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Diffstat (limited to '2459/CH9/EX9.24')
| -rw-r--r-- | 2459/CH9/EX9.24/Ex9_24.PNG | bin | 0 -> 4671 bytes | |||
| -rw-r--r-- | 2459/CH9/EX9.24/Ex9_24.sce | 16 |
2 files changed, 16 insertions, 0 deletions
diff --git a/2459/CH9/EX9.24/Ex9_24.PNG b/2459/CH9/EX9.24/Ex9_24.PNG Binary files differnew file mode 100644 index 000000000..63ab8fae5 --- /dev/null +++ b/2459/CH9/EX9.24/Ex9_24.PNG diff --git a/2459/CH9/EX9.24/Ex9_24.sce b/2459/CH9/EX9.24/Ex9_24.sce new file mode 100644 index 000000000..88ca8041f --- /dev/null +++ b/2459/CH9/EX9.24/Ex9_24.sce @@ -0,0 +1,16 @@ +//chapter9
+//example9.24
+//page172
+
+Ei=13 // V
+Vz=10 // V
+Eo=Vz
+Iz_min=15d-3 // A
+Il_max=85d-3 // A
+
+// Zener current will be min when input voltage is min
+
+// we see that R=(Ei-Eo)/(Iz-Il) and minimum Iz occurs when Il is maximum so
+R=(Ei-Eo)/(Iz_min+Il_max)
+
+printf("required series resistance = %.3f ohm \n",R)
|
