correct gen18v, and some text

data/theory/mktheory.py

@@ -1,5 +1,7 @@
 import matplotlib.pyplot as plt
 import matplotlib.ticker as mpt
+import matplotlib as mpl
+import mpl_toolkits.axes_grid1.inset_locator as ins
 import matplotlib.cm as cm
 import numpy as np
 import wafer
@@ -119,13 +121,16 @@ def gen_48i_theory():
 def gen_1v8_theory():
     rpara = 75000
     rseri = 2*4700
-    xdata = np.arange(0, 256, 4, dtype=int)
+    xdata = np.arange(0, 256, 1, dtype=int)
     ydata = (xdata / 256 * 10000)
     ydata = ydata * rpara / (ydata + rpara) + rseri
     ydata = 30100 / (ydata + 6490) * .7 + .7
 
+    print(f'vmin: {(ydata[-2]-ydata[-1])*1000} mV')
+    print(f'vmin: {(ydata[0]-ydata[1])*1000} mV')
+
     plt.clf()
-    plt.plot(xdata, ydata, label="Equation after Datasheet")
+    plt.step(xdata, ydata, label="Equation after Datasheet", where='mid', linewidth=.1)
 
     vps = vtp.fit(
         xdata,
@@ -145,8 +150,21 @@ def gen_1v8_theory():
     plt.xlabel("Potentiometer Setting P$_{val}$")
     plt.ylabel("V$_{MONITOR\_1V8}$ / V")
 
-    plt.savefig('v18.pdf', transparent=True)
+    rect = mpl.patches.Rectangle((48,1.81),32,.08,linewidth=1, edgecolor='gray',facecolor='none')
+    plt.gca().add_patch(rect)
 
+    plt.savefig('v18.pdf', transparent=True)
+    plt.cla()
+    plt.clf()
+    plt.figure(figsize=(4, 2))
+
+
+    plt.step(xdata[48:80], ydata[48:80], label="Equation after Datasheet", where='mid', linewidth=.1)
+    plt.gca().xaxis.set_major_formatter(mpt.FuncFormatter(
+        lambda v, x: '0x{:02x}'.format(int(v))
+    ))
+
+    plt.savefig('v18_zoom.pdf', transparent=True)
 
 if __name__ == "__main__":
     gen_48v_theory()

data/theory/theo.tex

@@ -1,9 +1,9 @@
 \ExplSyntaxOn
 \newcommand{\pyval}[1]{%
 	\str_case:nn{#1}{%
-		{ 0 }{ m = \SI{-1.6911+-0.0000}{  }}
-		{ 1 }{ p = \SI{567.6618+-0.0000}{  }}
-		{ 2 }{ a = \SI{-621.1199+-0.0000}{  }}
+		{ 0 }{ m = \SI{-7.2588+-0.0000}{  }}
+		{ 1 }{ p = \SI{2436.5476+-0.0000}{  }}
+		{ 2 }{ a = \SI{-2666.0034+-0.0000}{  }}
 		{ 3 }{ c = \SI{0.9318+-0.0000}{  }}
 	}
 }