adding kicad analog and digital circuits

10 files changed, 1168 insertions, 0 deletions

diff --git a/analog circuits/rc coupled amplifier/fzt1049a.lib b/analog circuits/rc coupled amplifier/fzt1049a.lib
new file mode 100644
index 0000000..9aed971
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/fzt1049a.lib
@@ -0,0 +1 @@
+.model     FZT1049A  NPN IS=1.5E-12  NF=1.0  BF=600  IKF=7.5  VAF=100               ISE=0.9E-13  NE=1.25  NR=1.0  BR=150  IKR=3  VAR=15               ISC=5.0E-13  NC=1.76  RB=0.1  RE=0.018  RC=0.007               CJC=136E-12  CJE=550E-12  MJC=0.352  MJE=0.36          VJC=0.554   VJE=0.726  TF=400E-12  TR=6.9E-9
\ No newline at end of file
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier-cache.lib b/analog circuits/rc coupled amplifier/rc coupled amplifier-cache.lib
new file mode 100644
index 0000000..eb2b450
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier-cache.lib
@@ -0,0 +1,134 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# Device:C
+#
+DEF Device:C C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "Device:C" 25 -100 50 H V L CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ C_*
+$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 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device:R
+#
+DEF Device:R R 0 0 N Y 1 F N
+F0 "R" 80 0 50 V V C CNN
+F1 "Device:R" 0 0 50 V V C CNN
+F2 "" -70 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+$ENDFPLIST
+DRAW
+S -40 -100 40 100 0 1 10 N
+X ~ 1 0 150 50 D 50 50 1 1 P
+X ~ 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Transistor_BJT:BC547
+#
+DEF Transistor_BJT:BC547 Q 0 0 Y N 1 F N
+F0 "Q" 200 75 50 H V L CNN
+F1 "Transistor_BJT:BC547" 200 0 50 H V L CNN
+F2 "Package_TO_SOT_THT:TO-92_Inline" 200 -75 50 H I L CIN
+F3 "" 0 0 50 H I L CNN
+ALIAS BC546 BC548 BC549 BC550 BC337 BC338
+$FPLIST
+ TO?92*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0 0 0 25 0 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 0 200 R 50 50 1 1 I
+X E 3 100 -200 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# power:GND
+#
+DEF power:GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "power: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
+#
+# power:VDD
+#
+DEF power:VDD #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "power:VDD" 0 150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 0 75 25 0 1 0 N
+P 2 0 1 0 0 0 0 50 N
+X VDD 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# pspice:VSOURCE
+#
+DEF pspice:VSOURCE V 0 40 Y Y 1 F N
+F0 "V" -250 300 50 H V C CNN
+F1 "pspice:VSOURCE" 0 0 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 0 0 200 0 1 0 N
+T 0 -320 -10 50 0 0 1 V Normal 0 C C
+P 2 0 1 0 -250 -250 -250 150 F
+P 3 0 1 0 -300 150 -250 250 -200 150 F
+X E1 1 0 300 100 D 50 50 1 1 I
+X E2 2 0 -300 100 U 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# rc-coupled-amplifier-rescue:GND-sallen_key_schlib
+#
+DEF rc-coupled-amplifier-rescue:GND-sallen_key_schlib #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "rc-coupled-amplifier-rescue:GND-sallen_key_schlib" 0 -150 50 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V 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
+#
+# rc-coupled-amplifier-rescue:VDD-laser_driver_schlib
+#
+DEF rc-coupled-amplifier-rescue:VDD-laser_driver_schlib #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "rc-coupled-amplifier-rescue:VDD-laser_driver_schlib" 0 150 50 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+C 0 75 25 0 1 0 N
+P 2 0 1 0 0 0 0 50 N
