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authorNirmitha N2025-06-01 16:44:22 +0530
committerGitHub2025-06-01 16:44:22 +0530
commitf20dd92267e3bcf1019d7c91325e7b656843f8f4 (patch)
tree2549a8f921015d4b87b8f62e564044e7477c33f1
parentc2eda2cff562ccd18345454197fa8d69b16f867b (diff)
downloadeSim-f20dd92267e3bcf1019d7c91325e7b656843f8f4.tar.gz
eSim-f20dd92267e3bcf1019d7c91325e7b656843f8f4.tar.bz2
eSim-f20dd92267e3bcf1019d7c91325e7b656843f8f4.zip
Adding LTC1565-31
LTC156531 is a 7th Order Butterworth Low Pass Filter for cut off frequency of 6kHz
Diffstat
-rw-r--r--library/SubcircuitLibrary/LTC156531-cache.lib115
-rw-r--r--library/SubcircuitLibrary/LTC156531.bak824
-rw-r--r--library/SubcircuitLibrary/LTC156531.cir41
-rw-r--r--library/SubcircuitLibrary/LTC156531.cir.out43
-rw-r--r--library/SubcircuitLibrary/LTC156531.pro71
-rw-r--r--library/SubcircuitLibrary/LTC156531.sch892
-rw-r--r--library/SubcircuitLibrary/LTC156531.sub37
-rw-r--r--library/SubcircuitLibrary/LTC156531_Previous_Values.xml1
8 files changed, 2024 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/LTC156531-cache.lib b/library/SubcircuitLibrary/LTC156531-cache.lib
new file mode 100644
index 00000000..73af813a
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531-cache.lib
@@ -0,0 +1,115 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# 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_C
+#
+DEF eSim_C C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "eSim_C" 25 -100 50 H V L CNN
+F2 "" 38 -150 30 H V C CNN
+F3 "" 0 0 60 H V C CNN
+ALIAS capacitor
+$FPLIST
+ C_*
+$ENDFPLIST
+DRAW
+P 2 0 1 20 -80 -30 80 -30 N
+P 2 0 1 20 -80 30 80 30 N
+X ~ 1 0 150 110 D 40 40 1 1 P
+X ~ 2 0 -150 110 U 40 40 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
+#
+# lm_741
+#
+DEF lm_741 X 0 40 Y Y 1 F N
+F0 "X" -200 0 60 H V C CNN
+F1 "lm_741" -100 -250 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+P 4 0 1 0 -350 350 350 0 -350 -350 -350 350 N
+X off_null 1 -50 400 200 D 50 38 1 1 I
+X inv 2 -550 150 200 R 50 38 1 1 I
+X non_inv 3 -550 -100 200 R 50 38 1 1 I
+X v_neg 4 -150 -450 200 U 50 38 1 1 I
+X off_null 5 50 350 200 D 50 38 1 1 I
+X out 6 550 0 200 L 50 38 1 1 O
+X v_pos 7 -150 450 200 D 50 38 1 1 I
+X NC 8 150 -300 200 U 50 38 1 1 N
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/LTC156531.bak b/library/SubcircuitLibrary/LTC156531.bak
new file mode 100644
index 00000000..0100a4b5
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531.bak
@@ -0,0 +1,824 @@
+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:LTC1565-31-cache
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L lm_741 X1
+U 1 1 6828767C
+P 2700 2050
+F 0 "X1" H 2500 2050 60 0000 C CNN
+F 1 "lm_741" H 2600 1800 60 0000 C CNN
+F 2 "" H 2700 2050 60 0000 C CNN
+F 3 "" H 2700 2050 60 0000 C CNN
+ 1 2700 2050
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R2
+U 1 1 6828767D
+P 1750 2200
+F 0 "R2" H 1800 2330 50 0000 C CNN
+F 1 "350" H 1800 2150 50 0000 C CNN
+F 2 "" H 1800 2180 30 0000 C CNN
+F 3 "" V 1800 2250 30 0000 C CNN
+ 1 1750 2200
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C3
+U 1 1 6828767E
+P 2050 2600
+F 0 "C3" H 2075 2700 50 0000 L CNN
+F 1 "0.01u" H 2075 2500 50 0000 L CNN
+F 2 "" H 2088 2450 30 0000 C CNN
+F 3 "" H 2050 2600 60 0000 C CNN
+ 1 2050 2600
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R6
+U 1 1 6828767F
+P 2600 950
+F 0 "R6" H 2650 1080 50 0000 C CNN
+F 1 "10k" H 2650 900 50 0000 C CNN
+F 2 "" H 2650 930 30 0000 C CNN
+F 3 "" V 2650 1000 30 0000 C CNN
+ 1 2600 950
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R4
+U 1 1 68287680
+P 1800 1050
+F 0 "R4" H 1850 1180 50 0000 C CNN
+F 1 "10k" H 1850 1000 50 0000 C CNN
+F 2 "" H 1850 1030 30 0000 C CNN
+F 3 "" V 1850 1100 30 0000 C CNN
+ 1 1800 1050
+ 0 1 1 0
+$EndComp
+$Comp
+L capacitor C1
+U 1 1 68287681
+P 1350 1100
+F 0 "C1" H 1375 1200 50 0000 L CNN
+F 1 "0.0001u" H 1375 1000 50 0000 L CNN
+F 2 "" H 1388 950 30 0000 C CNN
