Recent content by shinsj

[b]1. Homework Statement my teacher wants me to design a circuit to control the on or off of 4 BJTs in the circuit. Homework Equations The Attempt at a Solution so i tryed to control a BJT at once .. it workshttp://user.qzone.qq.com/259234914/infocenter#!app=4 but there were...

excuse me. , where are you find this question. I also need this similar question to finish my homework

Homework Statement my teacher needs me to design a circuit .. which can control the 5 transistor by the change of the current ... it means that when the different value of current .. the one of the 5 transistor can turn on or turn off .. it is so confused can someone give some hit of this...