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534 lines
12 KiB
534 lines
12 KiB
7 years ago
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* ADA4530 Macro-model
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* Function: Operational Amplifier
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*
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* Revision History:
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* Rev 0 Oct 2015: ZF/VW
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* Tested by PN at Vsy=+/-5V
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* Copyright 2015 by Analog Devices
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*
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* Refer to http://www.analog.com/Analog_Root/static/techSupport/designTools/spicemodels/license
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* for License Statement. Use of this model indicates your acceptance
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* of the terms and provisions in the License Staement.
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*
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* Guard output pins GRD1, GRD2 should be left unconnected for simulation purpose.
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* DNC pin should be left unconnected for simulation purpose.
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* Tested on MultSIm, SiMetrix(NGSpice), PSpice.
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*
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* Not modeled: Distortion, PSRR, Overload Recovery,
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* Shutdown Turn On/Turn Off time.
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*
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* Parameters (typical values) modeled include:
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* Vos, Ibias, Input CM limits and Typ output voltge swing,
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* Open Loop Gain & Phase, Slew Rate, Output current limits, Voltage & Current Noise,
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* Capacitive load drive, supply currents, supply functionality.
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*
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* Not simulated/implemented - performance over temp
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* Parameter variations with supply are not modeled
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*
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* CAUTION!!
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* To aid in convergence, most Spice simulators add a
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* conductance on every node to insure that no node is floating.
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* This is GMIN, and the default value is usually 1E-12. To properly
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* simulate the low input bias current and low current noise, the
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* Spice simulator options have to be set to the following:
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* GMIN=1E-16
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* ABSTOL=1E-16
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* RSHUNT=1E16 (Multisim)
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*
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* When using model in Multisim, comment out the first .ends ADA4530 statement
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* and uncomment the second .ends ADA4530 statement.
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*
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* In some simulations, number of iterations (ITL1) may have to be increased to aid convergence.
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*
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*
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*
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* Node Assignments
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* Non-Inverting Input
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* | Inverting Input
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* | | Positive supply
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* | | | Negative supply
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* | | | | Output
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* | | | | | GRD1
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* | | | | | | GRD2
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* | | | | | | |
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.Subckt ADA4530 N100 N101 N102 N103 N104 N105 N106
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*
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X1 N100 N101 N102 N103 1 Amplifier
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X2 N100 2 N102 N103 3 Buffer
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R1 1 N104 Rideal 20
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R2 2 3 Rideal 1e-6
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R3 3 4 Rideal 1e3
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R4 4 N105 Rideal 1e-6
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R5 4 N106 Rideal 1e-6
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R6 N105 0 Rideal 1e9
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R7 N106 0 Rideal 1e9
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.model Rideal res(T_ABS=-273)
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*
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.ends ada4530
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*
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*
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**********************************************
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.Subckt Amplifier 100 101 102 103 104
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**********************************************
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***Power Supplies***
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Rz 102 1020 Rideal 10
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DzPS 98 1020 diode
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S1 98 103 106 113 Switch
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R1 1020 99 Rideal 1e7
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R2 99 103 Rideal 1e7
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e1 111 110 1020 110 1
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e2 110 112 110 103 1
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e3 110 0 99 0 1
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*
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*
