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-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub-cache.lib123
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir48
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir.out53
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.pro73
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sch771
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sub47
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/NPN.lib4
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/PNP.lib4
-rw-r--r--library/SubcircuitLibrary/LM4250_Sub/analysis1
10 files changed, 1125 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub-cache.lib b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub-cache.lib
new file mode 100644
index 00000000..b61a5bef
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub-cache.lib
@@ -0,0 +1,123 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# eSim_CP1
+#
+DEF eSim_CP1 C 0 10 N N 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "eSim_CP1" 25 -100 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS capacitor_polarised
+$FPLIST
+ CP_*
+$ENDFPLIST
+DRAW
+A 0 -150 128 1287 513 0 1 20 N -80 -50 80 -50
+P 2 0 1 20 -80 30 80 30 N
+P 2 0 1 0 -70 90 -30 90 N
+P 2 0 1 0 -50 70 -50 110 N
+X ~ 1 0 150 110 D 50 50 1 1 P
+X ~ 2 0 -150 130 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# eSim_NPN
+#
+DEF eSim_NPN Q 0 0 Y N 1 F N
+F0 "Q" -100 50 50 H V R CNN
+F1 "eSim_NPN" -50 150 50 H V R CNN
+F2 "" 200 100 29 H V C CNN
+F3 "" 0 0 60 H V C CNN
+ALIAS BC547 Q2N2222
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0 25 25 100 100 N
+P 3 0 1 0 25 -25 100 -100 100 -100 N
+P 3 0 1 20 25 75 25 -75 25 -75 N
+P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F
+X C 1 100 200 100 D 50 50 1 1 P
+X B 2 -200 0 225 R 50 50 1 1 P
+X E 3 100 -200 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# eSim_PNP
+#
+DEF eSim_PNP Q 0 0 Y N 1 F N
+F0 "Q" -100 50 50 H V R CNN
+F1 "eSim_PNP" -50 150 50 H V R CNN
+F2 "" 200 100 29 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0 25 25 100 100 N
+P 3 0 1 0 25 -25 100 -100 100 -100 N
+P 3 0 1 20 25 75 25 -75 25 -75 N
+P 5 0 1 0 90 -70 70 -90 50 -50 90 -70 90 -70 F
+X C 1 100 200 100 D 50 50 1 1 P
+X B 2 -200 0 225 R 50 50 1 1 P
+X E 3 100 -200 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# eSim_R
+#
+DEF eSim_R R 0 0 N Y 1 F N
+F0 "R" 50 130 50 H V C CNN
+F1 "eSim_R" 50 -50 50 H V C CNN
+F2 "" 50 -20 30 H V C CNN
+F3 "" 50 50 30 V V C CNN
+ALIAS resistor
+$FPLIST
+ R_*
+ Resistor_*
+$ENDFPLIST
+DRAW
+S 150 10 -50 90 0 1 10 N
+X ~ 1 -100 50 50 R 60 60 1 1 P
+X ~ 2 200 50 50 L 60 60 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir
new file mode 100644
index 00000000..d0beeaac
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir
@@ -0,0 +1,48 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\LM4250_Sub\LM4250_Sub.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 07/14/24 16:48:29
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+R3 Net-_Q17-Pad1_ Net-_Q1-Pad3_ 290
+Q1 Net-_Q1-Pad1_ Net-_Q1-Pad1_ Net-_Q1-Pad3_ eSim_PNP