+X VDD 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier-rescue.dcm b/analog circuits/rc coupled amplifier/rc coupled amplifier-rescue.dcm
new file mode 100644
index 0000000..5f3ed79
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier-rescue.dcm
@@ -0,0 +1,3 @@
+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier-rescue.lib b/analog circuits/rc coupled amplifier/rc coupled amplifier-rescue.lib
new file mode 100644
index 0000000..d915334
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier-rescue.lib
@@ -0,0 +1,69 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# GND-sallen_key_schlib
+#
+DEF GND-sallen_key_schlib #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND-sallen_key_schlib" 0 -150 50 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V 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
+#
+# Q_NPN_CBE-laser_driver_schlib
+#
+DEF Q_NPN_CBE-laser_driver_schlib Q 0 0 Y N 1 F N
+F0 "Q" 300 50 50 H V R CNN
+F1 "Q_NPN_CBE-laser_driver_schlib" 600 -50 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 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 I
+X E 3 100 -200 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# VDD-laser_driver_schlib
+#
+DEF VDD-laser_driver_schlib #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "VDD-laser_driver_schlib" 0 150 50 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+C 0 75 25 0 1 0 N
+P 2 0 1 0 0 0 0 50 N
+X VDD 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# VSOURCE-laser_driver_schlib
+#
+DEF ~VSOURCE-laser_driver_schlib V 0 40 Y Y 1 F N
+F0 "V" 200 200 50 H V C CNN
+F1 "VSOURCE-laser_driver_schlib" 250 100 50 H I C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+F4 "Value" 0 0 60 H I C CNN "Fieldname"
+F5 "V" 0 0 60 H I C CNN "Spice_Primitive"
+F6 "1 2" -300 200 60 H I C CNN "Spice_Node_Sequence"
+DRAW
+C 0 0 100 0 1 0 N
+P 2 0 1 0 0 -75 0 75 N
+P 4 0 1 0 0 75 -25 25 25 25 0 75 F
+X ~ 1 0 200 100 D 50 50 1 1 I
+X ~ 2 0 -200 100 U 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier.bak b/analog circuits/rc coupled amplifier/rc coupled amplifier.bak
new file mode 100644
index 0000000..06d08d4
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier.bak
@@ -0,0 +1,449 @@
+EESchema Schematic File Version 4
+LIBS:rc coupled amplifier-cache
+EELAYER 26 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Device:C C1
+U 1 1 5B0E94FC
+P 4200 4100
+F 0 "C1" V 3948 4100 50  0000 C CNN
+F 1 "10u" V 4039 4100 50  0000 C CNN
+F 2 "" H 4238 3950 50  0001 C CNN
+F 3 "~" H 4200 4100 50  0001 C CNN
+	1    4200 4100
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R1
+U 1 1 5B0E9636
+P 5050 3200
+F 0 "R1" H 5120 3246 50  0000 L CNN
+F 1 "33k" H 5120 3155 50  0000 L CNN
+F 2 "" V 4980 3200 50  0001 C CNN
+F 3 "~" H 5050 3200 50  0001 C CNN
+	1    5050 3200
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R2
+U 1 1 5B0E9698
+P 5050 5050
+F 0 "R2" H 5120 5096 50  0000 L CNN
+F 1 "3.3k" H 5120 5005 50  0000 L CNN
+F 2 "" V 4980 5050 50  0001 C CNN
+F 3 "~" H 5050 5050 50  0001 C CNN
+	1    5050 5050
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R3
+U 1 1 5B0E96EF
+P 6000 3200
+F 0 "R3" H 6070 3246 50  0000 L CNN
+F 1 "1k" H 6070 3155 50  0000 L CNN
+F 2 "" V 5930 3200 50  0001 C CNN
+F 3 "~" H 6000 3200 50  0001 C CNN
+	1    6000 3200
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R4
+U 1 1 5B0E9773
+P 6000 5000
+F 0 "R4" H 6070 5046 50  0000 L CNN
+F 1 "330" H 6070 4955 50  0000 L CNN
+F 2 "" V 5930 5000 50  0001 C CNN
+F 3 "~" H 6000 5000 50  0001 C CNN
+	1    6000 5000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C2