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***Inputs***
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VOS 100 2 dc 8e-6
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IbiasP 110 2 dc 1e-15
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IbiasN 110 101 dc 1e-15
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*RinCMP 110 2 Rideal 100e12
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*RinCMN 9 110 Rideal 100e12
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CinCMP 110 2 2.4e-12
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CinCMN 101 110 2.4e-12
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IOS 101 2 1e-15
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*RinDiff 9 2 Rideal 100e12
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CinDiff 101 2 0.6e-12
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EVN 9 0 101 0 1
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*
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*
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***Non-Inverting Input with Clamp***
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g1 3 110 110 2 0.001
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RInP 3 110 Rideal 1e3
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RX1 40 3 Rideal 1
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DInP 40 41 diode
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DInN 42 40 diode
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VinP 111 41 dc 1.96
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VinN 42 112 dc 0.46
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*
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*
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***Vnoise***
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hVn 6 5 Vmeas1 707.10678
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Vmeas1 20 110 DC 0
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Vvn 21 110 dc 0.65
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Dvn 21 20 DVnoisy
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hVn1 6 7 Vmeas2 707.10678
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Vmeas2 22 110 dc 0
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Vvn1 23 110 dc 0.65
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Dvn1 23 22 DVnoisy
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*
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*
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***Inoise***
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FnIN 9 110 Vmeas3 0.7071068
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Vmeas3 51 110 dc 0
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VnIN 50 110 dc 0.65
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DnIN 50 51 DINnoisy
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FnIN1 110 9 Vmeas4 0.7071068
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Vmeas4 53 110 dc 0
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VnIN1 52 110 dc 0.65
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DnIN1 52 53 DINnoisy
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*
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FnIP 2 110 Vmeas5 0.7071068
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Vmeas5 31 110 dc 0
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VnIP 30 110 dc 0.65
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DnIP 30 31 DIPnoisy
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FnIP1 110 2 Vmeas6 0.7071068
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Vmeas6 33 110 dc 0
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VnIP1 32 110 dc 0.65
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DnIP1 32 33 DIPnoisy
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*
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*
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***CMRR***
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RcmrrP 3 10 Rideal 1e12
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RcmrrN 10 9 Rideal 1e12
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g10 11 110 10 110 -9e-8
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Lcmrr 11 12 1e-12
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Rcmrr 12 110 Rideal 1e3
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e4 5 3 11 110 1
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*
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*
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***Power Down***
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VPD 111 80 dc 0.8
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VPD1 81 0 dc 0.1
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RPD 111 106 Rideal 1e6
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ePD 80 113 82 0 1
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RDP1 82 0 Rideal 1e3
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CPD 82 0 1e-10
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S5 81 82 83 113 Switch
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CDP1 83 0 1e-12
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RPD2 106 83 1e6
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*
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*
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***Gain Split***
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g200 200 110 7 9 1
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R200 200 110 Rideal 1e5
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*
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*
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***Dominant Pole at 0.14 Hz***
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g210 210 110 Value={limit(V(200,110)*1.242e-5,.1413,-.1413)}
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R210 210 110 Rideal 1.137e7
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C210 210 110 1e-7
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*
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*
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***Output Voltage Clamp-1***
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RX2 60 210 Rideal 0.001
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DzVoutP 61 60 DzVoutP
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DzVoutN 60 62 DzVoutN
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DVoutP 61 63 diode
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DVoutN 64 62 diode
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VoutP 65 63 dc 5.03
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VoutN 64 66 dc 5.015
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e60 65 110 111 110 1.014
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e61 66 110 112 110 1.114
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*
