From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 275/CH4/EX4.4.41/Ch4_4_41.sce | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100755 275/CH4/EX4.4.41/Ch4_4_41.sce (limited to '275/CH4/EX4.4.41') diff --git a/275/CH4/EX4.4.41/Ch4_4_41.sce b/275/CH4/EX4.4.41/Ch4_4_41.sce new file mode 100755 index 000000000..6032f4100 --- /dev/null +++ b/275/CH4/EX4.4.41/Ch4_4_41.sce @@ -0,0 +1,16 @@ +clc +disp("Example 4.41") +printf("\n") +disp("Design the SCR crowbar circuit to protect the load from voltage levels greater than 7.5V") +printf("Given\n") +//gate trigger voltage +Vgt=0.7 +//load voltage maximum +VLmax=7.5 +//Zener voltage is +Vz=VLmax-Vgt +//assume zener current(mini) as +Izmin=10^-3 +R=Vgt/Izmin +printf("zener voltage \n%f volt\n",Vz) +printf("Resistance \n%f ohm\n",R) -- cgit