+R8 Net-_Q17-Pad1_ Net-_Q4-Pad3_ 5k
+Q4 Net-_Q4-Pad1_ Net-_Q1-Pad1_ Net-_Q4-Pad3_ eSim_PNP
+R7 Net-_R15-Pad1_ Net-_Q17-Pad1_ 100
+R9 Net-_Q4-Pad1_ Net-_Q6-Pad3_ 1k
+R4 Net-_Q4-Pad1_ Net-_Q2-Pad3_ 5.9k
+Q2 Net-_Q2-Pad1_ Net-_Q2-Pad2_ Net-_Q2-Pad3_ eSim_PNP
+Q6 Net-_C1-Pad1_ Net-_Q6-Pad2_ Net-_Q6-Pad3_ eSim_PNP
+Q3 Net-_Q2-Pad1_ Net-_Q2-Pad1_ Net-_Q3-Pad3_ eSim_NPN
+Q5 Net-_C1-Pad1_ Net-_Q2-Pad1_ Net-_Q5-Pad3_ eSim_NPN
+R10 Net-_Q5-Pad3_ Net-_Q14-Pad3_ 5k
+R5 Net-_Q3-Pad3_ Net-_Q14-Pad3_ 5k
+Q7 Net-_Q14-Pad3_ Net-_C1-Pad1_ Net-_Q10-Pad1_ eSim_PNP
+Q10 Net-_Q10-Pad1_ Net-_Q10-Pad1_ Net-_Q10-Pad3_ eSim_NPN
+Q8 Net-_Q10-Pad3_ Net-_Q2-Pad1_ Net-_Q8-Pad3_ eSim_NPN
+R12 Net-_Q8-Pad3_ Net-_Q14-Pad3_ 690
+Q9 Net-_Q10-Pad1_ Net-_Q1-Pad1_ Net-_Q9-Pad3_ eSim_PNP
+R13 Net-_Q17-Pad1_ Net-_Q9-Pad3_ 5k
+Q11 Net-_Q11-Pad1_ Net-_Q1-Pad1_ Net-_Q11-Pad3_ eSim_PNP
+R15 Net-_R15-Pad1_ Net-_Q11-Pad3_ 45
+Q12 Net-_Q11-Pad1_ Net-_Q11-Pad1_ Net-_Q12-Pad3_ eSim_NPN
+Q13 Net-_Q12-Pad3_ Net-_Q12-Pad3_ Net-_C1-Pad2_ eSim_NPN
+C1 Net-_C1-Pad1_ Net-_C1-Pad2_ 30pF
+Q14 Net-_C1-Pad2_ Net-_Q10-Pad3_ Net-_Q14-Pad3_ eSim_NPN
+Q17 Net-_Q17-Pad1_ Net-_Q11-Pad1_ Net-_Q15-Pad2_ eSim_NPN
+Q15 Net-_Q11-Pad1_ Net-_Q15-Pad2_ Net-_Q15-Pad3_ eSim_NPN
+R16 Net-_Q15-Pad2_ Net-_Q15-Pad3_ 10
+R17 Net-_Q15-Pad3_ Net-_R17-Pad2_ 100
+R20 Net-_R14-Pad1_ Net-_R17-Pad2_ 100
+R2 Net-_Q2-Pad2_ Net-_R2-Pad2_ 1k
+R14 Net-_R14-Pad1_ Net-_Q2-Pad2_ 6k
+R18 Net-_R17-Pad2_ Net-_Q16-Pad3_ 50
+R19 Net-_Q16-Pad3_ Net-_Q16-Pad2_ 100
+Q16 Net-_C1-Pad2_ Net-_Q16-Pad2_ Net-_Q16-Pad3_ eSim_PNP
+Q18 Net-_Q14-Pad3_ Net-_C1-Pad2_ Net-_Q16-Pad2_ eSim_PNP
+U1 Net-_Q3-Pad3_ Net-_R2-Pad2_ Net-_Q6-Pad2_ Net-_Q14-Pad3_ Net-_Q5-Pad3_ Net-_R14-Pad1_ Net-_R15-Pad1_ PORT
+U2 Net-_Q1-Pad1_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir.out b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir.out
new file mode 100644
index 00000000..8645616f
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.cir.out
@@ -0,0 +1,53 @@
+* c:\fossee\esim\library\subcircuitlibrary\lm4250_sub\lm4250_sub.cir
+
+.include NPN.lib
+.include PNP.lib
+r3 net-_q17-pad1_ net-_q1-pad3_ 290
+q1 net-_q1-pad1_ net-_q1-pad1_ net-_q1-pad3_ Q2N2907A
+r8 net-_q17-pad1_ net-_q4-pad3_ 5k
+q4 net-_q4-pad1_ net-_q1-pad1_ net-_q4-pad3_ Q2N2907A
+r7 net-_r15-pad1_ net-_q17-pad1_ 100
+r9 net-_q4-pad1_ net-_q6-pad3_ 1k
+r4 net-_q4-pad1_ net-_q2-pad3_ 5.9k
+q2 net-_q2-pad1_ net-_q2-pad2_ net-_q2-pad3_ Q2N2907A
+q6 net-_c1-pad1_ net-_q6-pad2_ net-_q6-pad3_ Q2N2907A
+q3 net-_q2-pad1_ net-_q2-pad1_ net-_q3-pad3_ Q2N2222
+q5 net-_c1-pad1_ net-_q2-pad1_ net-_q5-pad3_ Q2N2222
+r10 net-_q5-pad3_ net-_q14-pad3_ 5k
+r5 net-_q3-pad3_ net-_q14-pad3_ 5k
+q7 net-_q14-pad3_ net-_c1-pad1_ net-_q10-pad1_ Q2N2907A
+q10 net-_q10-pad1_ net-_q10-pad1_ net-_q10-pad3_ Q2N2222
+q8 net-_q10-pad3_ net-_q2-pad1_ net-_q8-pad3_ Q2N2222
+r12 net-_q8-pad3_ net-_q14-pad3_ 690
+q9 net-_q10-pad1_ net-_q1-pad1_ net-_q9-pad3_ Q2N2907A
+r13 net-_q17-pad1_ net-_q9-pad3_ 5k
+q11 net-_q11-pad1_ net-_q1-pad1_ net-_q11-pad3_ Q2N2907A
+r15 net-_r15-pad1_ net-_q11-pad3_ 45