+F 3 "" H 1350 1100 60 0000 C CNN
+ 1 1350 1100
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR01
+U 1 1 68287682
+P 2050 3000
+F 0 "#PWR01" H 2050 2750 50 0001 C CNN
+F 1 "GND" H 2050 2850 50 0000 C CNN
+F 2 "" H 2050 3000 50 0001 C CNN
+F 3 "" H 2050 3000 50 0001 C CNN
+ 1 2050 3000
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR02
+U 1 1 68287683
+P 1850 1500
+F 0 "#PWR02" H 1850 1250 50 0001 C CNN
+F 1 "GND" H 1850 1350 50 0000 C CNN
+F 2 "" H 1850 1500 50 0001 C CNN
+F 3 "" H 1850 1500 50 0001 C CNN
+ 1 1850 1500
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR03
+U 1 1 68287684
+P 1350 1500
+F 0 "#PWR03" H 1350 1250 50 0001 C CNN
+F 1 "GND" H 1350 1350 50 0000 C CNN
+F 2 "" H 1350 1500 50 0001 C CNN
+F 3 "" H 1350 1500 50 0001 C CNN
+ 1 1350 1500
+ 1 0 0 -1
+$EndComp
+NoConn ~ 2650 1650
+NoConn ~ 2750 1700
+NoConn ~ 2850 2350
+$Comp
+L lm_741 X3
+U 1 1 68287685
+P 6100 2000
+F 0 "X3" H 5900 2000 60 0000 C CNN
+F 1 "lm_741" H 6000 1750 60 0000 C CNN
+F 2 "" H 6100 2000 60 0000 C CNN
+F 3 "" H 6100 2000 60 0000 C CNN
+ 1 6100 2000
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R8
+U 1 1 68287686
+P 4600 2150
+F 0 "R8" H 4650 2280 50 0000 C CNN
+F 1 "350" H 4650 2100 50 0000 C CNN
+F 2 "" H 4650 2130 30 0000 C CNN
+F 3 "" V 4650 2200 30 0000 C CNN
+ 1 4600 2150
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R9
+U 1 1 68287687
+P 5150 2150
+F 0 "R9" H 5200 2280 50 0000 C CNN
+F 1 "350" H 5200 2100 50 0000 C CNN
+F 2 "" H 5200 2130 30 0000 C CNN
+F 3 "" V 5200 2200 30 0000 C CNN
+ 1 5150 2150
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C7
+U 1 1 68287688
+P 5450 2550
+F 0 "C7" H 5475 2650 50 0000 L CNN
+F 1 "0.01u" H 5475 2450 50 0000 L CNN
+F 2 "" H 5488 2400 30 0000 C CNN
+F 3 "" H 5450 2550 60 0000 C CNN
+ 1 5450 2550
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C8
+U 1 1 68287689
+P 5600 3350
+F 0 "C8" H 5625 3450 50 0000 L CNN
+F 1 "0.01u" H 5625 3250 50 0000 L CNN
+F 2 "" H 5638 3200 30 0000 C CNN
+F 3 "" H 5600 3350 60 0000 C CNN
+ 1 5600 3350
+ 0 1 1 0
+$EndComp
+$Comp
+L resistor R11
+U 1 1 6828768A
+P 6000 900
+F 0 "R11" H 6050 1030 50 0000 C CNN
+F 1 "15.55k" H 6050 850 50 0000 C CNN
+F 2 "" H 6050 880 30 0000 C CNN
+F 3 "" V 6050 950 30 0000 C CNN
+ 1 6000 900
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R10
+U 1 1 6828768B
+P 5200 1000
+F 0 "R10" H 5250 1130 50 0000 C CNN
+F 1 "10k" H 5250 950 50 0000 C CNN
+F 2 "" H 5250 980 30 0000 C CNN
+F 3 "" V 5250 1050 30 0000 C CNN
+ 1 5200 1000
+ 0 1 1 0
+$EndComp
+$Comp
+L capacitor C6
+U 1 1 6828768C
+P 4750 1050
+F 0 "C6" H 4775 1150 50 0000 L CNN
+F 1 "0.003u" H 4775 950 50 0000 L CNN
+F 2 "" H 4788 900 30 0000 C CNN
+F 3 "" H 4750 1050 60 0000 C CNN
+ 1 4750 1050
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR04
+U 1 1 6828768D
+P 5450 2950
+F 0 "#PWR04" H 5450 2700 50 0001 C CNN
+F 1 "GND" H 5450 2800 50 0000 C CNN
+F 2 "" H 5450 2950 50 0001 C CNN
+F 3 "" H 5450 2950 50 0001 C CNN
+ 1 5450 2950
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR05
+U 1 1 6828768E
+P 5250 1450
+F 0 "#PWR05" H 5250 1200 50 0001 C CNN
+F 1 "GND" H 5250 1300 50 0000 C CNN
+F 2 "" H 5250 1450 50 0001 C CNN
+F 3 "" H 5250 1450 50 0001 C CNN
+ 1 5250 1450
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR06
+U 1 1 6828768F
+P 4750 1450
+F 0 "#PWR06" H 4750 1200 50 0001 C CNN
+F 1 "GND" H 4750 1300 50 0000 C CNN
+F 2 "" H 4750 1450 50 0001 C CNN
+F 3 "" H 4750 1450 50 0001 C CNN
+ 1 4750 1450
+ 1 0 0 -1
+$EndComp
+NoConn ~ 6050 1600
+NoConn ~ 6150 1650
+NoConn ~ 6250 2300
+$Comp
+L lm_741 X4
+U 1 1 68287690
+P 9500 2100
+F 0 "X4" H 9300 2100 60 0000 C CNN
+F 1 "lm_741" H 9400 1850 60 0000 C CNN
+F 2 "" H 9500 2100 60 0000 C CNN
+F 3 "" H 9500 2100 60 0000 C CNN
+ 1 9500 2100
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R12
+U 1 1 68287691
+P 8000 2250
+F 0 "R12" H 8050 2380 50 0000 C CNN
+F 1 "350" H 8050 2200 50 0000 C CNN
+F 2 "" H 8050 2230 30 0000 C CNN
