rc SYMATTR Value ={Rcoil} SYMBOL ind -1792 160 R270 WINDOW 0 41 56 VTop 0 WINDOW 3 54 73 Invisible 0 SYMATTR InstName M1 SYMATTR Value =M1 SYMBOL cap -1552 176 M0 WINDOW 0 44 30 Left 0 WINDOW 3 44 53 Invisible 0 SYMATTR InstName 1/K SYMATTR Value ={1/K} SYMBOL res -1696 128 M90 WINDOW 0 -10 62 VBottom 0 WINDOW 3 -27 69 Invisible 0 SYMATTR InstName Z SYMATTR Value =Z SYMBOL bv -1840 800 R0 WINDOW 3 -118 167 Left 0 SYMATTR Value V=V(Vcoil)/Rcoil*Gn SYMATTR InstName Gn SYMBOL bv -1184 160 R0 WINDOW 0 24 16 Invisible 0 SYMATTR InstName B1 SYMATTR Value V=V(Disp_M)*rs SYMBOL bv -2112 416 R0 WINDOW 0 -18 150 Left 0 WINDOW 3 -18 181 Left 0 SYMATTR InstName B2 SYMATTR Value V=ddt(V(Vel)) SYMBOL Opamps\\LT1010 -48 176 M180 WINDOW 0 38 31 Left 0 WINDOW 3 38 1 Left 0 SYMATTR InstName U5 SYMBOL res -1216 672 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 1n SYMBOL res -48 16 M270 WINDOW 0 18 130 VTop 0 WINDOW 3 46 -25 VBottom 0 SYMATTR InstName R19 SYMATTR Value 200K SYMBOL res 304 544 M270 WINDOW 0 -39 55 VTop 0 WINDOW 3 -46 55 VBottom 0 SYMATTR InstName R23 SYMATTR Value 499K SYMBOL cap 544 736 M270 WINDOW 0 16 82 VTop 0 WINDOW 3 44 -35 VBottom 0 SYMATTR InstName C2 SYMATTR Value .001µF SYMBOL res 1008 448 M270 WINDOW 0 18 130 VTop 0 WINDOW 3 46 -25 VBottom 0 SYMATTR InstName R15 SYMATTR Value 100K SYMBOL res 800 320 M270 WINDOW 0 -39 55 VTop 0 WINDOW 3 -46 55 VBottom 0 SYMATTR InstName R14 SYMATTR Value 100K SYMBOL res 976 512 R0 SYMATTR InstName R8 SYMATTR Value 100 SYMBOL cap 976 640 R0 SYMATTR InstName C31 SYMATTR Value 10n SYMBOL res 1136 336 R0 SYMATTR InstName R16 SYMATTR Value 100 SYMBOL cap 1136 464 R0 SYMATTR InstName C15 SYMATTR Value 10n SYMBOL res 1024 1008 M270 WINDOW 0 18 130 VTop 0 WINDOW 3 46 -25 VBottom 0 SYMATTR InstName R18 SYMATTR Value 1Meg SYMBOL cap 992 1072 M270 WINDOW 0 16 82 VTop 0 WINDOW 3 44 -35 VBottom 0 SYMATTR InstName C9 SYMATTR Value .001µF SYMBOL res 752 672 R0 SYMATTR InstName R21 SYMATTR Value 20K SYMBOL res 1200 896 R0 SYMATTR InstName R17 SYMATTR Value 100 SYMBOL cap 1200 1024 R0 SYMATTR InstName C32 SYMATTR Value 10n SYMBOL res 304 1008 M270 WINDOW 0 18 130 VTop 0 WINDOW 3 46 -25 VBottom 0 SYMATTR InstName R22 SYMATTR Value 100K SYMBOL res 480 896 R0 SYMATTR InstName R25 SYMATTR Value 100 SYMBOL cap 480 1024 R0 SYMATTR InstName C25 SYMATTR Value 10n SYMBOL res 32 848 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL bv -1840 448 R180 WINDOW 0 -70 43 Left 0 WINDOW 3 -186 18 Left 0 SYMATTR InstName B4 SYMATTR Value V=M0*V(Accel) SYMBOL bv -1840 560 R180 WINDOW 0 -70 48 Left 0 WINDOW 3 -152 23 Left 0 SYMATTR InstName B5 SYMATTR Value V=Moff*9.8 SYMBOL bv -1472 144 R0 WINDOW 0 24 16 Invisible 0 SYMATTR InstName B6 SYMATTR Value V=V(Disp)/K SYMBOL res 624 128 M270 WINDOW 0 18 130 VTop 0 WINDOW 3 46 -25 VBottom 0 SYMATTR InstName R29 SYMATTR Value 1Meg SYMBOL res 752 -32 R0 SYMATTR InstName R12 SYMATTR Value 100 SYMBOL cap 752 96 R0 WINDOW 0 38 23 Left 0 WINDOW 3 37 56 Left 0 SYMATTR InstName C12 SYMATTR Value 10n