+q12 net-_q11-pad1_ net-_q11-pad1_ net-_q12-pad3_ Q2N2222
+q13 net-_q12-pad3_ net-_q12-pad3_ net-_c1-pad2_ Q2N2222
+c1 net-_c1-pad1_ net-_c1-pad2_ 30pf
+q14 net-_c1-pad2_ net-_q10-pad3_ net-_q14-pad3_ Q2N2222
+q17 net-_q17-pad1_ net-_q11-pad1_ net-_q15-pad2_ Q2N2222
+q15 net-_q11-pad1_ net-_q15-pad2_ net-_q15-pad3_ Q2N2222
+r16 net-_q15-pad2_ net-_q15-pad3_ 10
+r17 net-_q15-pad3_ net-_r17-pad2_ 100
+r20 net-_r14-pad1_ net-_r17-pad2_ 100
+r2 net-_q2-pad2_ net-_r2-pad2_ 1k
+r14 net-_r14-pad1_ net-_q2-pad2_ 6k
+r1 net-_q1-pad1_ net-_q14-pad3_ 10k
+r6 net-_q14-pad3_ net-_q3-pad3_ 5k
+r11 net-_q5-pad3_ net-_q14-pad3_ 5k
+r18 net-_r17-pad2_ net-_q16-pad3_ 50
+r19 net-_q16-pad3_ net-_q16-pad2_ 100
+q16 net-_c1-pad2_ net-_q16-pad2_ net-_q16-pad3_ Q2N2907A
+q18 net-_q14-pad3_ net-_c1-pad2_ net-_q16-pad2_ Q2N2907A
+* u1 gnd net-_r2-pad2_ net-_q6-pad2_ net-_q14-pad3_ gnd net-_r14-pad1_ net-_r15-pad1_ gnd port
+.tran 0.1e-03 100e-03 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.pro b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.pro
@@ -0,0 +1,73 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
diff --git a/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sch b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sch
new file mode 100644
index 00000000..39f11329
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sch
@@ -0,0 +1,771 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+LIBS:LM4250-cache
+EELAYER 25 0
+EELAYER END
+$Descr User 17000 12614
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L resistor R3
+U 1 1 6693A961
+P 4150 2450
+F 0 "R3" H 4200 2580 50 0000 C CNN
+F 1 "290" H 4200 2400 50 0000 C CNN
+F 2 "" H 4200 2430 30 0000 C CNN
+F 3 "" V 4200 2500 30 0000 C CNN
+ 1 4150 2450
+ 0 1 1 0
+$EndComp
+$Comp
+L eSim_PNP Q1
+U 1 1 6693A962
+P 4100 3100
+F 0 "Q1" H 4000 3150 50 0000 R CNN
+F 1 "eSim_PNP" H 4050 3250 50 0000 R CNN
+F 2 "" H 4300 3200 29 0000 C CNN
+F 3 "" H 4100 3100 60 0000 C CNN
+ 1 4100 3100
+ 1 0 0 1
+$EndComp
+Wire Wire Line
+ 4200 2650 4200 2900
+$Comp
+L resistor R8
+U 1 1 6693A963
+P 5000 2600
+F 0 "R8" H 5050 2730 50 0000 C CNN
+F 1 "5k" H 5050 2550 50 0000 C CNN
+F 2 "" H 5050 2580 30 0000 C CNN
+F 3 "" V 5050 2650 30 0000 C CNN
+ 1 5000 2600
+ 0 1 1 0
+$EndComp
+$Comp
+L eSim_PNP Q4
+U 1 1 6693A964
+P 4950 3400
+F 0 "Q4" H 4850 3450 50 0000 R CNN
+F 1 "eSim_PNP" H 4900 3550 50 0000 R CNN
+F 2 "" H 5150 3500 29 0000 C CNN
+F 3 "" H 4950 3400 60 0000 C CNN
+ 1 4950 3400
+ 1 0 0 1
+$EndComp
+$Comp
+L resistor R7
+U 1 1 6693A965
+P 5000 1900
+F 0 "R7" H 5050 2030 50 0000 C CNN
+F 1 "100" H 5050 1850 50 0000 C CNN
+F 2 "" H 5050 1880 30 0000 C CNN
+F 3 "" V 5050 1950 30 0000 C CNN
+ 1 5000 1900
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 4200 3300 4200 3400
+Wire Wire Line
+ 2800 3400 4750 3400
+Connection ~ 4200 3400
+Wire Wire Line
+ 3900 3100 3750 3100
+Wire Wire Line
+ 3750 3100 3750 3400
+Connection ~ 3750 3400
+Wire Wire Line
+ 5050 3200 5050 2800
+Wire Wire Line
+ 5050 2500 5050 2100
+Wire Wire Line
+ 4200 2350 4200 2200
+Connection ~ 5050 2200
+$Comp
+L resistor R9
+U 1 1 6693A966
+P 5050 4300
