Welcome to our site!

Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

need help...confusion in some questions

Status
Not open for further replies.

samisyed

New Member
helllo...
hope you fine...
can you reply me for that questions with good reasons?
q#1 why do we need input impedence of a transistor high for amplifiers?
q#2 why do we need input impedence of a transistor some times low in various applications?
q#3 how doping level effects our devices such as transistors?why we use different doping levels such as high,,low,,medium in transistors??

i will be very happy if you answer my questions...
thanks...
 
Status
Not open for further replies.

Latest threads

EE World Online Articles

Loading
Top