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*
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***Pole at 17MHz***
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g220 220 110 210 110 0.001
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R220 220 110 Rideal 1000
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C220 220 110 9.362e-12
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*
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***Pole at 40MHz***
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g230 230 110 220 110 0.001
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R230 230 110 Rideal 1000
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C230 230 110 3.9789e-12
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*
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***Pole at 40MHz***
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g240 240 110 230 110 0.001
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R240 240 110 Rideal 1000
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C240 240 110 3.9789e-12
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*
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***Pole at 45MHz***
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g245 245 110 240 110 0.001
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R245 245 110 Rideal 1000
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C245 245 110 3.5368e-12
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*
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***Pole at 45MHz***
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g250 250 110 245 110 0.001
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R250 250 110 Rideal 1000
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C250 250 110 3.5368e-12
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*
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***Pole at 45MHz***
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g255 255 110 250 110 0.001
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R255 255 110 Rideal 1000
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C255 255 110 3.5368e-12
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*
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***Pole at 50MHz***
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g260 260 110 255 110 0.001
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R260 260 110 Rideal 1000
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C260 260 110 3.1831e-12
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*
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***Pole at 50MHz***
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g265 265 110 260 110 0.001
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R265 265 110 Rideal 1000
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C265 265 110 3.1831e-12
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*
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***Pole at 50MHz***
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g270 270 110 265 110 0.001
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R270 270 110 Rideal 1000
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C270 270 110 3.1831e-12
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*
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***Notch: f=12MHz, Zeta=0.7, Gain=2.5dB***
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e280 280 110 270 110 1
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L280 285 281 378.78e-9
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C280 281 282 464.398e-12
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R281 282 110 Rideal 29.983
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R280 280 285 Rideal 10
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*
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***Peak: f=9MHz, Zeta=1, Gain=2.7dB***
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e290 290 110 285 110 1
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L290 290 291 88.419e-9
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C290 291 292 3536.773e-12
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R291 292 110 Rideal 27.429
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e295 295 110 292 110 1.3646
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R290 290 292 Rideal 10
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*
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*
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***Output Stage***
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g300 300 110 295 110 0.001
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R300 300 110 Rideal 1000
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e301 301 110 300 110 1
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Rout 302 303 Rideal 90
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Lout 303 310 3700e-9
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Cout 310 110 16e-12
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*
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*
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***Output Current Limit***
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H1 301 304 Vsense1 100
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Vsense1 301 302 dc 0
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VIoutP 305 304 dc 0.836
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VIoutN 304 306 dc 2.336
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DIoutP 307 305 diode
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DIoutN 306 307 diode
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Rx3 307 300 Rideal 100
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*
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*
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***Output Clamp-2***
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VoutP1 111 73 dc 0.7
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VoutN1 74 112 dc 0.7102
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DVoutP1 75 73 diode
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DVoutN1 74 75 diode
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RX4 75 310 Rideal 0.001
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*
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*
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***Supply Currents***
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FIoVcc 314 110 Vmeas8 1
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Vmeas8 310 311 dc 0
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R314 110 314 Rideal 1e9
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DzOVcc 110 314 diode
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DOVcc 102 314 diode
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RX5 311 312 Rideal 0.001