SYMBOL res 368 96 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 100K SYMBOL cap 592 208 M270 WINDOW 0 16 82 VTop 0 WINDOW 3 44 -35 VBottom 0 SYMATTR InstName C14 SYMATTR Value 10n SYMBOL zener -192 -160 R270 WINDOW 0 36 32 VTop 0 WINDOW 3 -4 38 VBottom 0 SYMATTR InstName D1 SYMATTR Value BZX84C10L SYMATTR Description Diode SYMATTR Type diode SYMBOL zener -16 -192 R90 WINDOW 0 -4 32 VBottom 0 WINDOW 3 61 36 VTop 0 SYMATTR InstName D2 SYMATTR Value BZX84C10L SYMATTR Description Diode SYMATTR Type diode SYMBOL zener 880 1152 R270 WINDOW 0 36 32 VTop 0 WINDOW 3 -10 28 VBottom 0 SYMATTR InstName D3 SYMATTR Value BZX84C10L SYMATTR Description Diode SYMATTR Type diode SYMBOL zener 1056 1120 R90 WINDOW 0 -4 32 VBottom 0 WINDOW 3 42 2 VTop 0 SYMATTR InstName D4 SYMATTR Value BZX84C10L SYMATTR Description Diode SYMATTR Type diode SYMBOL Opamps\\opamp2 -704 64 R0 WINDOW 0 30 87 Left 0 WINDOW 3 31 118 Left 0 SYMATTR InstName U1A SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL Opamps\\opamp2 -192 432 M0 WINDOW 0 -144 78 Left 0 WINDOW 3 -177 107 Left 0 SYMATTR InstName U1B SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL Opamps\\opamp2 944 352 M180 WINDOW 0 25 38 Left 0 WINDOW 3 24 14 Left 0 SYMATTR InstName U9B SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL Opamps\\opamp2 -144 176 M180 WINDOW 0 -88 25 Left 0 WINDOW 3 -128 -6 Left 0 SYMATTR InstName U4B SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL Opamps\\opamp2 512 576 M180 WINDOW 0 33 115 Left 0 WINDOW 3 32 91 Left 0 SYMATTR InstName U2A SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL Opamps\\opamp2 240 912 M180 WINDOW 0 34 33 Left 0 WINDOW 3 36 7 Left 0 SYMATTR InstName U9A SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL Opamps\\opamp2 960 912 M180 WINDOW 0 36 44 Left 0 WINDOW 3 37 18 Left 0 SYMATTR InstName U2B SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL Opamps\\opamp2 560 16 M180 WINDOW 0 24 33 Left 0 WINDOW 3 24 8 Left 0 SYMATTR InstName U4A SYMATTR Value AD706A SYMATTR SpiceModel AD706A SYMBOL voltage -432 128 R90 WINDOW 0 53 32 VRight 0 WINDOW 3 24 96 Invisible 0 WINDOW 39 0 0 Left 0 SYMATTR InstName Vosc SYMATTR Value SINE(0 1n 1n 0 0 0) SYMATTR Value2 AC 0 0 SYMBOL ind -1760 688 R0 SYMATTR InstName Lleak SYMATTR Value ={Lleak} TEXT -728 -296 Center 0 ;Gain &\n Inverse Filter TEXT 120 -72 Left 0 ;FEEDBACK\n LOOP\n OUTPUT TEXT -1048 8 Center 0 ;DISPLACEMENT SENSOR TEXT -112 328 Right 0 ;INTEGRATOR TEXT -72 616 Right 0 ;DERIVATIVE BRANCH TEXT -184 760 Center 0 ;PROPORTIONAL\nBRANCH TEXT -192 -240 Left 0 ;Inverter / Buffer TEXT -1816 600 Left 0 ;ACTUATOR TEXT -40 288 Right 0 ;FEEDBACK SIGNAL PATH TEXT -240 -288 Left 0 ;FORWARD SIGNAL PATH TEXT -1456 832 Left 0 !;noise V(Out1) Vin dec 100 1mhz 100hz TEXT -2016 -208 Left 0 ;Voltage - V = Force - N\nCurrent - A = Velocity - m/s\nCharge - Coul. = Displacement - m.