+U 1 1 5B0E97EC
+P 6750 5000
+F 0 "C2" H 6635 4954 50  0000 R CNN
+F 1 "100u" H 6635 5045 50  0000 R CNN
+F 2 "" H 6788 4850 50  0001 C CNN
+F 3 "~" H 6750 5000 50  0001 C CNN
+	1    6750 5000
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:C C3
+U 1 1 5B0E985D
+P 7250 3750
+F 0 "C3" V 6998 3750 50  0000 C CNN
+F 1 "10u" V 7089 3750 50  0000 C CNN
+F 2 "" H 7288 3600 50  0001 C CNN
+F 3 "~" H 7250 3750 50  0001 C CNN
+	1    7250 3750
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R5
+U 1 1 5B0E9940
+P 7800 3250
+F 0 "R5" H 7870 3296 50  0000 L CNN
+F 1 "33k" H 7870 3205 50  0000 L CNN
+F 2 "" V 7730 3250 50  0001 C CNN
+F 3 "~" H 7800 3250 50  0001 C CNN
+	1    7800 3250
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R6
+U 1 1 5B0E99CA
+P 7850 4850
+F 0 "R6" H 7920 4896 50  0000 L CNN
+F 1 "3.3k" H 7920 4805 50  0000 L CNN
+F 2 "" V 7780 4850 50  0001 C CNN
+F 3 "~" H 7850 4850 50  0001 C CNN
+	1    7850 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R7
+U 1 1 5B0E9A36
+P 8300 3250
+F 0 "R7" H 8370 3296 50  0000 L CNN
+F 1 "1k" H 8370 3205 50  0000 L CNN
+F 2 "" V 8230 3250 50  0001 C CNN
+F 3 "~" H 8300 3250 50  0001 C CNN
+	1    8300 3250
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R8
+U 1 1 5B0E9AB9
+P 8400 4850
+F 0 "R8" H 8470 4896 50  0000 L CNN
+F 1 "330" H 8470 4805 50  0000 L CNN
+F 2 "" V 8330 4850 50  0001 C CNN
+F 3 "~" H 8400 4850 50  0001 C CNN
+	1    8400 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C4
+U 1 1 5B0E9B21
+P 8900 4800
+F 0 "C4" H 8785 4754 50  0000 R CNN
+F 1 "100u" H 8785 4845 50  0000 R CNN
+F 2 "" H 8938 4650 50  0001 C CNN
+F 3 "~" H 8900 4800 50  0001 C CNN
+	1    8900 4800
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:C C5
+U 1 1 5B0E9BB0
+P 9300 3650
+F 0 "C5" V 9048 3650 50  0000 C CNN
+F 1 "10u" V 9139 3650 50  0000 C CNN
+F 2 "" H 9338 3500 50  0001 C CNN
+F 3 "~" H 9300 3650 50  0001 C CNN
+	1    9300 3650
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	3100 4450 3100 4100
+Wire Wire Line
+	3100 4100 4050 4100
+Wire Wire Line
+	4350 4100 5050 4100
+Wire Wire Line
+	5050 4900 5050 4100
+Connection ~ 5050 4100
+Wire Wire Line
+	5050 4100 5700 4100
+Wire Wire Line
+	5050 4100 5050 3350
+Wire Wire Line
+	5050 3050 6000 3050
+Wire Wire Line
+	6000 5150 6000 5450
+Wire Wire Line
+	6000 5450 5050 5450
+Wire Wire Line
+	5050 5450 5050 5200
+Wire Wire Line
+	6000 4700 6750 4700
+Wire Wire Line
+	6750 4700 6750 4850
+Connection ~ 6000 4700
+Wire Wire Line
+	6000 4700 6000 4850
+Wire Wire Line
+	6750 5150 6750 5450
+Wire Wire Line
+	6750 5450 6000 5450
+Connection ~ 6000 5450
+Wire Wire Line
+	7400 3750 7400 4050
+Wire Wire Line
+	7400 4050 7850 4050
+Wire Wire Line
+	7800 3400 7850 3400
+Wire Wire Line
+	7850 3400 7850 4050
+Connection ~ 7850 4050
+Wire Wire Line
+	7850 4050 8050 4050
+Wire Wire Line
+	7850 4050 7850 4700
+Wire Wire Line
+	7850 5000 7850 5250
+Wire Wire Line
+	7850 5250 8400 5250
+Wire Wire Line
+	8400 5250 8400 5000
+Wire Wire Line
+	8400 4250 8350 4250
+Wire Wire Line
+	8350 3850 8350 3650
+Wire Wire Line
+	8350 3400 8300 3400
+Wire Wire Line
+	8300 3100 8100 3100
+Wire Wire Line
+	8400 5250 8900 5250
+Wire Wire Line
+	8900 5250 8900 4950
+Connection ~ 8400 5250
+Wire Wire Line
+	8900 4650 8400 4650
+Wire Wire Line
+	8400 4250 8400 4650
+Connection ~ 8400 4650
+Wire Wire Line
+	8400 4650 8400 4700
+$Comp
+L Device:R R9
+U 1 1 5B0EB831
+P 9650 4350
+F 0 "R9" H 9720 4396 50  0000 L CNN
+F 1 "4.7k" H 9720 4305 50  0000 L CNN
+F 2 "" V 9580 4350 50  0001 C CNN