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FIoVee 315 110 Vmeas9 1
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Vmeas9 312 313 dc 0
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R315 315 110 Rideal 1e9
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DzOVee 315 110 diode
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DOVee 315 103 diode
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*
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*
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***Output Switch***
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S4 104 313 106 113 Switch
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*
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*
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*** Common Models ***
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.model diode d(bv=100)
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.model Switch vswitch(Von=0.15,Voff=0.05,ron=10,roff=1e6)
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.model DzVoutP D(BV=4.3)
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.model DzVoutN D(BV=4.3)
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.model DzSlewP D(BV=13.546)
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.model DzSlewN D(BV=13.546)
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.model DVnoisy D(IS=7.28e-15 KF=8.83e-17)
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.model DINnoisy D(IS=1.87e-25 KF=0)
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.model DIPnoisy D(IS=1.87e-25 KF=0)
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.model Rideal res(T_ABS=-273)
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*
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.ends Amplifier
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*
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*
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**********************************************
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.Subckt Buffer 100 101 102 103 104
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**********************************************
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***Power Supplies***
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Rz1 102 1020 Rideal 10
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Rz2 103 1030 Rideal 10
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R3 96 0 Rideal 1e3
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S6 97 96 1020 1030 Sswitch
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V2 97 0 dc 2
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gBias 1020 1030 96 0 0.09e-3
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DzPS 98 1020 diode
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gQuies 1020 98 96 0 0.81e-3
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S1 98 1030 106 113 Switch
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R1 1020 99 Rideal 1e7
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R2 99 1030 Rideal 1e7
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e1 111 110 1020 110 1
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e2 110 112 110 1030 1
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e3 110 0 99 0 1
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*
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*
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***Inputs***
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S2 1 100 106 113 Switch
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S3 9 101 106 113 Switch
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VOS 1 2 dc 0
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*IbiasP 110 2 dc 0
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*IbiasN 110 9 dc 0
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*RinCMP 110 2 Rideal 100e12
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*RinCMN 9 110 Rideal 100e12
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CinCMP 110 2 1e-15
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CinCMN 9 110 1e-15
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*IOS 9 2 0
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*RinDiff 9 2 Rideal 100e12
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CinDiff 9 2 1e-15
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*
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*
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***Non-Inverting Input with Clamp***
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g1 3 110 110 2 0.001
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RInP 3 110 Rideal 1e3
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RX1 40 3 Rideal 1
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DInP 40 41 diode
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DInN 42 40 diode
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VinP 111 41 dc 1.96
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VinN 42 112 dc 0.56
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*
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*
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***Vnoise***
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hVn 6 5 Vmeas1 707.10678
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Vmeas1 20 110 DC 0
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Vvn 21 110 dc 0.65
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Dvn 21 20 DVnoisy
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hVn1 6 7 Vmeas2 707.10678
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Vmeas2 22 110 dc 0
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Vvn1 23 110 dc 0.65
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Dvn1 23 22 DVnoisy
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*
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*
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***Inoise***
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FnIN 9 110 Vmeas3 0.7071068
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Vmeas3 51 110 dc 0
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VnIN 50 110 dc 0.65
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DnIN 50 51 DINnoisy
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FnIN1 110 9 Vmeas4 0.7071068
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Vmeas4 53 110 dc 0
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VnIN1 52 110 dc 0.65
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DnIN1 52 53 DINnoisy
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*
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FnIP 2 110 Vmeas5 0.7071068
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Vmeas5 31 110 dc 0
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VnIP 30 110 dc 0.65
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DnIP 30 31 DIPnoisy