\nResistance - Ohms = Damp. Coeff. - Ns/m\nInductance - Hy = Mass - Kg\nCapacitance - Fd = Compliance - m/N TEXT -1440 8 Right 0 ;SPRING - MASS TEXT -1344 -144 Left 0 !.param Gn = 9.27 TEXT -1344 -168 Left 0 !.param M1 = 0.0875 TEXT -1344 -216 Left 0 !.param rs= 1380 TEXT -1456 856 Left 0 !;tran 100 TEXT -1344 -240 Left 0 !.param K=1.201 TEXT -1456 888 Left 0 !.lib ad706a.cir TEXT -1456 808 Left 0 !.ac dec 20 1m 1k TEXT -1456 912 Left 0 !;.lib ad706.cir TEXT -1112 -216 Left 0 ;V/m TEXT -1112 -240 Left 0 ;N/m (estimated) TEXT -1112 -168 Left 0 ;Kg (estimated) TEXT -1112 -144 Left 0 ;N/A TEXT -1800 376 Left 0 ;Force due to ground motion = ma TEXT -1480 72 Left 0 ;Displacement, Q=CV TEXT -1816 -296 Center 0 ;MECHANICAL ANALOG\nRELATIONSHIPS TEXT -1152 -296 Center 0 ;YUMA2 PARAMETERS TEXT -112 328 Right 0 ;INTEGRATOR TEXT 544 392 Right 0 ;GAIN -2 TEXT 1096 240 Right 0 ;GAIN -1 TEXT 1136 800 Right 0 ;GAIN -50 TEXT 416 800 Right 0 ;GAIN -1 TEXT 432 -216 Left 0 ;OUTPUT AMPLIFIERS TEXT 344 736 Right 0 ;CENTERING FORCE TEXT -1800 488 Left 0 ;Force due to mass imbalance TEXT -1344 -48 Left 0 !.param Moff=35e-6 TEXT -1112 -48 Left 0 ;Kg - Mass imbalance TEXT -2184 48 Left 0 ;GROUND VELOCITY TEXT -2144 80 Left 0 ;1 V = 1 m/s TEXT -1344 -120 Left 0 !.param Z=0.15 TEXT -1112 -120 Left 0 ;N/m/s TEXT -1112 -96 Left 0 ;Ohms TEXT -2168 336 Left 0 ;GROUND ACCEL TEXT -2152 368 Left 0 ;1 V = 1 m/s^2 TEXT -1456 1072 Left 0 ;bk - Convergence problem if negative rail is connected as positive voltage to GND. TEXT 736 -96 Right 0 ;GAIN -10 TEXT 624 -160 Right 0 ;POS ERR TEXT -1344 -192 Left 0 !.param M0 = 0.0875 TEXT -1112 -168 Left 0 ;Kg (estimated) TEXT -1112 -192 Left 0 ;Kg TEXT -1424 104 Left 0 ;1 V = 1 m TEXT -1456 944 Left 0 !.options gmin=2e-10 TEXT -1456 976 Left 0 !.options abstol=1e-10 TEXT -1456 1008 Left 0 !.options reltol=0.003 TEXT -1456 1040 Left 0 !.options cshunt=1e-15 TEXT -1184 944 Left 0 ;Workaround convergence problems with AD706A model TEXT -728 -296 Center 0 ;Gain &\n Inverse Filter TEXT -552 224 Left 0 ;For loop gain\ntesting only TEXT -1456 1072 Left 0 ;bk - Convergence problem if negative rail is connected as positive voltage to GND. TEXT -1456 1104 Left 0 ;For loop gain testing, set Vin AC=0, and Vosc AC=1. TEXT -1344 -96 Left 0 !.param Rcoil=41 TEXT -1344 -72 Left 0 !.param Lleak=3m TEXT -1112 -96 Left 0 ;Ohms TEXT -1112 -72 Left 0 ;Henries - leakage (est) TEXT -1448 280 Left 0 ;POS: Boom up TEXT 592 1048 Left 0 ;POS: pushing TEXT 592 1080 Left 0 ;boom down TEXT 896 -256 Left 0 ;Ground moves up TEXT 896 -232 Left 0 ;Boom moves down TEXT 896 -208 Left 0 ;U1A-1 - TEXT 896 -184 Left 0 ;U5-3 + TEXT 896 -136 Left 0 ;Vactuator + TEXT 896 -112 Left 0 ;Coil force on boom up TEXT 896 -160 Left 0 ;U2A-2 + TEXT 896 -88 Left 0 ;Hi + Out + TEXT 896 -64 Left 0 ;Lo+ Out + TEXT 432 -216 Left 0 ;OUTPUT AMPLIFIERS TEXT 880 -288 Left 0 ;POLARITIES TEXT -1072 192 Left 0 ;340 Hz pole TEXT -408 1120 Left 0 ;Best match to loop gain measurements:\nRs=1380, M1=0.0875, Gn=9.27, Rcoil=41, Lleak=3m RECTANGLE Normal -1248 320 -1808 32 2 RECTANGLE Normal -1600 1008 -1968 624 2 RECTANGLE Normal -864 320 -1232 32 2