+F 3 "~" H 9650 4350 50  0001 C CNN
+	1    9650 4350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8900 5250 9650 5250
+Wire Wire Line
+	9650 5250 9650 4500
+Connection ~ 8900 5250
+Wire Wire Line
+	9650 4200 9650 3650
+Wire Wire Line
+	9650 3650 9450 3650
+Wire Wire Line
+	9150 3650 8350 3650
+Connection ~ 8350 3650
+Wire Wire Line
+	8350 3650 8350 3400
+Wire Wire Line
+	6000 3050 6800 3050
+Connection ~ 6000 3050
+$Comp
+L power:GND #PWR02
+U 1 1 5B0ECE4E
+P 6000 5750
+F 0 "#PWR02" H 6000 5500 50  0001 C CNN
+F 1 "GND" H 6005 5577 50  0000 C CNN
+F 2 "" H 6000 5750 50  0001 C CNN
+F 3 "" H 6000 5750 50  0001 C CNN
+	1    6000 5750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6000 5750 6000 5450
+$Comp
+L power:GND #PWR04
+U 1 1 5B0ED5C5
+P 8400 5700
+F 0 "#PWR04" H 8400 5450 50  0001 C CNN
+F 1 "GND" H 8405 5527 50  0000 C CNN
+F 2 "" H 8400 5700 50  0001 C CNN
+F 3 "" H 8400 5700 50  0001 C CNN
+	1    8400 5700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8400 5700 8400 5250
+$Comp
+L power:GND #PWR01
+U 1 1 5B0EE8B4
+P 3100 5400
+F 0 "#PWR01" H 3100 5150 50  0001 C CNN
+F 1 "GND" H 3105 5227 50  0000 C CNN
+F 2 "" H 3100 5400 50  0001 C CNN
+F 3 "" H 3100 5400 50  0001 C CNN
+	1    3100 5400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7000 2300 6800 2300
+Wire Wire Line
+	6800 2300 6800 3050
+Text GLabel 2750 3650 0    50   Input ~ 0
+ip
+Wire Wire Line
+	2750 3650 3100 3650
+Wire Wire Line
+	3100 3650 3100 4100
+Connection ~ 3100 4100
+Text GLabel 10250 3350 0    50   Output ~ 0
+out
+Wire Wire Line
+	10250 3350 10350 3350
+Wire Wire Line
+	10350 3350 10350 2850
+Wire Wire Line
+	10350 2850 9650 2850
+Wire Wire Line
+	9650 2850 9650 3650
+Connection ~ 9650 3650
+$Comp
+L power:VDD #PWR03
+U 1 1 5B0F67A6
+P 7000 2050
+F 0 "#PWR03" H 7000 1900 50  0001 C CNN
+F 1 "VDD" H 7017 2223 50  0000 C CNN
+F 2 "" H 7000 2050 50  0001 C CNN
+F 3 "" H 7000 2050 50  0001 C CNN
+	1    7000 2050
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7000 2300 7000 2050
+$Comp
+L rc-coupled-amplifier-rescue:GND-sallen_key_schlib #PWR06
+U 1 1 5B103264
+P 9400 2100
+F 0 "#PWR06" H 9400 1850 50  0001 C CNN
+F 1 "GND" H 9405 1927 50  0000 C CNN
+F 2 "" H 9400 2100 50  0000 C CNN
+F 3 "" H 9400 2100 50  0000 C CNN
+	1    9400 2100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9650 1600 9650 1650
+$Comp
+L rc-coupled-amplifier-rescue:VDD-laser_driver_schlib #PWR07
+U 1 1 578903C0
+P 9650 1600
+F 0 "#PWR07" H 9650 1450 50  0001 C CNN
+F 1 "VDD" H 9667 1773 50  0000 C CNN
+F 2 "" H 9650 1600 50  0000 C CNN
+F 3 "" H 9650 1600 50  0000 C CNN
+	1    9650 1600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6000 3350 6000 3750
+Wire Wire Line
+	7100 3750 6000 3750
+Wire Wire Line
+	6000 4300 6000 4700
+Connection ~ 6000 3750
+Wire Wire Line
+	6000 3750 6000 3900
+Wire Wire Line
+	9650 2050 9650 2150
+Wire Wire Line
+	9650 2150 9550 2150
+Wire Wire Line
+	9550 2150 9550 2100
+Wire Wire Line
+	9550 2100 9400 2100
+$Comp
+L pspice:VSOURCE V1
+U 1 1 5B10E6BB
+P 3100 4750
+F 0 "V1" H 3328 4796 50  0000 L CNN
+F 1 "VSOURCE" H 3328 4705 50  0000 L CNN
+F 2 "" H 3100 4750 50  0001 C CNN
+F 3 "" H 3100 4750 50  0001 C CNN
+F 4 "V" H 3100 4750 50  0001 C CNN "Spice_Primitive"
+F 5 "ac 20 0" H 3100 4750 50  0001 C CNN "Spice_Model"
+F 6 "Y" H 3100 4750 50  0001 C CNN "Spice_Netlist_Enabled"
+	1    3100 4750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3100 5400 3100 5050
+$Comp
+L pspice:VSOURCE V2
+U 1 1 5B110487
+P 9050 1750
+F 0 "V2" H 9278 1796 50  0000 L CNN