+F 3 "" V 8050 2300 30 0000 C CNN
+ 1 8000 2250
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R13
+U 1 1 68287692
+P 8550 2250
+F 0 "R13" H 8600 2380 50 0000 C CNN
+F 1 "350" H 8600 2200 50 0000 C CNN
+F 2 "" H 8600 2230 30 0000 C CNN
+F 3 "" V 8600 2300 30 0000 C CNN
+ 1 8550 2250
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C10
+U 1 1 68287693
+P 8850 2650
+F 0 "C10" H 8875 2750 50 0000 L CNN
+F 1 "0.01u" H 8875 2550 50 0000 L CNN
+F 2 "" H 8888 2500 30 0000 C CNN
+F 3 "" H 8850 2650 60 0000 C CNN
+ 1 8850 2650
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C11
+U 1 1 68287694
+P 9000 3450
+F 0 "C11" H 9025 3550 50 0000 L CNN
+F 1 "0.01u" H 9025 3350 50 0000 L CNN
+F 2 "" H 9038 3300 30 0000 C CNN
+F 3 "" H 9000 3450 60 0000 C CNN
+ 1 9000 3450
+ 0 1 1 0
+$EndComp
+$Comp
+L resistor R15
+U 1 1 68287695
+P 9400 1000
+F 0 "R15" H 9450 1130 50 0000 C CNN
+F 1 "7.53k" H 9450 950 50 0000 C CNN
+F 2 "" H 9450 980 30 0000 C CNN
+F 3 "" V 9450 1050 30 0000 C CNN
+ 1 9400 1000
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R14
+U 1 1 68287696
+P 8600 1100
+F 0 "R14" H 8650 1230 50 0000 C CNN
+F 1 "10k" H 8650 1050 50 0000 C CNN
+F 2 "" H 8650 1080 30 0000 C CNN
+F 3 "" V 8650 1150 30 0000 C CNN
+ 1 8600 1100
+ 0 1 1 0
+$EndComp
+$Comp
+L capacitor C9
+U 1 1 68287697
+P 8150 1150
+F 0 "C9" H 8175 1250 50 0000 L CNN
+F 1 "0.005u" H 8175 1050 50 0000 L CNN
+F 2 "" H 8188 1000 30 0000 C CNN
+F 3 "" H 8150 1150 60 0000 C CNN
+ 1 8150 1150
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR07
+U 1 1 68287698
+P 8850 3050
+F 0 "#PWR07" H 8850 2800 50 0001 C CNN
+F 1 "GND" H 8850 2900 50 0000 C CNN
+F 2 "" H 8850 3050 50 0001 C CNN
+F 3 "" H 8850 3050 50 0001 C CNN
+ 1 8850 3050
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR08
+U 1 1 68287699
+P 8650 1550
+F 0 "#PWR08" H 8650 1300 50 0001 C CNN
+F 1 "GND" H 8650 1400 50 0000 C CNN
+F 2 "" H 8650 1550 50 0001 C CNN
+F 3 "" H 8650 1550 50 0001 C CNN
+ 1 8650 1550
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR09
+U 1 1 6828769A
+P 8150 1550
+F 0 "#PWR09" H 8150 1300 50 0001 C CNN
+F 1 "GND" H 8150 1400 50 0000 C CNN
+F 2 "" H 8150 1550 50 0001 C CNN
+F 3 "" H 8150 1550 50 0001 C CNN
+ 1 8150 1550
+ 1 0 0 -1
+$EndComp
+NoConn ~ 9450 1700
+NoConn ~ 9550 1750
+NoConn ~ 9650 2400
+$Comp
+L lm_741 X2
+U 1 1 6828769B
+P 2700 5600
+F 0 "X2" H 2500 5600 60 0000 C CNN
+F 1 "lm_741" H 2600 5350 60 0000 C CNN
+F 2 "" H 2700 5600 60 0000 C CNN
+F 3 "" H 2700 5600 60 0000 C CNN
+ 1 2700 5600
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R1
+U 1 1 6828769C
+P 1200 5750
+F 0 "R1" H 1250 5880 50 0000 C CNN
+F 1 "350" H 1250 5700 50 0000 C CNN
+F 2 "" H 1250 5730 30 0000 C CNN
+F 3 "" V 1250 5800 30 0000 C CNN
+ 1 1200 5750
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R3
+U 1 1 6828769D
+P 1750 5750
+F 0 "R3" H 1800 5880 50 0000 C CNN
+F 1 "350" H 1800 5700 50 0000 C CNN
+F 2 "" H 1800 5730 30 0000 C CNN
+F 3 "" V 1800 5800 30 0000 C CNN
+ 1 1750 5750
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C4
+U 1 1 6828769E
+P 2050 6150
+F 0 "C4" H 2075 6250 50 0000 L CNN
+F 1 "0.01u" H 2075 6050 50 0000 L CNN
+F 2 "" H 2088 6000 30 0000 C CNN
+F 3 "" H 2050 6150 60 0000 C CNN
+ 1 2050 6150
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C5
+U 1 1 6828769F
+P 2200 6950
+F 0 "C5" H 2225 7050 50 0000 L CNN
+F 1 "0.01u" H 2225 6850 50 0000 L CNN
+F 2 "" H 2238 6800 30 0000 C CNN
+F 3 "" H 2200 6950 60 0000 C CNN
+ 1 2200 6950
+ 0 1 1 0
+$EndComp
+$Comp
+L resistor R7
+U 1 1 682876A0
+P 2600 4500
+F 0 "R7" H 2650 4630 50 0000 C CNN
+F 1 "1.98k" H 2650 4450 50 0000 C CNN
+F 2 "" H 2650 4480 30 0000 C CNN
+F 3 "" V 2650 4550 30 0000 C CNN
+ 1 2600 4500
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R5
+U 1 1 682876A1
+P 1800 4600
+F 0 "R5" H 1850 4730 50 0000 C CNN
+F 1 "10k" H 1850 4550 50 0000 C CNN
+F 2 "" H 1850 4580 30 0000 C CNN
+F 3 "" V 1850 4650 30 0000 C CNN
+ 1 1800 4600