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FnIP1 110 2 Vmeas6 0.7071068
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Vmeas6 33 110 dc 0
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VnIP1 32 110 dc 0.65
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DnIP1 32 33 DIPnoisy
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*
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*
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***CMRR***
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RcmrrP 3 10 Rideal 1e12
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RcmrrN 10 9 Rideal 1e12
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g10 11 110 10 110 -1e-10
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Lcmrr 11 12 1e-12
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Rcmrr 12 110 Rideal 1e3
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e4 5 3 11 110 1
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*
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*
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***Power Down***
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VPD 111 80 dc 1
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VPD1 81 0 dc 0.2
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RPD 111 106 Rideal 1e6
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ePD 80 113 82 0 1
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RDP1 82 0 Rideal 1e3
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CPD 82 0 1e-10
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S5 81 82 83 113 Switch
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CDP1 83 0 1e-12
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RPD2 106 83 1e6
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*
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*
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***Gain Split***
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g200 200 110 7 9 1
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R200 200 110 Rideal 1e5
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*
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*
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***Dominant Pole at 0.7 Hz***
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g210 210 110 Value={limit(V(200,110)*1.39e-5,.1403,-.1403)}
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R210 210 110 Rideal 2.275e6
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C210 210 110 1e-7
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*
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*
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***Output Voltage Clamp-1***
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RX2 60 210 Rideal 0.001
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DzVoutP 61 60 DzVoutP
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DzVoutN 60 62 DzVoutN
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DVoutP 61 63 diode
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DVoutN 64 62 diode
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VoutP 65 63 dc 6.5
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VoutN 64 66 dc 5.1
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e60 65 110 111 110 1.0024
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e61 66 110 112 110 1.0024
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*
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*
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***Pole at 11MHz***
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g220 220 110 210 110 0.001
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R220 220 110 Rideal 1000
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C220 220 110 14.4686e-12
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*
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***Pole at 14MHz***
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g230 230 110 220 110 0.001
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R230 230 110 Rideal 1000
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C230 230 110 11.3682e-12
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*
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|
***Buffer***
|
||
|
g240 240 110 230 110 0.001
|
||
|
R240 240 110 Rideal 1000
|
||
|
*
|
||
|
***Buffer***
|
||
|
g245 245 110 240 110 0.001
|
||
|
R245 245 110 Rideal 1000
|
||
|
*
|
||
|
***Buffer***
|
||
|
g250 250 110 245 110 0.001
|
||
|
R250 250 110 Rideal 1000
|
||
|
*
|
||
|
***Buffer***
|
||
|
g255 255 110 250 110 0.001
|
||
|
R255 255 110 Rideal 1000
|
||
|
*
|
||
|
***Buffer***
|
||
|
g260 260 110 255 110 0.001
|
||
|
R260 260 110 Rideal 1000
|
||
|
*
|
||
|
***Buffer***
|
||
|
g265 265 110 260 110 0.001
|
||
|
R265 265 110 Rideal 1000
|
||
|
*
|
||
|
***Buffer***
|
||
|
g270 270 110 265 110 0.001
|
||
|
R270 270 110 Rideal 1000
|
||
|
*
|
||
|
***Buffer***
|
||
|
R281 285 110 Rideal 1E6
|
||
|
R280 280 285 Rideal 100
|
||
|
e280 280 110 270 110 1
|
||
|
*
|
||
|
***Peak: f=3.5MHz, Zeta=0.7, Gain=2.4dB***
|
||
|
e290 290 110 285 110 1
|
||
|
L290 290 291 324.806e-9
|
||
|
C290 291 292 6366.191e-12
|
||
|
R291 292 110 Rideal 31.421
|
||
|
e295 295 110 292 110 1.3183
|
||
|
R290 290 292 Rideal 10
|
||
|
*
|
||
|
*
|
||
|
***Output Stage***
|
||
|
g300 300 110 295 110 0.001
|
||
|
R300 300 110 Rideal 1000
|
||
|
e301 301 110 300 110 1
|
||
|
Rout 302 303 Rideal 90
|
||
|
Lout 303 310 3700e-9
|
||
|
Cout 310 110 16e-12
|
||
|
*
|
||
|
*
|
||
|
***Output Current Limit***
|
||
|
H1 301 304 Vsense1 100
|
||
|
Vsense1 301 302 dc 0
|
||
|
VIoutP 305 304 dc 0.836
|
||
|
VIoutN 304 306 dc 2.336
|
||
|
DIoutP 307 305 diode
|
||
|
DIoutN 306 307 diode
|
||
|
Rx3 307 300 Rideal 0.001
|
||
|
*
|
||
|
*
|
||
|
***Output Clamp-2***
|
||
|
VoutP1 111 73 dc 2.185
|
||
|
VoutN1 74 112 dc 0.785
|
||
|
DVoutP1 75 73 diode
|
||
|
DVoutN1 74 75 diode
|
||
|
RX4 75 310 Rideal 0.001
|
||
|
*
|
||
|
*
|
||
|
***Supply Currents***
|
||
|
FIoVcc 314 110 Vmeas8 1
|
||
|
Vmeas8 310 311 dc 0
|
||
|
R314 110 314 Rideal 1e9
|
||
|
DzOVcc 110 314 diode
|
||
|
DOVcc 102 314 diode
|
||
|
RX5 311 312 Rideal 0.001
|
||
|
FIoVee 315 110 Vmeas9 1
|
||
|
Vmeas9 312 313 dc 0
|
||
|
R315 315 110 Rideal 1e9
|
||
|
DzOVee 315 110 diode
|
||
|
DOVee 315 103 diode
|
||
|
*
|
||
|
*
|
||
|
***Output Switch***
|
||
|
S4 104 313 106 113 Switch
|
||
|
*
|
||
|
*
|
||
|
*** Common Models ***
|
||
|
.model diode d(bv=100)
|
||
|
.model Switch vswitch(Von=0.205,Voff=0.195,ron=10,roff=1e6)
|
||
|
.model Sswitch vswitch(Von=4.5,Voff=0.1,ron=1000,roff=1e6)
|
||
|
.model DzVoutP D(BV=4.3)
|
||
|
.model DzVoutN D(BV=4.3)
|
||
|
.model DVnoisy D(IS=7.28e-15 KF=8.83e-17)
|
||
|
.model DINnoisy D(IS=1.73e-25 KF=2.51e-21)
|
||
|
.model DIPnoisy D(IS=1.73e-25 KF=2.51e-21)
|
||
|
.model Rideal res(T_ABS=-273)
|
||
|
*
|
||
|
.ends Buffer
|
||
|
*
|
||
|
*.ends ADA4530
|