+F 1 "VSOURCE" H 9278 1705 50  0000 L CNN
+F 2 "" H 9050 1750 50  0001 C CNN
+F 3 "" H 9050 1750 50  0001 C CNN
+F 4 "V" H 9050 1750 50  0001 C CNN "Spice_Primitive"
+F 5 "dc 25" H 9050 1750 50  0001 C CNN "Spice_Model"
+F 6 "Y" H 9050 1750 50  0001 C CNN "Spice_Netlist_Enabled"
+	1    9050 1750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9050 2050 9650 2050
+Wire Wire Line
+	9050 1450 9400 1450
+Wire Wire Line
+	9400 1450 9400 1650
+Wire Wire Line
+	9400 1650 9650 1650
+Wire Wire Line
+	6800 2300 6800 1600
+Wire Wire Line
+	6800 1600 8100 1600
+Wire Wire Line
+	8100 1600 8100 3100
+Connection ~ 6800 2300
+Connection ~ 8100 3100
+Wire Wire Line
+	8100 3100 7800 3100
+$Comp
+L Transistor_BJT:BC547 Q1
+U 1 1 5B11CD51
+P 5900 4100
+F 0 "Q1" H 6091 4146 50  0000 L CNN
+F 1 "BC547" H 6091 4055 50  0000 L CNN
+F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6100 4025 50  0001 L CIN
+F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 5900 4100 50  0001 L CNN
+F 4 "V" H 5900 4100 50  0001 C CNN "Spice_Primitive"
+F 5 "Y" H 5900 4100 50  0001 C CNN "Spice_Netlist_Enabled"
+	1    5900 4100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Transistor_BJT:BC547 Q2
+U 1 1 5B11E104
+P 8250 4050
+F 0 "Q2" H 8441 4096 50  0000 L CNN
+F 1 "BC547" H 8441 4005 50  0000 L CNN
+F 2 "Package_TO_SOT_THT:TO-92_Inline" H 8450 3975 50  0001 L CIN
+F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 8250 4050 50  0001 L CNN
+F 4 "V" H 8250 4050 50  0001 C CNN "Spice_Primitive"
+F 5 "Y" H 8250 4050 50  0001 C CNN "Spice_Netlist_Enabled"
+	1    8250 4050
+	1    0    0    -1  
+$EndComp
+Text Notes 4750 6450 0    50   ~ 0
+.ac dec 10 1 1meg
+$EndSCHEMATC
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier.cir b/analog circuits/rc coupled amplifier/rc coupled amplifier.cir
new file mode 100644
index 0000000..a4200e6
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier.cir
@@ -0,0 +1,22 @@
+.title KiCad schematic
+.include "/home/akshay/kicad-source-mirror-master/demos/simulation/laser_driver/fzt1049a.lib"
+C1 Net-_C1-Pad1_ ip 10u
+R1 VDD Net-_C1-Pad1_ 33k
+R2 Net-_C1-Pad1_ GND 3.3k
+R3 VDD Net-_C3-Pad2_ 1k
+R4 Net-_C2-Pad2_ GND 330
+C2 GND Net-_C2-Pad2_ 100u
+C3 Net-_C3-Pad1_ Net-_C3-Pad2_ 10u
+R5 VDD Net-_C3-Pad1_ 33k
+R6 Net-_C3-Pad1_ GND 3.3k
+R7 VDD Net-_C5-Pad2_ 1k
+R8 Net-_C4-Pad2_ GND 330
+C4 GND Net-_C4-Pad2_ 100u
+C5 out Net-_C5-Pad2_ 10u
+R9 out GND 4.7k
+V1 ip GND ac 20 0
+V2 VDD GND dc 25
+Q1 Net-_C3-Pad2_ Net-_C1-Pad1_ Net-_C2-Pad2_ FZT1049A
+Q2 Net-_C5-Pad2_ Net-_C3-Pad1_ Net-_C4-Pad2_ FZT1049A
+.ac dec 10 1 1meg
+.end
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier.kicad_pcb b/analog circuits/rc coupled amplifier/rc coupled amplifier.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier.pro b/analog circuits/rc coupled amplifier/rc coupled amplifier.pro
new file mode 100644
index 0000000..152769c
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier.pro
@@ -0,0 +1,33 @@
+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]
diff --git a/analog circuits/rc coupled amplifier/rc coupled amplifier.sch b/analog circuits/rc coupled amplifier/rc coupled amplifier.sch
new file mode 100644
index 0000000..2bdaf6c
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/rc coupled amplifier.sch
@@ -0,0 +1,453 @@
+EESchema Schematic File Version 4
+LIBS:rc coupled amplifier-cache
+EELAYER 26 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Device:C C1
+U 1 1 5B0E94FC
+P 4200 4100
+F 0 "C1" V 3948 4100 50  0000 C CNN
+F 1 "10u" V 4039 4100 50  0000 C CNN
