update of local changes 20180625

data/theory/mktheory.py

@@ -1,20 +1,53 @@
 import matplotlib.pyplot as plt
 import numpy as np
 
+plt.style.use('bmh')
+plt.figure(figsize=(8, 3))
+
 def gen_48v_theory():
     xdata = np.linspace(43, 53, 100)
     ydata = xdata / 241 * 8 * 1.1
 
-    plt.style.use('bmh')
-    plt.figure(figsize=(8, 6))
-
+    plt.clf()
     plt.plot(ydata, xdata)
 
-    plt.xlabel('V$_{pin}$')
-    plt.ylabel('V$_{48V in}$')
+    plt.xlabel('V$_{pin}$ / V')
+    plt.ylabel('V$_{48V in}$ / V')
 
+    plt.tight_layout()
     plt.savefig('v48.pdf')
 
+def gen_48i_theory():
+    xdata = np.linspace(0, 2000/48, 100)
+    ydata = xdata * 500e-6 * 8 * 1.1
+
+    plt.clf()
+    plt.plot(ydata, xdata)
+
+    plt.xlabel('V$_{pin}$ / V')
+    plt.ylabel('I$_{48V in}$ / A')
+
+    plt.tight_layout()
+    plt.savefig('i48.pdf')
+
+def gen_1v8_theory():
+    rpara = 1000
+    rseri = 10000
+    xdata = np.arange(0, 256, 4)
+    ydata = (xdata / 256 * 10000)
+    ydata = ydata * rpara / (ydata + rpara) + rseri
+    ydata = 30100 / (ydata + 6490) * .7 + .7
+
+    plt.clf()
+    plt.plot(xdata, ydata)
+
+    plt.xlabel("Potentiometer Setting")
+    plt.ylabel("V$_{1.8V out}$")
+
+    plt.tight_layout()
+    plt.savefig('v18.pdf')
 
 if __name__ == "__main__":
-    gen_48v_theory()
+    gen_48v_theory()
+    gen_48i_theory()
+    gen_1v8_theory()