244 lines
5.6 KiB
Plaintext
244 lines
5.6 KiB
Plaintext
* Copyright (c) 1998-2021 Analog Devices, Inc. All rights reserved.
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*
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.subckt MAX4231 1 2 3 4 5 6
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* CM / DM Input Parameters
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C2 1 4 8.00P
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C3 2 4 8.00P
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R19 1 4 1.00G
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R20 2 4 1.00G
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R21 1 2 1.00E12
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C13 1 2 1.00E-15
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* Differential Stage
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GIVR 0 IVR 14 0 1m
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RIVR 0 IVR 1k Noiseless
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CIVR IVR 0 1.59f
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BCMPI 0 CMpi I=1m*(V(3)+{Vcm_max})
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RCMPI CMpi 0 1k Noiseless
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CCMPI CMpi 0 1n
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BCMNI 0 CMni I=1m*(V(4)+{Vcm_min})
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RCMNI CMni 0 1k Noiseless
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CCMNI CMni 0 1n
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GCMP 0 CMp CMpi 0 1k
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RCMP 0 CMp 1m Noiseless
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GCMN 0 CMn CMni 0 1k
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RCMN 0 CMn 1m Noiseless
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DIP CMp IVR DI
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DIN IVR CMn DI
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CIN IVR CMn 1f
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CIP IVR CMp 1f
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* Noise Stage
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I2 21 20 100
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D1 20 0 DN1
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D2 0 21 DN1
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I3 22 23 1N
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R10 22 0 1k
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R11 0 23 1k
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B_E1 71 14 I=(1.04M) + V(20) * 1.74 + V(21) * 1.74 + V(22) * 1.74 + V(23) * 1.74
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R_E1 71 14 1 Noiseless
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I8 0 70 DC 1
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R22 0 70 1 TC=2.00U
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B_E5 1 71 I=V(70)-1
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R_E5 1 71 1 Noiseless
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EG1 VIBIAS 0 62 0 1
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EG2 VIBIOS 0 63 0 1
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EB1 VIB1 0 VALUE { (V(VIBIAS)+V(VIBIOS)) /2 }
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EB2 VIB2 0 VALUE { (V(VIBIAS)-V(VIBIOS)) /2 }
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GB1 1 0 VIB1 0 1u
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GB2 2 0 VIB2 0 1u
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I6 0 62 DC 1uA
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VIB200 62A 62 DC 0.00
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R17 0 62A REXP 1.09904
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I7 0 63 DC 1uA
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V100 63A 63 DC 0
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R18 0 63A 50.0 TC=0.00,0.00
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R16 0 61 1 TC=2.36M,-5.20U
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G61 3 4 61 0 1
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G60 0 61 TABLE { V(3, 4) } ((0, 0)(1.00,1.1E-15)(2.00,400U)(2.5,950U)(3.00,1.09M)(3.5,1.1M)(4.00,1.12M)
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+ (4.5,1.15M)(5.00,1.18M)(5.5,1.22M))
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* PSRR / CMRR
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G30 0 110 3 0 44.6U
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R30 110 0 1G
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GR30 110 0 110 0 1m
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C30 110 0 1.59U
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G31 0 111 110 0 1
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L31 111 112 353U
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GRL31 111 112 111 112 4.49U
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R32 112 0 1G
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GR32 112 0 112 0 1
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G33 0 114 111 0 1
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R34 114 0 1G
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C34 114 0 39.7U
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GR34 114 0 114 0 1
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G35 0 115 114 0 1
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L35 115 116 13.2U
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GRL35 115 116 115 116 119U
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R36 116 0 1G
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GR36 116 0 116 0 1
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G37 0 117 115 0 1
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R37 117 0 1G
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C37 117 0 159E-15
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GR37 117 0 117 0 1
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G38 0 118 117 0 1
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L38 118 119 31.8N
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GRL38 118 119 118 119 49.9M