+F 0 "R9" H 5100 4430 50 0000 C CNN
+F 1 "1k" H 5100 4250 50 0000 C CNN
+F 2 "" H 5100 4280 30 0000 C CNN
+F 3 "" V 5100 4350 30 0000 C CNN
+ 1 5050 4300
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 5050 3600 5050 4200
+Wire Wire Line
+ 5050 4200 5100 4200
+$Comp
+L resistor R4
+U 1 1 6693A967
+P 4200 4300
+F 0 "R4" H 4250 4430 50 0000 C CNN
+F 1 "5.9k" H 4250 4250 50 0000 C CNN
+F 2 "" H 4250 4280 30 0000 C CNN
+F 3 "" V 4250 4350 30 0000 C CNN
+ 1 4200 4300
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 4250 4200 4250 3750
+Wire Wire Line
+ 4250 3750 5050 3750
+Connection ~ 5050 3750
+$Comp
+L eSim_PNP Q2
+U 1 1 6693A968
+P 4150 5100
+F 0 "Q2" H 4050 5150 50 0000 R CNN
+F 1 "eSim_PNP" H 4100 5250 50 0000 R CNN
+F 2 "" H 4350 5200 29 0000 C CNN
+F 3 "" H 4150 5100 60 0000 C CNN
+ 1 4150 5100
+ 1 0 0 1
+$EndComp
+$Comp
+L eSim_PNP Q6
+U 1 1 6693A969
+P 5200 5100
+F 0 "Q6" H 5100 5150 50 0000 R CNN
+F 1 "eSim_PNP" H 5150 5250 50 0000 R CNN
+F 2 "" H 5400 5200 29 0000 C CNN
+F 3 "" H 5200 5100 60 0000 C CNN
+ 1 5200 5100
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 3500 5550 5650 5550
+Wire Wire Line
+ 5100 4500 5100 4900
+Wire Wire Line
+ 4250 4500 4250 4900
+Wire Wire Line
+ 4250 5300 4250 6900
+$Comp
+L eSim_NPN Q3
+U 1 1 6693A96A
+P 4350 7100
+F 0 "Q3" H 4250 7150 50 0000 R CNN
+F 1 "eSim_NPN" H 4300 7250 50 0000 R CNN
+F 2 "" H 4550 7200 29 0000 C CNN
+F 3 "" H 4350 7100 60 0000 C CNN
+ 1 4350 7100
+ -1 0 0 -1
+$EndComp
+Wire Wire Line
+ 5650 5550 5650 5100
+$Comp
+L eSim_NPN Q5
+U 1 1 6693A96B
+P 5000 6850
+F 0 "Q5" H 4900 6900 50 0000 R CNN
+F 1 "eSim_NPN" H 4950 7000 50 0000 R CNN
+F 2 "" H 5200 6950 29 0000 C CNN
+F 3 "" H 5000 6850 60 0000 C CNN
+ 1 5000 6850
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4800 6850 4250 6850
+Connection ~ 4250 6850
+Wire Wire Line
+ 4550 7100 4650 7100
+Wire Wire Line
+ 4650 7100 4650 6850
+Connection ~ 4650 6850
+Wire Wire Line
+ 5100 5300 5100 6650
+$Comp
+L resistor R10
+U 1 1 6693A96C
+P 5050 7500
+F 0 "R10" H 5100 7630 50 0000 C CNN
+F 1 "5k" H 5100 7450 50 0000 C CNN
+F 2 "" H 5100 7480 30 0000 C CNN
+F 3 "" V 5100 7550 30 0000 C CNN
+ 1 5050 7500
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 5100 7050 5100 7400
+Wire Wire Line
+ 4250 7300 4250 7450
+$Comp
+L resistor R5
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+$EndComp
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+Wire Wire Line
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+Connection ~ 5100 7150
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
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+$EndComp
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+F 3 "" H 8600 3350 60 0000 C CNN
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+$EndComp
+Wire Wire Line
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+Connection ~ 7150 3350
+$Comp
+L resistor R15
+U 1 1 6693A975
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+F 1 "45" H 8650 1850 50 0000 C CNN
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+F 3 "" V 8650 1950 30 0000 C CNN
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+ 0 1 1 0
