switches

C

colors

New Member

• Aug 31, 2010

• #1

hi,
having trouble with transistor,
to make a switch, is FET better than BJT? (voltage controlled)
what about UJT, opto coupler..

 

Last edited: Aug 31, 2010

MikeMl

Well-Known Member

Most Helpful Member

• Aug 31, 2010

• #2

Depends on what you are trying to do.

 

C

colors

New Member

• Aug 31, 2010

• #3

trying to drive one ckt with another , that might not be having common ground.

 

Last edited: Aug 31, 2010

K

KMoffett

Well-Known Member

• Aug 31, 2010

• #4

colors said:

trying to drive one ckt with another , that might not be having common ground.

Click to expand...

Optocoupler!

Ken