+ 0 1 1 0
+$EndComp
+$Comp
+L capacitor C2
+U 1 1 682876A2
+P 1350 4650
+F 0 "C2" H 1375 4750 50 0000 L CNN
+F 1 "0.007u" H 1375 4550 50 0000 L CNN
+F 2 "" H 1388 4500 30 0000 C CNN
+F 3 "" H 1350 4650 60 0000 C CNN
+ 1 1350 4650
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR010
+U 1 1 682876A3
+P 2050 6550
+F 0 "#PWR010" H 2050 6300 50 0001 C CNN
+F 1 "GND" H 2050 6400 50 0000 C CNN
+F 2 "" H 2050 6550 50 0001 C CNN
+F 3 "" H 2050 6550 50 0001 C CNN
+ 1 2050 6550
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR011
+U 1 1 682876A4
+P 1850 5050
+F 0 "#PWR011" H 1850 4800 50 0001 C CNN
+F 1 "GND" H 1850 4900 50 0000 C CNN
+F 2 "" H 1850 5050 50 0001 C CNN
+F 3 "" H 1850 5050 50 0001 C CNN
+ 1 1850 5050
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR012
+U 1 1 682876A5
+P 1350 5050
+F 0 "#PWR012" H 1350 4800 50 0001 C CNN
+F 1 "GND" H 1350 4900 50 0000 C CNN
+F 2 "" H 1350 5050 50 0001 C CNN
+F 3 "" H 1350 5050 50 0001 C CNN
+ 1 1350 5050
+ 1 0 0 -1
+$EndComp
+NoConn ~ 2650 5200
+NoConn ~ 2750 5250
+NoConn ~ 2850 5900
+Wire Wire Line
+ 2150 650 2150 1900
+Wire Wire Line
+ 1850 900 2500 900
+Wire Wire Line
+ 2800 900 3600 900
+Wire Wire Line
+ 3600 900 3600 2050
+Wire Wire Line
+ 3250 2050 3700 2050
+Wire Wire Line
+ 2550 1600 2550 1200
+Wire Wire Line
+ 2550 1200 3800 1200
+Wire Wire Line
+ 3800 1200 3800 3650
+Wire Wire Line
+ 2550 2500 2550 2800
+Wire Wire Line
+ 2550 2800 3300 2800
+Wire Wire Line
+ 1950 2150 2150 2150
+Wire Wire Line
+ 750 2150 1650 2150
+Wire Wire Line
+ 1350 1250 1350 1500
+Wire Wire Line
+ 1850 1250 1850 1500
+Wire Wire Line
+ 1850 900 1850 950
+Connection ~ 2150 900
+Wire Wire Line
+ 1350 950 1350 650
+Wire Wire Line
+ 1350 650 2150 650
+Wire Wire Line
+ 2050 2150 2050 2450
+Connection ~ 2050 2150
+Wire Wire Line
+ 2050 2750 2050 3000
+Connection ~ 3600 2050
+Wire Wire Line
+ 5550 600 5550 1850
+Wire Wire Line
+ 5250 850 5900 850
+Wire Wire Line
+ 6200 850 7000 850
+Wire Wire Line
+ 7000 850 7000 3350
+Wire Wire Line
+ 6650 2000 7100 2000
+Wire Wire Line
+ 5950 1550 5950 1150
+Wire Wire Line
+ 5950 1150 7200 1150
+Wire Wire Line
+ 7200 1150 7200 3550
+Wire Wire Line
+ 5950 2450 5950 2750
+Wire Wire Line
+ 5950 2750 6700 2750
+Wire Wire Line
+ 5350 2100 5550 2100
+Wire Wire Line
+ 4800 2100 5050 2100
+Wire Wire Line
+ 4750 1200 4750 1450
+Wire Wire Line
+ 5250 1200 5250 1450
+Wire Wire Line
+ 5250 850 5250 900
+Connection ~ 5550 850
+Wire Wire Line
+ 4750 900 4750 600
+Wire Wire Line
+ 4750 600 5550 600
+Wire Wire Line
+ 5450 2100 5450 2400
+Connection ~ 5450 2100
+Wire Wire Line
+ 5450 2700 5450 2950
+Wire Wire Line
+ 4950 2100 4950 3350
+Wire Wire Line
+ 4950 3350 5450 3350
+Connection ~ 4950 2100
+Wire Wire Line
+ 7000 3350 5750 3350
+Connection ~ 7000 2000
+Wire Wire Line
+ 8950 700 8950 1950
+Wire Wire Line
+ 8650 950 9300 950
+Wire Wire Line
+ 9600 950 10400 950
+Wire Wire Line
+ 10400 950 10400 3450
+Wire Wire Line
+ 10050 2100 10800 2100
+Wire Wire Line
+ 9350 1650 9350 1250
+Wire Wire Line
+ 9350 1250 10600 1250
+Wire Wire Line
+ 10600 1250 10600 3650
+Wire Wire Line
+ 9350 2550 9350 2850
+Wire Wire Line
+ 9350 2850 10100 2850
+Wire Wire Line
+ 8750 2200 8950 2200
+Wire Wire Line
+ 8200 2200 8450 2200
+Wire Wire Line
+ 8150 1300 8150 1550
+Wire Wire Line
+ 8650 1300 8650 1550
+Wire Wire Line
+ 8650 950 8650 1000
+Connection ~ 8950 950
+Wire Wire Line
+ 8150 1000 8150 700
+Wire Wire Line
+ 8150 700 8950 700
+Wire Wire Line
+ 8850 2200 8850 2500
+Connection ~ 8850 2200
+Wire Wire Line
+ 8850 2800 8850 3050
+Wire Wire Line
+ 8350 2200 8350 3450
+Wire Wire Line
+ 8350 3450 8850 3450
+Connection ~ 8350 2200
+Wire Wire Line
+ 10400 3450 9150 3450
+Connection ~ 10400 2100
+Wire Wire Line
+ 2150 4200 2150 5450
+Wire Wire Line
+ 1850 4450 2500 4450
+Wire Wire Line
+ 2800 4450 3600 4450
+Wire Wire Line
+ 3600 4450 3600 6950
+Wire Wire Line
+ 3250 5600 5350 5600
+Wire Wire Line
+ 2550 5150 2550 4750
+Wire Wire Line
+ 2550 4750 3800 4750