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R39 119 0 1G
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GR39 119 0 119 0 1
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G40 0 120 4 0 44.6U
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R40 120 0 1G
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GR40 120 0 120 0 1m
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C40 120 0 1.59U
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G41 0 121 120 0 1
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L41 121 122 353U
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GRL41 121 122 121 122 4.49U
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R42 122 0 1G
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GR42 122 0 122 0 1
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G43 0 124 121 0 1
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R44 124 0 1G
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C44 124 0 39.7U
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GR44 124 0 124 0 1
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G45 0 125 124 0 1
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L45 125 126 13.2U
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GRL45 125 126 125 126 119U
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R46 126 0 1G
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GR46 126 0 126 0 1
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G147 0 127 125 0 1
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R47 127 0 1G
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C47 127 0 159E-15
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GR47 127 0 127 0 1
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G48 0 128 127 0 1
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L48 128 129 31.8N
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GRL48 128 129 128 129 49.9M
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R49 129 0 1G
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GR49 129 0 129 0 1
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G50 0 130 VALUE { ( V(1)+V(2))/2 * 316U}
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R50 130 0 1G
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GR50 130 0 130 0 1m
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C50 130 0 1.59U
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G51 0 131 130 0 1
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L51 131 132 51.3U
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GRL51 131 132 131 132 30.9U
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R51 132 0 1G
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GR51 132 0 132 0 1
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G53 0 133 131 0 1
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R53 133 0 1G
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C53 133 0 1.06U
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GR53 133 0 133 0 1
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G55 0 134 133 0 1
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L55 134 135 1.59N
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GRL55 134 135 134 135 999M
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R55 135 0 1G
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GR55 135 0 135 0 1
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G57 0 137 134 0 1
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R57 137 0 1G
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C57 137 0 1.59N
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GR57 137 0 137 0 1
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* OP Amp Output Gain / Response
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G3A 0 30A IVR 2 1
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RG3A 30A 0 1
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G3 0 30 30A 0 1
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R3 30 0 1.00K
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G6 0 33 30 0 1m
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R6 33 0 1K
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R7 34 0 1K
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C7 34 0 {Cfp1}
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BSR 0 34 I=Uplim(Dnlim(V(33)*113m, {Isink},1m),{Isrc},1m)
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C_30 30 0 1f
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C_33 33 0 1f
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G8 0 37 34 0 1m
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R8 37 0 1K
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C8 37 0 2.27P
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G9 0 38 37 0 1m
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R9 39 0 1K
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L9 38 39 15.9N
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GRL9 38 39 38 39 100M
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B_E9 0 35 I={1/Zo_dc}*V(38)+V(118)+V(128)+V(137)
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R_E9 0 35 {Zo_dc} Noiseless
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* Output Impedance / Saturation / Current Limit
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B1 0 N001 I=Uplim(Dnlim({G1_Zo}* V(35,57), {Izon}, 25m), {Izop}, 25m)
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R_B1 N001 0 1 Noiseless
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RX 57 N001 {Rx_Zo} Noiseless
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RDUMMY 57 0 {Rdummy_Zo} Noiseless
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R23 50 0 100MEG
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VR15 57 96 0
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R15X 57 96 1G
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F1 0 50 VR15 1
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E3 55 0 VALUE { 0.00 + V(3) * 1 + V(51) * -12.3M }
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E4 56 0 VALUE { 0.00 + V(4) * 1 + V(52) * -13.2M }
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R12 51 0 1k
