o Start on some electronics engineering code.

4 files changed, 143 insertions, 0 deletions

diff --git a/demo/DMP2305U.mod b/demo/DMP2305U.mod
new file mode 100644
index 0000000..3935b20
--- /dev/null
+++ b/demo/DMP2305U.mod
@@ -0,0 +1,25 @@
+*---------- DMP2305U Spice Model ----------
+.SUBCKT DMP2305U 10 20 30 
+*     TERMINALS:  D  G  S
+M1 1 2 3 3  PMOS  L = 1E-006  W = 1E-006 
+RD 10 1 0.03653 
+RS 30 3 0.001 
+RG 20 2 23 
+CGS 2 3 6.954E-010 
+EGD 12 30 2 1 1 
+VFB 14 30 0 
+FFB 2 1  VFB 1 
+CGD 13 14 8.85E-010 
+R1 13 30 1 
+D1 13 12  DLIM 
+DDG 14 15  DCGD 
+R2 12 15 1 
+D2 30 15  DLIM 
+DSD 10 3  DSUB 
+.MODEL PMOS PMOS  LEVEL = 3  U0 = 400  VMAX = 1.385E+005  ETA = 0.001 
++ TOX = 6E-008  NSUB = 1E+016  KP = 24.44  KAPPA = 0.8442  VTO = -0.8978 
+.MODEL DCGD D  CJO = 3.468E-010  VJ = 0.2064  M = 0.3945 
+.MODEL DSUB D  IS = 4.536E-009  N = 1.339  RS = 0.05752  BV = 30  CJO = 2.406E-011  VJ = 1.677E-012  M = 0.8 
+.MODEL DLIM D  IS = 0.0001 
+.ENDS
+*Diodes DMP2305U  Spice Model v1.0 Last Revised 2011/6/20
\ No newline at end of file
diff --git a/demo/reverse-polarity/reverse-polarity_normal.asc b/demo/reverse-polarity/reverse-polarity_normal.asc
new file mode 100644
index 0000000..1a15aff
--- /dev/null
+++ b/demo/reverse-polarity/reverse-polarity_normal.asc
@@ -0,0 +1,46 @@
+Version 4
+SHEET 1 2056 680
+WIRE 320 -208 144 -208
+WIRE 544 -208 416 -208
+WIRE 656 -208 544 -208
+WIRE 144 -160 144 -208
+WIRE 544 -96 544 -208
+WIRE 656 -96 656 -208
+WIRE 144 -48 144 -80
+WIRE 144 -32 144 -48
+WIRE 144 80 144 48
+WIRE 400 80 400 -160
+WIRE 400 80 144 80
+WIRE 544 80 544 -32
+WIRE 544 80 400 80
+WIRE 656 80 656 -16
+WIRE 656 80 544 80
+WIRE 144 112 144 80
+FLAG 144 112 0
+FLAG 144 -208 Bat
+FLAG 656 -208 Load
+FLAG 144 -48 BatI
+SYMBOL pmos 320 -160 R270
+SYMATTR InstName M1
+SYMATTR Value DMP2305U
+SYMATTR Prefix X
+SYMBOL res 160 -64 R180
+WINDOW 0 36 76 Left 2
+WINDOW 3 36 40 Left 2
+SYMATTR InstName Rint
+SYMATTR Value {Rint}
+SYMBOL voltage 144 -48 R0
+WINDOW 3 24 44 Left 2
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR Value 3.3
+SYMATTR InstName V1
+SYMBOL res 640 -112 R0
+SYMATTR InstName Rload
+SYMATTR Value 1000
+SYMBOL cap 528 -96 R0
+SYMATTR InstName Cdec
+SYMATTR Value 10µ
+TEXT 120 192 Left 2 !.include ../DMP2305U.mod
+TEXT 120 224 Left 2 !.op 1us
+TEXT 120 248 Left 2 !.step param Rint list 25 125 200\n* http://data.energizer.com/pdfs/cr2032.pdf
diff --git a/demo/reverse-polarity/reverse-polarity_normal.plt b/demo/reverse-polarity/reverse-polarity_normal.plt
new file mode 100644
index 0000000..1ae4c52
--- /dev/null
+++ b/demo/reverse-polarity/reverse-polarity_normal.plt
@@ -0,0 +1,26 @@
+[Operating Point]
+{
+   Npanes: 2
+   Active Pane: 1
+   {
+      traces: 1 {524291,0,"V(load)"}
+      X: (' ',0,25,20,200)
+      Y[0]: (' ',2,2.7,0.05,3.25)
+      Y[1]: ('p',0,1e+308,5e-012,-1e+308)
+      Volts: (' ',0,0,2,2.7,0.05,3.25)
+      Log: 0 0 0
+      PltMag: 1
+      PltPhi: 1 0
+   },
+   {
+      traces: 2 {336592898,0,"Ix(M1:G)"} {524292,1,"(V(bat)-V(load))*I(Rload)"}
+      X: (' ',0,25,20,200)
+      Y[0]: ('p',0,-3e-010,5e-012,-2.45e-010)
+      Y[1]: ('n',0,4.5e-007,1e-008,5.8e-007)
+      Amps: ('p',0,0,0,-3e-010,5e-012,-2.45e-010)
+      Units: "W" ('n',0,0,2,4.5e-007,1e-008,5.8e-007)
+      Log: 0 0 0
+      PltMag: 1
+      PltPhi: 1 0
+   }
+}
diff --git a/demo/reverse-polarity/reverse-polarity_reversed.asc b/demo/reverse-polarity/reverse-polarity_reversed.asc
new file mode 100644
index 0000000..b0e4d0c
--- /dev/null
+++ b/demo/reverse-polarity/reverse-polarity_reversed.asc
@@ -0,0 +1,46 @@
+Version 4
+SHEET 1 2056 680
+WIRE 320 -208 144 -208
+WIRE 544 -208 416 -208
+WIRE 656 -208 544 -208
+WIRE 144 -160 144 -208
+WIRE 544 -96 544 -208
+WIRE 656 -96 656 -208
+WIRE 144 -48 144 -80
+WIRE 144 -32 144 -48
+WIRE 144 80 144 48
+WIRE 400 80 400 -160
+WIRE 400 80 144 80
+WIRE 544 80 544 -32
+WIRE 544 80 400 80
+WIRE 656 80 656 -16
+WIRE 656 80 544 80
+WIRE 144 112 144 80
+FLAG 144 112 0
+FLAG 144 -208 Bat
+FLAG 656 -208 Load
+FLAG 144 -48 BatI
+SYMBOL pmos 320 -160 R270
+SYMATTR InstName M1
+SYMATTR Value DMP2305U
+SYMATTR Prefix X
+SYMBOL res 160 -64 R180
+WINDOW 0 36 76 Left 2
+WINDOW 3 36 40 Left 2
+SYMATTR InstName Rint
+SYMATTR Value {Rint}
+SYMBOL voltage 144 64 R180
+WINDOW 3 24 44 Left 2
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR Value 3.3
+SYMATTR InstName V1
+SYMBOL res 640 -112 R0
+SYMATTR InstName Rload
+SYMATTR Value 1000
+SYMBOL cap 528 -96 R0
+SYMATTR InstName Cdec
+SYMATTR Value 10µ
+TEXT 120 192 Left 2 !.include ../DMP2305U.mod
+TEXT 120 224 Left 2 !.op 1us
+TEXT 120 248 Left 2 !.step param Rint list 25 125 200\n* http://data.energizer.com/pdfs/cr2032.pdf