+Wire Wire Line
+ 3800 4750 3800 6350
+Wire Wire Line
+ 2550 6050 2550 6350
+Wire Wire Line
+ 2550 6350 3300 6350
+Wire Wire Line
+ 1950 5700 2150 5700
+Wire Wire Line
+ 1400 5700 1650 5700
+Wire Wire Line
+ 1350 4800 1350 5050
+Wire Wire Line
+ 1850 4800 1850 5050
+Wire Wire Line
+ 1850 4450 1850 4500
+Connection ~ 2150 4450
+Wire Wire Line
+ 1350 4500 1350 4200
+Wire Wire Line
+ 1350 4200 2150 4200
+Wire Wire Line
+ 2050 5700 2050 6000
+Connection ~ 2050 5700
+Wire Wire Line
+ 2050 6300 2050 6550
+Wire Wire Line
+ 1550 5700 1550 6950
+Wire Wire Line
+ 1550 6950 2050 6950
+Connection ~ 1550 5700
+Wire Wire Line
+ 3600 6950 2350 6950
+Connection ~ 3600 5600
+Wire Wire Line
+ 1100 5700 800 5700
+Wire Wire Line
+ 800 5700 800 4250
+Wire Wire Line
+ 800 4250 10800 4250
+Wire Wire Line
+ 10800 4250 10800 2100
+Wire Wire Line
+ 7900 2200 7100 2200
+Wire Wire Line
+ 7100 2200 7100 2000
+Wire Wire Line
+ 4500 2100 3700 2100
+Wire Wire Line
+ 3700 2100 3700 2050
+Wire Wire Line
+ 3300 6350 3300 2800
+Wire Wire Line
+ 3200 4150 6700 4150
+Wire Wire Line
+ 6700 4150 6700 2750
+Wire Wire Line
+ 3200 4150 3200 4050
+Wire Wire Line
+ 3200 4050 10100 4050
+Wire Wire Line
+ 10100 4050 10100 2850
+Connection ~ 3300 4150
+Wire Wire Line
+ 7200 3550 3700 3550
+Wire Wire Line
+ 10600 3650 3800 3650
+Connection ~ 3800 3550
+Wire Wire Line
+ 3800 6350 4500 6350
+Wire Wire Line
+ 4500 6350 4500 4600
+Wire Wire Line
+ 4500 4600 4050 4600
+Wire Wire Line
+ 4050 4600 4050 3750
+Wire Wire Line
+ 4050 3750 3700 3750
+Wire Wire Line
+ 3700 3750 3700 3550
+$Comp
+L PORT U1
+U 1 1 682876E9
+P 650 2000
+F 0 "U1" H 700 2100 30 0000 C CNN
+F 1 "PORT" H 650 2000 30 0000 C CNN
+F 2 "" H 650 2000 60 0000 C CNN
+F 3 "" H 650 2000 60 0000 C CNN
+ 1 650 2000
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 68287794
+P 650 2600
+F 0 "U1" H 700 2700 30 0000 C CNN
+F 1 "PORT" H 650 2600 30 0000 C CNN
+F 2 "" H 650 2600 60 0000 C CNN
+F 3 "" H 650 2600 60 0000 C CNN
+ 2 650 2600
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 682877FB
+P 650 2900
+F 0 "U1" H 700 3000 30 0000 C CNN
+F 1 "PORT" H 650 2900 30 0000 C CNN
+F 2 "" H 650 2900 60 0000 C CNN
+F 3 "" H 650 2900 60 0000 C CNN
+ 3 650 2900
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 6828787C
+P 5600 5600
+F 0 "U1" H 5650 5700 30 0000 C CNN
+F 1 "PORT" H 5600 5600 30 0000 C CNN
+F 2 "" H 5600 5600 60 0000 C CNN
+F 3 "" H 5600 5600 60 0000 C CNN
+ 4 5600 5600
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 900 2000 900 2300
+Wire Wire Line
+ 900 2300 750 2300
+Wire Wire Line
+ 750 2300 750 2150
+Wire Wire Line
+ 900 2600 3550 2600
+Wire Wire Line
+ 3550 2600 3550 3550
+Wire Wire Line
+ 3550 3550 3800 3550
+Wire Wire Line
+ 900 2900 1600 2900
+Wire Wire Line
+ 1600 2900 1600 4000
+Wire Wire Line
+ 1600 4000 3300 4000
+Wire Wire Line
+ 3300 4000 3300 4150
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/LTC156531.cir b/library/SubcircuitLibrary/LTC156531.cir
new file mode 100644
index 00000000..f80a7557
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531.cir
@@ -0,0 +1,41 @@
+* E:\ESIM\FOSSEE\eSim\library\SubcircuitLibrary\LTC156531\LTC156531.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/28/25 21:05:57
+
+* 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: /
+X1 ? Net-_C1-Pad1_ Net-_C3-Pad1_ Net-_U1-Pad4_ ? Net-_R6-Pad2_ Net-_U1-Pad3_ ? lm_741
+R2 Net-_R2-Pad1_ Net-_C3-Pad1_ 350
+C3 Net-_C3-Pad1_ GND 0.01u
+R6 Net-_C1-Pad1_ Net-_R6-Pad2_ 10k
+R4 Net-_C1-Pad1_ GND 10k
+C1 Net-_C1-Pad1_ GND 0.0001u
+X3 ? Net-_C6-Pad1_ Net-_C7-Pad1_ Net-_U1-Pad4_ ? Net-_C8-Pad1_ Net-_U1-Pad3_ ? lm_741
+R8 Net-_R6-Pad2_ Net-_C8-Pad2_ 350
+R9 Net-_C8-Pad2_ Net-_C7-Pad1_ 350
+C7 Net-_C7-Pad1_ GND 0.01u
+C8 Net-_C8-Pad1_ Net-_C8-Pad2_ 0.01u
+R11 Net-_C6-Pad1_ Net-_C8-Pad1_ 15.55k
+R10 Net-_C6-Pad1_ GND 10k
+C6 Net-_C6-Pad1_ GND 0.003u
+X4 ? Net-_C9-Pad1_ Net-_C10-Pad1_ Net-_U1-Pad4_ ? Net-_C11-Pad1_ Net-_U1-Pad3_ ? lm_741