+F 2 "" H 4238 3950 50  0001 C CNN
+F 3 "~" H 4200 4100 50  0001 C CNN
+	1    4200 4100
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R1
+U 1 1 5B0E9636
+P 5050 3200
+F 0 "R1" H 5120 3246 50  0000 L CNN
+F 1 "33k" H 5120 3155 50  0000 L CNN
+F 2 "" V 4980 3200 50  0001 C CNN
+F 3 "~" H 5050 3200 50  0001 C CNN
+	1    5050 3200
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R2
+U 1 1 5B0E9698
+P 5050 5050
+F 0 "R2" H 5120 5096 50  0000 L CNN
+F 1 "3.3k" H 5120 5005 50  0000 L CNN
+F 2 "" V 4980 5050 50  0001 C CNN
+F 3 "~" H 5050 5050 50  0001 C CNN
+	1    5050 5050
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R3
+U 1 1 5B0E96EF
+P 6000 3200
+F 0 "R3" H 6070 3246 50  0000 L CNN
+F 1 "1k" H 6070 3155 50  0000 L CNN
+F 2 "" V 5930 3200 50  0001 C CNN
+F 3 "~" H 6000 3200 50  0001 C CNN
+	1    6000 3200
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R4
+U 1 1 5B0E9773
+P 6000 5000
+F 0 "R4" H 6070 5046 50  0000 L CNN
+F 1 "330" H 6070 4955 50  0000 L CNN
+F 2 "" V 5930 5000 50  0001 C CNN
+F 3 "~" H 6000 5000 50  0001 C CNN
+	1    6000 5000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C2
+U 1 1 5B0E97EC
+P 6750 5000
+F 0 "C2" H 6635 4954 50  0000 R CNN
+F 1 "100u" H 6635 5045 50  0000 R CNN
+F 2 "" H 6788 4850 50  0001 C CNN
+F 3 "~" H 6750 5000 50  0001 C CNN
+	1    6750 5000
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:C C3
+U 1 1 5B0E985D
+P 7250 3750
+F 0 "C3" V 6998 3750 50  0000 C CNN
+F 1 "10u" V 7089 3750 50  0000 C CNN
+F 2 "" H 7288 3600 50  0001 C CNN
+F 3 "~" H 7250 3750 50  0001 C CNN
+	1    7250 3750
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R5
+U 1 1 5B0E9940
+P 7800 3250
+F 0 "R5" H 7870 3296 50  0000 L CNN
+F 1 "33k" H 7870 3205 50  0000 L CNN
+F 2 "" V 7730 3250 50  0001 C CNN
+F 3 "~" H 7800 3250 50  0001 C CNN
+	1    7800 3250
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R6
+U 1 1 5B0E99CA
+P 7850 4850
+F 0 "R6" H 7920 4896 50  0000 L CNN
+F 1 "3.3k" H 7920 4805 50  0000 L CNN
+F 2 "" V 7780 4850 50  0001 C CNN
+F 3 "~" H 7850 4850 50  0001 C CNN
+	1    7850 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R7
+U 1 1 5B0E9A36
+P 8300 3250
+F 0 "R7" H 8370 3296 50  0000 L CNN
+F 1 "1k" H 8370 3205 50  0000 L CNN
+F 2 "" V 8230 3250 50  0001 C CNN
+F 3 "~" H 8300 3250 50  0001 C CNN
+	1    8300 3250
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R8
+U 1 1 5B0E9AB9
+P 8400 4850
+F 0 "R8" H 8470 4896 50  0000 L CNN
+F 1 "330" H 8470 4805 50  0000 L CNN
+F 2 "" V 8330 4850 50  0001 C CNN
+F 3 "~" H 8400 4850 50  0001 C CNN
+	1    8400 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C4
+U 1 1 5B0E9B21
+P 8900 4800
+F 0 "C4" H 8785 4754 50  0000 R CNN
+F 1 "100u" H 8785 4845 50  0000 R CNN
+F 2 "" H 8938 4650 50  0001 C CNN
+F 3 "~" H 8900 4800 50  0001 C CNN
+	1    8900 4800
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:C C5
+U 1 1 5B0E9BB0
+P 9300 3650
+F 0 "C5" V 9048 3650 50  0000 C CNN
+F 1 "10u" V 9139 3650 50  0000 C CNN
+F 2 "" H 9338 3500 50  0001 C CNN
+F 3 "~" H 9300 3650 50  0001 C CNN
+	1    9300 3650
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	3100 4450 3100 4100
+Wire Wire Line
+	3100 4100 4050 4100
+Wire Wire Line
+	4350 4100 5050 4100
+Wire Wire Line
+	5050 4900 5050 4100
+Connection ~ 5050 4100
+Wire Wire Line
+	5050 4100 5700 4100
+Wire Wire Line
+	5050 4100 5050 3350
+Wire Wire Line
+	5050 3050 6000 3050
+Wire Wire Line
+	6000 5150 6000 5450
+Wire Wire Line
+	6000 5450 5050 5450
+Wire Wire Line
+	5050 5450 5050 5200
+Wire Wire Line
+	6000 4700 6750 4700
+Wire Wire Line