+$EndComp
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+Wire Wire Line
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+F 2 "" H 8800 4200 29 0000 C CNN
+F 3 "" H 8600 4100 60 0000 C CNN
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+$Comp
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+F 0 "Q13" H 8500 4750 50 0000 R CNN
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+F 3 "" H 8600 4700 60 0000 C CNN
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+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 8700 4350
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+L capacitor_polarised C1
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+F 1 "30pF" H 8525 5000 50 0000 L CNN
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+Connection ~ 7650 6450
+Connection ~ 8700 5100
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+P 8600 6450
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+F 2 "" H 8800 6550 29 0000 C CNN
+F 3 "" H 8600 6450 60 0000 C CNN
+ 1 8600 6450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 7500 8050
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+L eSim_NPN Q17
+U 1 1 6693A97A
+P 10200 3650
+F 0 "Q17" H 10100 3700 50 0000 R CNN
+F 1 "eSim_NPN" H 10150 3800 50 0000 R CNN
+F 2 "" H 10400 3750 29 0000 C CNN
+F 3 "" H 10200 3650 60 0000 C CNN
+ 1 10200 3650
+ 1 0 0 -1
+$EndComp
+$Comp
+L eSim_NPN Q15
+U 1 1 6693A97B
+P 9750 4200
+F 0 "Q15" H 9650 4250 50 0000 R CNN
+F 1 "eSim_NPN" H 9700 4350 50 0000 R CNN
+F 2 "" H 9950 4300 29 0000 C CNN
+F 3 "" H 9750 4200 60 0000 C CNN
+ 1 9750 4200
+ -1 0 0 -1
+$EndComp
+Wire Wire Line
+ 9650 4000 9650 3650
+Connection ~ 9650 3650
+$Comp
+L resistor R16
+U 1 1 6693A97C
+P 10250 4500
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+F 1 "10" H 10300 4450 50 0000 C CNN
+F 2 "" H 10300 4480 30 0000 C CNN
+F 3 "" V 10300 4550 30 0000 C CNN
+ 1 10250 4500
+ 0 1 1 0
+$EndComp
+$Comp
+L resistor R17
+U 1 1 6693A97D
+P 10250 5150
+F 0 "R17" H 10300 5280 50 0000 C CNN
+F 1 "100" H 10300 5100 50 0000 C CNN
+F 2 "" H 10300 5130 30 0000 C CNN
+F 3 "" V 10300 5200 30 0000 C CNN
+ 1 10250 5150
+ 0 1 1 0
+$EndComp
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+Wire Wire Line
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+Connection ~ 10300 4200
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 10300 4900
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 10300 5600
+$Comp
+L resistor R20
+U 1 1 6693A97E
+P 11000 5550
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+F 1 "100" H 11050 5500 50 0000 C CNN
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+F 3 "" V 11050 5600 30 0000 C CNN
+ 1 11000 5550
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 11100 5600 12000 5600
+Connection ~ 8700 8050
+Wire Wire Line
+ 4200 2200 10300 2200
+Wire Wire Line
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+$Comp
+L resistor R2
+U 1 1 6693A980
+P 3750 5050
+F 0 "R2" H 3800 5180 50 0000 C CNN
+F 1 "1k" H 3800 5000 50 0000 C CNN
+F 2 "" H 3800 5030 30 0000 C CNN
+F 3 "" V 3800 5100 30 0000 C CNN