+R12 Net-_C8-Pad1_ Net-_C11-Pad2_ 350
+R13 Net-_C11-Pad2_ Net-_C10-Pad1_ 350
+C10 Net-_C10-Pad1_ GND 0.01u
+C11 Net-_C11-Pad1_ Net-_C11-Pad2_ 0.01u
+R15 Net-_C9-Pad1_ Net-_C11-Pad1_ 7.53k
+R14 Net-_C9-Pad1_ GND 10k
+C9 Net-_C9-Pad1_ GND 0.005u
+X2 ? Net-_C2-Pad1_ Net-_C4-Pad1_ Net-_U1-Pad4_ ? Net-_C5-Pad1_ Net-_U1-Pad3_ ? lm_741
+R1 Net-_C11-Pad1_ Net-_C5-Pad2_ 350
+R3 Net-_C5-Pad2_ Net-_C4-Pad1_ 350
+C4 Net-_C4-Pad1_ GND 0.01u
+C5 Net-_C5-Pad1_ Net-_C5-Pad2_ 0.01u
+R7 Net-_C2-Pad1_ Net-_C5-Pad1_ 1.98k
+R5 Net-_C2-Pad1_ GND 10k
+C2 Net-_C2-Pad1_ GND 0.007u
+U1 Net-_R2-Pad1_ GND Net-_U1-Pad3_ Net-_U1-Pad4_ GND GND Net-_C5-Pad1_ GND PORT
+
+.end
diff --git a/library/SubcircuitLibrary/LTC156531.cir.out b/library/SubcircuitLibrary/LTC156531.cir.out
new file mode 100644
index 00000000..af041179
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531.cir.out
@@ -0,0 +1,43 @@
+* e:\esim\fossee\esim\library\subcircuitlibrary\ltc156531\ltc156531.cir
+
+.include lm_741.sub
+x1 ? net-_c1-pad1_ net-_c3-pad1_ net-_u1-pad4_ ? net-_r6-pad2_ net-_u1-pad3_ ? lm_741
+r2 net-_r2-pad1_ net-_c3-pad1_ 350
+c3 net-_c3-pad1_ gnd 0.01u
+r6 net-_c1-pad1_ net-_r6-pad2_ 10k
+r4 net-_c1-pad1_ gnd 10k
+c1 net-_c1-pad1_ gnd 0.0001u
+x3 ? net-_c6-pad1_ net-_c7-pad1_ net-_u1-pad4_ ? net-_c8-pad1_ net-_u1-pad3_ ? lm_741
+r8 net-_r6-pad2_ net-_c8-pad2_ 350
+r9 net-_c8-pad2_ net-_c7-pad1_ 350
+c7 net-_c7-pad1_ gnd 0.01u
+c8 net-_c8-pad1_ net-_c8-pad2_ 0.01u
+r11 net-_c6-pad1_ net-_c8-pad1_ 15.55k
+r10 net-_c6-pad1_ gnd 10k
+c6 net-_c6-pad1_ gnd 0.003u
+x4 ? net-_c9-pad1_ net-_c10-pad1_ net-_u1-pad4_ ? net-_c11-pad1_ net-_u1-pad3_ ? lm_741
+r12 net-_c8-pad1_ net-_c11-pad2_ 350
+r13 net-_c11-pad2_ net-_c10-pad1_ 350
+c10 net-_c10-pad1_ gnd 0.01u
+c11 net-_c11-pad1_ net-_c11-pad2_ 0.01u
+r15 net-_c9-pad1_ net-_c11-pad1_ 7.53k
+r14 net-_c9-pad1_ gnd 10k
+c9 net-_c9-pad1_ gnd 0.005u
+x2 ? net-_c2-pad1_ net-_c4-pad1_ net-_u1-pad4_ ? net-_c5-pad1_ net-_u1-pad3_ ? lm_741
+r1 net-_c11-pad1_ net-_c5-pad2_ 350
+r3 net-_c5-pad2_ net-_c4-pad1_ 350
+c4 net-_c4-pad1_ gnd 0.01u
+c5 net-_c5-pad1_ net-_c5-pad2_ 0.01u
+r7 net-_c2-pad1_ net-_c5-pad1_ 1.98k
+r5 net-_c2-pad1_ gnd 10k
+c2 net-_c2-pad1_ gnd 0.007u
+* u1 net-_r2-pad1_ gnd net-_u1-pad3_ net-_u1-pad4_ gnd gnd net-_c5-pad1_ gnd port
+.ac lin 0 0Hz 0Hz
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/LTC156531.pro b/library/SubcircuitLibrary/LTC156531.pro
new file mode 100644
index 00000000..22f2d439
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531.pro
@@ -0,0 +1,71 @@
+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
diff --git a/library/SubcircuitLibrary/LTC156531.sch b/library/SubcircuitLibrary/LTC156531.sch
new file mode 100644
index 00000000..cf1825df
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531.sch
@@ -0,0 +1,892 @@
+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:LTC156531-cache
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L lm_741 X1
+U 1 1 6828767C
+P 2700 2050
+F 0 "X1" H 2500 2050 60 0000 C CNN
+F 1 "lm_741" H 2600 1800 60 0000 C CNN
+F 2 "" H 2700 2050 60 0000 C CNN
+F 3 "" H 2700 2050 60 0000 C CNN
+ 1 2700 2050
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R2
+U 1 1 6828767D
+P 1750 2200
+F 0 "R2" H 1800 2330 50 0000 C CNN
+F 1 "350" H 1800 2150 50 0000 C CNN
+F 2 "" H 1800 2180 30 0000 C CNN
+F 3 "" V 1800 2250 30 0000 C CNN
+ 1 1750 2200
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C3
+U 1 1 6828767E
+P 2050 2600
+F 0 "C3" H 2075 2700 50 0000 L CNN
+F 1 "0.01u" H 2075 2500 50 0000 L CNN
+F 2 "" H 2088 2450 30 0000 C CNN
+F 3 "" H 2050 2600 60 0000 C CNN
+ 1 2050 2600
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R6
+U 1 1 6828767F
+P 2600 950
+F 0 "R6" H 2650 1080 50 0000 C CNN
+F 1 "10k" H 2650 900 50 0000 C CNN
+F 2 "" H 2650 930 30 0000 C CNN
+F 3 "" V 2650 1000 30 0000 C CNN
+ 1 2600 950
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R4
+U 1 1 68287680
+P 1800 1050
+F 0 "R4" H 1850 1180 50 0000 C CNN