+	6750 4700 6750 4850
+Connection ~ 6000 4700
+Wire Wire Line
+	6000 4700 6000 4850
+Wire Wire Line
+	6750 5150 6750 5450
+Wire Wire Line
+	6750 5450 6000 5450
+Connection ~ 6000 5450
+Wire Wire Line
+	7400 3750 7400 4050
+Wire Wire Line
+	7400 4050 7850 4050
+Wire Wire Line
+	7800 3400 7850 3400
+Wire Wire Line
+	7850 3400 7850 4050
+Connection ~ 7850 4050
+Wire Wire Line
+	7850 4050 8050 4050
+Wire Wire Line
+	7850 4050 7850 4700
+Wire Wire Line
+	7850 5000 7850 5250
+Wire Wire Line
+	7850 5250 8400 5250
+Wire Wire Line
+	8400 5250 8400 5000
+Wire Wire Line
+	8400 4250 8350 4250
+Wire Wire Line
+	8350 3850 8350 3650
+Wire Wire Line
+	8350 3400 8300 3400
+Wire Wire Line
+	8300 3100 8100 3100
+Wire Wire Line
+	8400 5250 8900 5250
+Wire Wire Line
+	8900 5250 8900 4950
+Connection ~ 8400 5250
+Wire Wire Line
+	8900 4650 8400 4650
+Wire Wire Line
+	8400 4250 8400 4650
+Connection ~ 8400 4650
+Wire Wire Line
+	8400 4650 8400 4700
+$Comp
+L Device:R R9
+U 1 1 5B0EB831
+P 9650 4350
+F 0 "R9" H 9720 4396 50  0000 L CNN
+F 1 "4.7k" H 9720 4305 50  0000 L CNN
+F 2 "" V 9580 4350 50  0001 C CNN
+F 3 "~" H 9650 4350 50  0001 C CNN
+	1    9650 4350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8900 5250 9650 5250
+Wire Wire Line
+	9650 5250 9650 4500
+Connection ~ 8900 5250
+Wire Wire Line
+	9650 4200 9650 3650
+Wire Wire Line
+	9650 3650 9450 3650
+Wire Wire Line
+	9150 3650 8350 3650
+Connection ~ 8350 3650
+Wire Wire Line
+	8350 3650 8350 3400
+Wire Wire Line
+	6000 3050 6800 3050
+Connection ~ 6000 3050
+$Comp
+L power:GND #PWR02
+U 1 1 5B0ECE4E
+P 6000 5750
+F 0 "#PWR02" H 6000 5500 50  0001 C CNN
+F 1 "GND" H 6005 5577 50  0000 C CNN
+F 2 "" H 6000 5750 50  0001 C CNN
+F 3 "" H 6000 5750 50  0001 C CNN
+	1    6000 5750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6000 5750 6000 5450
+$Comp
+L power:GND #PWR04
+U 1 1 5B0ED5C5
+P 8400 5700
+F 0 "#PWR04" H 8400 5450 50  0001 C CNN
+F 1 "GND" H 8405 5527 50  0000 C CNN
+F 2 "" H 8400 5700 50  0001 C CNN
+F 3 "" H 8400 5700 50  0001 C CNN
+	1    8400 5700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8400 5700 8400 5250
+$Comp
+L power:GND #PWR01
+U 1 1 5B0EE8B4
+P 3100 5400
+F 0 "#PWR01" H 3100 5150 50  0001 C CNN
+F 1 "GND" H 3105 5227 50  0000 C CNN
+F 2 "" H 3100 5400 50  0001 C CNN
+F 3 "" H 3100 5400 50  0001 C CNN
+	1    3100 5400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7000 2300 6800 2300
+Wire Wire Line
+	6800 2300 6800 3050
+Text GLabel 2750 3650 0    50   Input ~ 0
+ip
+Wire Wire Line
+	2750 3650 3100 3650
+Wire Wire Line
+	3100 3650 3100 4100
+Connection ~ 3100 4100
+Text GLabel 10250 3350 0    50   Output ~ 0
+out
+Wire Wire Line
+	10250 3350 10350 3350
+Wire Wire Line
+	10350 3350 10350 2850
+Wire Wire Line
+	10350 2850 9650 2850
+Wire Wire Line
+	9650 2850 9650 3650
+Connection ~ 9650 3650
+$Comp
+L power:VDD #PWR03
+U 1 1 5B0F67A6
+P 7000 2050
+F 0 "#PWR03" H 7000 1900 50  0001 C CNN
+F 1 "VDD" H 7017 2223 50  0000 C CNN
+F 2 "" H 7000 2050 50  0001 C CNN
+F 3 "" H 7000 2050 50  0001 C CNN
+	1    7000 2050
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7000 2300 7000 2050
+$Comp
+L rc-coupled-amplifier-rescue:GND-sallen_key_schlib #PWR06
+U 1 1 5B103264
+P 9400 2100
+F 0 "#PWR06" H 9400 1850 50  0001 C CNN
+F 1 "GND" H 9405 1927 50  0000 C CNN
+F 2 "" H 9400 2100 50  0000 C CNN
+F 3 "" H 9400 2100 50  0000 C CNN
+	1    9400 2100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9650 1600 9650 1650
+$Comp
+L rc-coupled-amplifier-rescue:VDD-laser_driver_schlib #PWR07
+U 1 1 578903C0
+P 9650 1600
