1_4_3_PT100-Sensor_Bruecke_Instrumentenverstaerker

Components used

SPICE netlist

* **************************************************
* Generated from CircuitSim Schematic
**************************************************
R_P1_A 0 N7 'max(1m,100*90.447/100)'
R_P1_B N7 N7 'max(1m,100*(100-90.447)/100)'
R_Pg_A N16 N9 'max(1m,2k*98.5/100)'
R_Pg_B N9 N9 'max(1m,2k*(100-98.5)/100)'
R_R1 N6 N11 4.7k Resistor_1d9c8cf9a__R_R1 temp=27
R_R11 N8 N9 100k Resistor_1d9c8cf9a__R_R11 temp=27
R_R12 N14 N16 100k Resistor_1d9c8cf9a__R_R12 temp=27
R_R3 N6 N7 4.7k Resistor_1d9c8cf9a__R_R3 temp=27
R_R31 N8 N12 100k Resistor_1d9c8cf9a__R_R31 temp=27
R_R32 N14 N13 100k Resistor_1d9c8cf9a__R_R32 temp=27
R_R41 N12 0 100k Resistor_1d9c8cf9a__R_R41 temp=27
R_R42 N13 N15 100k Resistor_1d9c8cf9a__R_R42 temp=27
R_RL1 N10 N5 36m Resistor_1d9c8cf9a__R_RL1 temp=27
R_RL2 0 N1 36m Resistor_1d9c8cf9a__R_RL2 temp=27
R_RT N5 N1 100 Resistor_1d9c8cf9a__R_RT temp=0
X_U1 N11 N9 N8 Param3TVIRTUAL_5a7fc2f7 IOS=0 AVOL=200k BW=100meg VOS=0 IBS=0 RI=10meg VOMP=12 VOMN=-12 RO=10
X_U2 N7 N16 N14 Param3TVIRTUAL_5a7fc2f7 IOS=0 AVOL=200k BW=100meg VOS=0 IBS=0 RI=10meg VOMP=12 VOMN=-12 RO=10
X_U3 N12 N13 N15 Param3TVIRTUAL_5a7fc2f7 IOS=0 AVOL=200k BW=100meg VOS=0 IBS=0 RI=10meg VOMP=12 VOMN=-12 RO=10
V_Uh N6 0 dc 5 ac 0 0 distof1 0 0 distof2 0 0
E_Ut Ut 0 N5 N1 1
E_Ua Ua 0 N15 0 1
E_Uab Uab 0 N11 N7 1
V_Im N11 N10 0

**************************************************
* Models and supporting definitions follow
**************************************************
.model Resistor_1d9c8cf9a__R_R1 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R11 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R12 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R3 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R31 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R32 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R41 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R42 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_RL1 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_RL2 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_RT r(tc1=3.85m tc2=0 tnom=0)
.model Param3TVIRTUAL_5a7fc2f7_D1 d(n=0.1)
.subckt Param3TVIRTUAL_5a7fc2f7 in_pos in_neg out params: VOS=0 IBS=0 IOS=0 AVOL=200K BW=100M RI=10M RO=10 VOMP=12 VOMN=-12

    * Input Stage: Rin, Ibias, Voffset
    VOS in_pos 4 {VOS}
    Ibias1 4 0 {IBS}
    Ibias2 in_neg 0 {IBS}
    IOS 4 in_neg {IOS/2}
    Rin 4 in_neg {RI}

    *Middle stage: Gain, frequency, voltage limiting
    Bgain 0 6 I={v(4,in_neg)*AVOL/1meg}
    R1 6 0 1meg
    CP1 6 0 {AVOL/(2*3.141592653589793*1meg*BW)}


    Vpos 9 0 {VOMP}
    Dlimit_pos 6 9 Param3TVIRTUAL_5a7fc2f7_D1

    Vneg 10 0 {VOMN}
    Dlimit_neg 10 6 Param3TVIRTUAL_5a7fc2f7_D1


    *Output stage: Buffer, output resistance
    E2 7 0 6 0 1
    Rout 7 out {RO}
.ends

**************************************************
* Simulation settings
**************************************************
.options rshunt=1e12
.op
.save V(Ut) V(Ua) V(Uab) I(V_Im)
.end