+F 1 "10k" H 1850 1000 50 0000 C CNN
+F 2 "" H 1850 1030 30 0000 C CNN
+F 3 "" V 1850 1100 30 0000 C CNN
+ 1 1800 1050
+ 0 1 1 0
+$EndComp
+$Comp
+L capacitor C1
+U 1 1 68287681
+P 1350 1100
+F 0 "C1" H 1375 1200 50 0000 L CNN
+F 1 "0.0001u" H 1375 1000 50 0000 L CNN
+F 2 "" H 1388 950 30 0000 C CNN
+F 3 "" H 1350 1100 60 0000 C CNN
+ 1 1350 1100
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR01
+U 1 1 68287682
+P 2050 3000
+F 0 "#PWR01" H 2050 2750 50 0001 C CNN
+F 1 "GND" H 2050 2850 50 0000 C CNN
+F 2 "" H 2050 3000 50 0001 C CNN
+F 3 "" H 2050 3000 50 0001 C CNN
+ 1 2050 3000
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR02
+U 1 1 68287683
+P 1850 1500
+F 0 "#PWR02" H 1850 1250 50 0001 C CNN
+F 1 "GND" H 1850 1350 50 0000 C CNN
+F 2 "" H 1850 1500 50 0001 C CNN
+F 3 "" H 1850 1500 50 0001 C CNN
+ 1 1850 1500
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR03
+U 1 1 68287684
+P 1350 1500
+F 0 "#PWR03" H 1350 1250 50 0001 C CNN
+F 1 "GND" H 1350 1350 50 0000 C CNN
+F 2 "" H 1350 1500 50 0001 C CNN
+F 3 "" H 1350 1500 50 0001 C CNN
+ 1 1350 1500
+ 1 0 0 -1
+$EndComp
+NoConn ~ 2650 1650
+NoConn ~ 2750 1700
+NoConn ~ 2850 2350
+$Comp
+L lm_741 X3
+U 1 1 68287685
+P 6100 2000
+F 0 "X3" H 5900 2000 60 0000 C CNN
+F 1 "lm_741" H 6000 1750 60 0000 C CNN
+F 2 "" H 6100 2000 60 0000 C CNN
+F 3 "" H 6100 2000 60 0000 C CNN
+ 1 6100 2000
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R8
+U 1 1 68287686
+P 4600 2150
+F 0 "R8" H 4650 2280 50 0000 C CNN
+F 1 "350" H 4650 2100 50 0000 C CNN
+F 2 "" H 4650 2130 30 0000 C CNN
+F 3 "" V 4650 2200 30 0000 C CNN
+ 1 4600 2150
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R9
+U 1 1 68287687
+P 5150 2150
+F 0 "R9" H 5200 2280 50 0000 C CNN
+F 1 "350" H 5200 2100 50 0000 C CNN
+F 2 "" H 5200 2130 30 0000 C CNN
+F 3 "" V 5200 2200 30 0000 C CNN
+ 1 5150 2150
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C7
+U 1 1 68287688
+P 5450 2550
+F 0 "C7" H 5475 2650 50 0000 L CNN
+F 1 "0.01u" H 5475 2450 50 0000 L CNN
+F 2 "" H 5488 2400 30 0000 C CNN
+F 3 "" H 5450 2550 60 0000 C CNN
+ 1 5450 2550
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C8
+U 1 1 68287689
+P 5600 3350
+F 0 "C8" H 5625 3450 50 0000 L CNN
+F 1 "0.01u" H 5625 3250 50 0000 L CNN
+F 2 "" H 5638 3200 30 0000 C CNN
+F 3 "" H 5600 3350 60 0000 C CNN
+ 1 5600 3350
+ 0 1 1 0
+$EndComp
+$Comp
+L resistor R11
+U 1 1 6828768A
+P 6000 900
+F 0 "R11" H 6050 1030 50 0000 C CNN
+F 1 "15.55k" H 6050 850 50 0000 C CNN
+F 2 "" H 6050 880 30 0000 C CNN
+F 3 "" V 6050 950 30 0000 C CNN
+ 1 6000 900
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R10
+U 1 1 6828768B
+P 5200 1000
+F 0 "R10" H 5250 1130 50 0000 C CNN
+F 1 "10k" H 5250 950 50 0000 C CNN
+F 2 "" H 5250 980 30 0000 C CNN
+F 3 "" V 5250 1050 30 0000 C CNN
+ 1 5200 1000
+ 0 1 1 0
+$EndComp
+$Comp
+L capacitor C6
+U 1 1 6828768C
+P 4750 1050
+F 0 "C6" H 4775 1150 50 0000 L CNN
+F 1 "0.003u" H 4775 950 50 0000 L CNN
+F 2 "" H 4788 900 30 0000 C CNN
+F 3 "" H 4750 1050 60 0000 C CNN
+ 1 4750 1050
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR04
+U 1 1 6828768D
+P 5450 2950
+F 0 "#PWR04" H 5450 2700 50 0001 C CNN
+F 1 "GND" H 5450 2800 50 0000 C CNN
+F 2 "" H 5450 2950 50 0001 C CNN
+F 3 "" H 5450 2950 50 0001 C CNN
+ 1 5450 2950
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR05
+U 1 1 6828768E
+P 5250 1450
+F 0 "#PWR05" H 5250 1200 50 0001 C CNN
+F 1 "GND" H 5250 1300 50 0000 C CNN
+F 2 "" H 5250 1450 50 0001 C CNN
+F 3 "" H 5250 1450 50 0001 C CNN
+ 1 5250 1450
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR06
+U 1 1 6828768F
+P 4750 1450
+F 0 "#PWR06" H 4750 1200 50 0001 C CNN
+F 1 "GND" H 4750 1300 50 0000 C CNN
+F 2 "" H 4750 1450 50 0001 C CNN
+F 3 "" H 4750 1450 50 0001 C CNN
+ 1 4750 1450
+ 1 0 0 -1
+$EndComp
+NoConn ~ 6050 1600
+NoConn ~ 6150 1650
+NoConn ~ 6250 2300
+$Comp
+L lm_741 X4
+U 1 1 68287690
+P 9500 2100
+F 0 "X4" H 9300 2100 60 0000 C CNN