+ 1 3750 5050
+ -1 0 0 1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
+L resistor R14
+U 1 1 6693A981
+P 7650 1150
+F 0 "R14" H 7700 1280 50 0000 C CNN
+F 1 "6k" H 7700 1100 50 0000 C CNN
+F 2 "" H 7700 1130 30 0000 C CNN
+F 3 "" V 7700 1200 30 0000 C CNN
+ 1 7650 1150
+ -1 0 0 1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 8700 3650
+Connection ~ 8700 5800
+Wire Wire Line
+ 8700 5800 9100 5800
+Wire Wire Line
+ 9100 5800 9100 7050
+$Comp
+L resistor R18
+U 1 1 6693A98F
+P 10250 5950
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+F 1 "50" H 10300 5900 50 0000 C CNN
+F 2 "" H 10300 5930 30 0000 C CNN
+F 3 "" V 10300 6000 30 0000 C CNN
+ 1 10250 5950
+ 0 1 1 0
+$EndComp
+$Comp
+L resistor R19
+U 1 1 6693A990
+P 10250 6400
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+F 1 "100" H 10300 6350 50 0000 C CNN
+F 2 "" H 10300 6380 30 0000 C CNN
+F 3 "" V 10300 6450 30 0000 C CNN
+ 1 10250 6400
+ 0 1 1 0
+$EndComp
+Wire Wire Line
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+$Comp
+L eSim_PNP Q16
+U 1 1 6693A991
+P 9750 6700
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+ 1 9750 6700
+ -1 0 0 1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 10300 6200
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+Wire Wire Line
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+$Comp
+L eSim_PNP Q18
+U 1 1 6693A992
+P 10200 7150
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+F 2 "" H 10400 7250 29 0000 C CNN
+F 3 "" H 10200 7150 60 0000 C CNN
+ 1 10200 7150
+ 1 0 0 1
+$EndComp
+Wire Wire Line
+ 9650 6900 9650 7150
+Wire Wire Line
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+Connection ~ 10300 6700
+Wire Wire Line
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+Connection ~ 9650 7050
+Wire Wire Line
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+Connection ~ 10300 8050
+Wire Wire Line
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+Connection ~ 11300 5600
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 7350 3350
+Connection ~ 4700 6850
+Wire Wire Line
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+$Comp
+L PORT U1
+U 6 1 6693BBD6
+P 12000 5850
+F 0 "U1" H 12050 5950 30 0000 C CNN
+F 1 "PORT" H 12000 5850 30 0000 C CNN
+F 2 "" H 12000 5850 60 0000 C CNN
+F 3 "" H 12000 5850 60 0000 C CNN
+ 6 12000 5850
+ 0 -1 -1 0
+$EndComp
+$Comp
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+U 7 1 6693BC77
+P 11900 1850
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+F 1 "PORT" H 11900 1850 30 0000 C CNN
+F 2 "" H 11900 1850 60 0000 C CNN
+F 3 "" H 11900 1850 60 0000 C CNN
+ 7 11900 1850
+ 0 -1 -1 0
+$EndComp
+$Comp
+L PORT U1
+U 5 1 6693BD50
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+F 3 "" H 5600 7150 60 0000 C CNN
+ 5 5600 7150
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 1 1 6693BE17
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+F 2 "" H 3800 7400 60 0000 C CNN
+F 3 "" H 3800 7400 60 0000 C CNN
+ 1 3800 7400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 6693BEEA
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+F 2 "" H 3150 5100 60 0000 C CNN