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R13 52 0 1k
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GD12 50 51 VALUE={( IF( (V(50,51))>0,V(50,51)/0.002,V(50,51)/1E9 ) ) }
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GD13 50 52 VALUE={( IF( (V(50,52))>0,V(50,52)/1E9,V(50,52)/0.002 ) ) }
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G21 3 0 VALUE { 0 + V(51) * 1M }
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G22 0 4 VALUE { 0 + V(52) * -1M }
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R_96_5 96 5 1m
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V1000 1000A 0 800M
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S1000 1003 0 1001 1000A SSHUT
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S1000X 30A 4X 1004 0 SSHUT2
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V1000X 0 4X 145
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V1001 1002 0 1
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S1001 5X 5 1004 0 SOUT
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C_S1001 5X 5 .1P
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S1002 61 0 1004 0 SCAP
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C1000 1004 0 100n IC=0
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R1000A 1004 0 1G
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E1000 1001 0 6 4 1
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SD1002 1004 1002 1004 1002 SDIODE
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SD1003 0 1004 0 1004 SDIODE
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G1000 1004 0 1002 1003 22.7M
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G1001 0 1004 1003 0 83.3M
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R1000 6 4 2.5MEG
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R1001 1002 1003 1k
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S_D4 3 5 5 3 ESDO
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S_D3 5 4 4 5 ESDO
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DOP Vsatp 57 DO
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COP 57 Vsatp 1f
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DON 57 Vsatn DO
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CON 57 Vsatn 1f
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GSATP 0 Vsatp 55 0 1k
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RSATP Vsatp 0 1m
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GSATN 0 Vsatn 56 0 1k
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RSATN Vsatn 0 1m
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CSATP Vsatp 0 1n
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CSATN Vsatn 0 1n
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DGP N007 34 DG
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DGN 34 N008 DG
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GRP 0 N007 GRpi 0 1k
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GRN 0 N008 GRni 0 1k
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RRP N007 0 1m Noiseless
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RRN N008 0 1m Noiseless
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RGRP GRpi 0 1k Noiseless
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RGRN GRni 0 1k Noiseless
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CGRN GRni 0 10p
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CGRP GRpi 0 10p
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CGP 34 N007 1f
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CGN 34 N008 1f
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BGRP 0 GRpi I=1m*({Zo_max}* {Iscp}+V(3)+37.5+{GRlim})
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BGRN 0 GRni I=1m*({Zo_max}* {Iscn}+V(4)-37.5-{GRlim})
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* Models
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.MODEL ESDO SW (Ron=50 Roff=1G Vt=0.5 Vh=-0.1 Vser=0.6 Ilimit=4m Lser=1n Noiseless)
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.MODEL SSHUT SW RON=1m ROFF=100MEG VT=0 VH=-10m
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.MODEL SSHUT2 SW RON=1m ROFF=1G VT=500m VH=-5m
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.MODEL SOUT SW RON=1G ROFF=1m VT=500m VH=-5m
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.MODEL SCAP SW RON=909u ROFF=1G VT=500m VH=-5m
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.MODEL SDIODE SW RON=10m ROFF=1G VT=0 VH=-5m
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.MODEL DG D(Vfwd=10k Vrev=0 Revepsilon=0.5 Noiseless Ron=1m)
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.MODEL DO D(Vfwd=1k Vrev=0 Revepsilon=0.1 Ron=1m Noiseless)
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.MODEL DN1 D IS=1P KF=3.7N AF=1
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.MODEL REXP RES TCE= 4.74559
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.MODEL DIDL2 D()
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.MODEL DI D(Vfwd=1k Vrev=0 Revepsilon=0.1 Noiseless)
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.param GRlim=140
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.param Vcm_min=0 Vcm_max=0
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.param Zo_dc=100
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.param Cfp1=1.59u
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.param SRp=10 SRn=-10
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.param Isrc = {Cfp1 * SRp * 1Meg} Isink = {Cfp1 * SRn * 1Meg}
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.param beta_Zo=1.13
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.param Rx_Zo = {100 * Zo_max}
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.param Rdummy_Zo = {10 * Zo_max}
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.param G1_Zo={Rx_Zo/(Zo_dc*beta_Zo)}
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.param Zo_max={Zo_dc}
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.param Iscp=200m Iscn=-200m
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.param IZop={Rx_Zo*Iscp} IZon={Rx_Zo*Iscn}
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*
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.ENDS MAX4231 |