+F 1 "lm_741" H 9400 1850 60 0000 C CNN
+F 2 "" H 9500 2100 60 0000 C CNN
+F 3 "" H 9500 2100 60 0000 C CNN
+ 1 9500 2100
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R12
+U 1 1 68287691
+P 8000 2250
+F 0 "R12" H 8050 2380 50 0000 C CNN
+F 1 "350" H 8050 2200 50 0000 C CNN
+F 2 "" H 8050 2230 30 0000 C CNN
+F 3 "" V 8050 2300 30 0000 C CNN
+ 1 8000 2250
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R13
+U 1 1 68287692
+P 8550 2250
+F 0 "R13" H 8600 2380 50 0000 C CNN
+F 1 "350" H 8600 2200 50 0000 C CNN
+F 2 "" H 8600 2230 30 0000 C CNN
+F 3 "" V 8600 2300 30 0000 C CNN
+ 1 8550 2250
+ 1 0 0 -1
+$EndComp
+$Comp
+L capacitor C10
+U 1 1 68287693
+P 8850 2650
+F 0 "C10" H 8875 2750 50 0000 L CNN
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+$Comp
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+F 3 "" V 1800 5800 30 0000 C CNN
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+U 1 1 6828769E
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+$EndComp
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+U 1 1 682876A1
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+ 1 1350 5050
+ 1 0 0 -1
+$EndComp
+NoConn ~ 2650 5200
+NoConn ~ 2750 5250
+NoConn ~ 2850 5900
+Wire Wire Line
+ 2150 650 2150 1900
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$EndComp
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diff --git a/library/SubcircuitLibrary/LTC156531.sub b/library/SubcircuitLibrary/LTC156531.sub
new file mode 100644
index 00000000..485a7cc5
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531.sub
@@ -0,0 +1,37 @@
+* Subcircuit LTC156531
+.subckt LTC156531 net-_r2-pad1_ gnd net-_u1-pad3_ net-_u1-pad4_ gnd gnd net-_c5-pad1_ gnd
+* e:\esim\fossee\esim\library\subcircuitlibrary\ltc156531\ltc156531.cir
+.include lm_741.sub
+x1 ? net-_c1-pad1_ net-_c3-pad1_ net-_u1-pad4_ ? net-_r6-pad2_ net-_u1-pad3_ ? lm_741
+r2 net-_r2-pad1_ net-_c3-pad1_ 350
+c3 net-_c3-pad1_ gnd 0.01u
+r6 net-_c1-pad1_ net-_r6-pad2_ 10k
+r4 net-_c1-pad1_ gnd 10k
+c1 net-_c1-pad1_ gnd 0.0001u
+x3 ? net-_c6-pad1_ net-_c7-pad1_ net-_u1-pad4_ ? net-_c8-pad1_ net-_u1-pad3_ ? lm_741
+r8 net-_r6-pad2_ net-_c8-pad2_ 350
+r9 net-_c8-pad2_ net-_c7-pad1_ 350
+c7 net-_c7-pad1_ gnd 0.01u
+c8 net-_c8-pad1_ net-_c8-pad2_ 0.01u
+r11 net-_c6-pad1_ net-_c8-pad1_ 15.55k
+r10 net-_c6-pad1_ gnd 10k
+c6 net-_c6-pad1_ gnd 0.003u
+x4 ? net-_c9-pad1_ net-_c10-pad1_ net-_u1-pad4_ ? net-_c11-pad1_ net-_u1-pad3_ ? lm_741
+r12 net-_c8-pad1_ net-_c11-pad2_ 350
+r13 net-_c11-pad2_ net-_c10-pad1_ 350
+c10 net-_c10-pad1_ gnd 0.01u
+c11 net-_c11-pad1_ net-_c11-pad2_ 0.01u
+r15 net-_c9-pad1_ net-_c11-pad1_ 7.53k
+r14 net-_c9-pad1_ gnd 10k
+c9 net-_c9-pad1_ gnd 0.005u
+x2 ? net-_c2-pad1_ net-_c4-pad1_ net-_u1-pad4_ ? net-_c5-pad1_ net-_u1-pad3_ ? lm_741
+r1 net-_c11-pad1_ net-_c5-pad2_ 350
+r3 net-_c5-pad2_ net-_c4-pad1_ 350
+c4 net-_c4-pad1_ gnd 0.01u
+c5 net-_c5-pad1_ net-_c5-pad2_ 0.01u
+r7 net-_c2-pad1_ net-_c5-pad1_ 1.98k
+r5 net-_c2-pad1_ gnd 10k
+c2 net-_c2-pad1_ gnd 0.007u
+* Control Statements
+
+.ends LTC156531 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/LTC156531_Previous_Values.xml b/library/SubcircuitLibrary/LTC156531_Previous_Values.xml
new file mode 100644
index 00000000..06624e6e
--- /dev/null
+++ b/library/SubcircuitLibrary/LTC156531_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model /><devicemodel /><subcircuit><x1><field>E:\ESIM\FOSSEE\eSim\library\SubcircuitLibrary\lm_741</field></x1><x3><field>E:\ESIM\FOSSEE\eSim\library\SubcircuitLibrary\lm_741</field></x3><x4><field>E:\ESIM\FOSSEE\eSim\library\SubcircuitLibrary\lm_741</field></x4><x2><field>E:\ESIM\FOSSEE\eSim\library\SubcircuitLibrary\lm_741</field></x2></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" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">Sec</field4><field5 name="Step Combo">Sec</field5><field6 name="Stop Combo">Sec</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-07-03 04:25:18 +0000