+F 0 "#PWR07" H 9650 1450 50  0001 C CNN
+F 1 "VDD" H 9667 1773 50  0000 C CNN
+F 2 "" H 9650 1600 50  0000 C CNN
+F 3 "" H 9650 1600 50  0000 C CNN
+	1    9650 1600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6000 3350 6000 3750
+Wire Wire Line
+	7100 3750 6000 3750
+Wire Wire Line
+	6000 4300 6000 4700
+Connection ~ 6000 3750
+Wire Wire Line
+	6000 3750 6000 3900
+Wire Wire Line
+	9650 2050 9650 2150
+Wire Wire Line
+	9650 2150 9550 2150
+Wire Wire Line
+	9550 2150 9550 2100
+Wire Wire Line
+	9550 2100 9400 2100
+$Comp
+L pspice:VSOURCE V1
+U 1 1 5B10E6BB
+P 3100 4750
+F 0 "V1" H 3328 4796 50  0000 L CNN
+F 1 "VSOURCE" H 3328 4705 50  0000 L CNN
+F 2 "" H 3100 4750 50  0001 C CNN
+F 3 "" H 3100 4750 50  0001 C CNN
+F 4 "V" H 3100 4750 50  0001 C CNN "Spice_Primitive"
+F 5 "ac 20 0" H 3100 4750 50  0001 C CNN "Spice_Model"
+F 6 "Y" H 3100 4750 50  0001 C CNN "Spice_Netlist_Enabled"
+	1    3100 4750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3100 5400 3100 5050
+$Comp
+L pspice:VSOURCE V2
+U 1 1 5B110487
+P 9050 1750
+F 0 "V2" H 9278 1796 50  0000 L CNN
+F 1 "VSOURCE" H 9278 1705 50  0000 L CNN
+F 2 "" H 9050 1750 50  0001 C CNN
+F 3 "" H 9050 1750 50  0001 C CNN
+F 4 "V" H 9050 1750 50  0001 C CNN "Spice_Primitive"
+F 5 "dc 25" H 9050 1750 50  0001 C CNN "Spice_Model"
+F 6 "Y" H 9050 1750 50  0001 C CNN "Spice_Netlist_Enabled"
+	1    9050 1750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9050 2050 9650 2050
+Wire Wire Line
+	9050 1450 9400 1450
+Wire Wire Line
+	9400 1450 9400 1650
+Wire Wire Line
+	9400 1650 9650 1650
+Wire Wire Line
+	6800 2300 6800 1600
+Wire Wire Line
+	6800 1600 8100 1600
+Wire Wire Line
+	8100 1600 8100 3100
+Connection ~ 6800 2300
+Connection ~ 8100 3100
+Wire Wire Line
+	8100 3100 7800 3100
+$Comp
+L Transistor_BJT:BC547 Q1
+U 1 1 5B11CD51
+P 5900 4100
+F 0 "Q1" H 6091 4146 50  0000 L CNN
+F 1 "BC547" H 6091 4055 50  0000 L CNN
+F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6100 4025 50  0001 L CIN
+F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 5900 4100 50  0001 L CNN
+F 4 "Q" H 5900 4100 50  0001 C CNN "Spice_Primitive"
+F 5 "Y" H 5900 4100 50  0001 C CNN "Spice_Netlist_Enabled"
+F 6 "FZT1049A" H 5900 4100 50  0001 C CNN "Spice_Model"
+F 7 "/home/akshay/kicad-source-mirror-master/demos/simulation/laser_driver/fzt1049a.lib" H 5900 4100 50  0001 C CNN "Spice_Lib_File"
+	1    5900 4100
+	1    0    0    -1  
+$EndComp
+Text Notes 4750 6450 0    50   ~ 0
+.ac dec 10 1 1meg
+$Comp
+L Transistor_BJT:BC547 Q2
+U 1 1 5B30C7DB
+P 8250 4050
+F 0 "Q2" H 8441 4096 50  0000 L CNN
+F 1 "BC547" H 8441 4005 50  0000 L CNN
+F 2 "Package_TO_SOT_THT:TO-92_Inline" H 8450 3975 50  0001 L CIN
+F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 8250 4050 50  0001 L CNN
+F 4 "Q" H 8250 4050 50  0001 C CNN "Spice_Primitive"
+F 5 "Y" H 8250 4050 50  0001 C CNN "Spice_Netlist_Enabled"
+F 6 "FZT1049A" H 8250 4050 50  0001 C CNN "Spice_Model"
+F 7 "/home/akshay/kicad-source-mirror-master/demos/simulation/laser_driver/fzt1049a.lib" H 8250 4050 50  0001 C CNN "Spice_Lib_File"
+	1    8250 4050
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC
diff --git a/analog circuits/rc coupled amplifier/sym-lib-table b/analog circuits/rc coupled amplifier/sym-lib-table
new file mode 100644
index 0000000..9fbdeee
--- /dev/null
+++ b/analog circuits/rc coupled amplifier/sym-lib-table
@@ -0,0 +1,3 @@
+(sym_lib_table
+  (lib (name rc-coupled-amplifier-rescue)(type Legacy)(uri "${KIPRJMOD}/rc coupled amplifier-rescue.lib")(options "")(descr ""))
+)