+F 3 "" H 3150 5100 60 0000 C CNN
+ 2 3150 5100
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 6693BFAF
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+F 1 "PORT" H 3250 5550 30 0000 C CNN
+F 2 "" H 3250 5550 60 0000 C CNN
+F 3 "" H 3250 5550 60 0000 C CNN
+ 3 3250 5550
+ 1 0 0 -1
+$EndComp
+$Comp
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+U 4 1 6693C08C
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+F 2 "" H 11400 8650 60 0000 C CNN
+F 3 "" H 11400 8650 60 0000 C CNN
+ 4 11400 8650
+ 0 -1 -1 0
+$EndComp
+Wire Wire Line
+ 4050 7400 4250 7400
+Wire Wire Line
+ 5350 7150 5100 7150
+Wire Wire Line
+ 2800 3400 2800 3600
+$Comp
+L PORT U2
+U 8 1 66945A84
+P 2550 3600
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+F 3 "" H 2550 3600 60 0000 C CNN
+ 8 2550 3600
+ 1 0 0 -1
+$EndComp
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sub b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sub
new file mode 100644
index 00000000..b22e42a7
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub.sub
@@ -0,0 +1,47 @@
+* Subcircuit LM4250_Sub
+.subckt LM4250_Sub gnd net-_r2-pad2_ net-_q6-pad2_ net-_q14-pad3_ gnd net-_r14-pad1_ net-_r15-pad1_ gnd
+* c:\fossee\esim\library\subcircuitlibrary\lm4250_sub\lm4250_sub.cir
+.include NPN.lib
+.include PNP.lib
+r3 net-_q17-pad1_ net-_q1-pad3_ 290
+q1 net-_q1-pad1_ net-_q1-pad1_ net-_q1-pad3_ Q2N2907A
+r8 net-_q17-pad1_ net-_q4-pad3_ 5k
+q4 net-_q4-pad1_ net-_q1-pad1_ net-_q4-pad3_ Q2N2907A
+r7 net-_r15-pad1_ net-_q17-pad1_ 100
+r9 net-_q4-pad1_ net-_q6-pad3_ 1k
+r4 net-_q4-pad1_ net-_q2-pad3_ 5.9k
+q2 net-_q2-pad1_ net-_q2-pad2_ net-_q2-pad3_ Q2N2907A
+q6 net-_c1-pad1_ net-_q6-pad2_ net-_q6-pad3_ Q2N2907A
+q3 net-_q2-pad1_ net-_q2-pad1_ net-_q3-pad3_ Q2N2222
+q5 net-_c1-pad1_ net-_q2-pad1_ net-_q5-pad3_ Q2N2222
+r10 net-_q5-pad3_ net-_q14-pad3_ 5k
+r5 net-_q3-pad3_ net-_q14-pad3_ 5k
+q7 net-_q14-pad3_ net-_c1-pad1_ net-_q10-pad1_ Q2N2907A
+q10 net-_q10-pad1_ net-_q10-pad1_ net-_q10-pad3_ Q2N2222
+q8 net-_q10-pad3_ net-_q2-pad1_ net-_q8-pad3_ Q2N2222
+r12 net-_q8-pad3_ net-_q14-pad3_ 690
+q9 net-_q10-pad1_ net-_q1-pad1_ net-_q9-pad3_ Q2N2907A
+r13 net-_q17-pad1_ net-_q9-pad3_ 5k
+q11 net-_q11-pad1_ net-_q1-pad1_ net-_q11-pad3_ Q2N2907A
+r15 net-_r15-pad1_ net-_q11-pad3_ 45
+q12 net-_q11-pad1_ net-_q11-pad1_ net-_q12-pad3_ Q2N2222
+q13 net-_q12-pad3_ net-_q12-pad3_ net-_c1-pad2_ Q2N2222
+c1 net-_c1-pad1_ net-_c1-pad2_ 30pf
+q14 net-_c1-pad2_ net-_q10-pad3_ net-_q14-pad3_ Q2N2222
+q17 net-_q17-pad1_ net-_q11-pad1_ net-_q15-pad2_ Q2N2222
+q15 net-_q11-pad1_ net-_q15-pad2_ net-_q15-pad3_ Q2N2222
+r16 net-_q15-pad2_ net-_q15-pad3_ 10
+r17 net-_q15-pad3_ net-_r17-pad2_ 100
+r20 net-_r14-pad1_ net-_r17-pad2_ 100
+r2 net-_q2-pad2_ net-_r2-pad2_ 1k
+r14 net-_r14-pad1_ net-_q2-pad2_ 6k
+r1 net-_q1-pad1_ net-_q14-pad3_ 10k
+r6 net-_q14-pad3_ net-_q3-pad3_ 5k
+r11 net-_q5-pad3_ net-_q14-pad3_ 5k
+r18 net-_r17-pad2_ net-_q16-pad3_ 50
+r19 net-_q16-pad3_ net-_q16-pad2_ 100
+q16 net-_c1-pad2_ net-_q16-pad2_ net-_q16-pad3_ Q2N2907A
+q18 net-_q14-pad3_ net-_c1-pad2_ net-_q16-pad2_ Q2N2907A
+* Control Statements
+
+.ends LM4250_Sub \ No newline at end of file
diff --git a/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub_Previous_Values.xml b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub_Previous_Values.xml
new file mode 100644
index 00000000..701ec824
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/LM4250_Sub_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model /><devicemodel><q1><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q1><q4><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q4><q2><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q2><q6><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q6><q3><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q3><q5><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q5><q7><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q7><q10><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q10><q8><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q8><q9><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q9><q11><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q11><q12><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q12><q13><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q13><q14><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q14><q17><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q17><q15><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q15><q16><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q16><q18><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q18></devicemodel><subcircuit /><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time">0</field1><field2 name="Step Time">0.1</field2><field3 name="Stop Time">100</field3><field4 name="Start Combo">sec</field4><field5 name="Step Combo">ms</field5><field6 name="Stop Combo">ms</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/LM4250_Sub/NPN.lib b/library/SubcircuitLibrary/LM4250_Sub/NPN.lib
new file mode 100644
index 00000000..be5f3073
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/NPN.lib
@@ -0,0 +1,4 @@
+.model Q2N2222 NPN( Is=14.34f Xti=3 Eg=1.11 Vaf=74.03 Bf=400 Ne=1.307
++ Ise=14.34f Ikf=0.2847 Xtb=1.5 Br=6.092 Nc=2 Isc=0 Ikr=0 Rc=1 Cjc=7.306p
++ Mjc=0.3416 Vjc=0.75 Fc=0.5 Cje=22.01p Mje=0.377 Vje=0.75 Tr=46.91n Tf=411.1p
++ Itf=0.6 Vtf=1.7 Xtf=3 Rb=10)
diff --git a/library/SubcircuitLibrary/LM4250_Sub/PNP.lib b/library/SubcircuitLibrary/LM4250_Sub/PNP.lib
new file mode 100644
index 00000000..7edda0ea
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/PNP.lib
@@ -0,0 +1,4 @@
+.model Q2N2907A PNP(Is=650.6E-18 Xti=3 Eg=1.11 Vaf=115.7 Bf=231.7 Ne=1.829
++ Ise=54.81f Ikf=1.079 Xtb=1.5 Br=3.563 Nc=2 Isc=0 Ikr=0 Rc=.715
++ Cjc=14.76p Mjc=.5383 Vjc=.75 Fc=.5 Cje=19.82p Mje=.3357 Vje=.75
++ Tr=111.3n Tf=603.7p Itf=.65 Vtf=5 Xtf=1.7 Rb=10)
diff --git a/library/SubcircuitLibrary/LM4250_Sub/analysis b/library/SubcircuitLibrary/LM4250_Sub/analysis
new file mode 100644
index 00000000..402d01b4
--- /dev/null
+++ b/library/SubcircuitLibrary/LM4250_Sub/analysis
@@ -0,0 +1 @@
+.tran 0.1e-03 100e-03 0e-00 \ No newline at end of file