3A and 1.5A current sink
Electronics Forum Index Electronics
Circuits, theory, electrons and discussions.
 
 FAQFAQ   MemberlistMemberlist     RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 
 
Google
 
Web ElectronicsHelp.net
3A and 1.5A current sink

 
Post new topic   Reply to topic    Electronics Forum Index -> Design
Author Message
jandjnoel



Joined: 03 Mar 2006
Posts: 3
Posted: Fri Mar 03, 2006 9:47 pm    Post subject: 3A and 1.5A current sink Reply with quote
I need to simulate loads which each draw 3A and 1.5A max, respectively. However, I don't wish to just use a power resistor to gnd due to power/heat requirements. I would like to use some sort of active load if possible...anyone have suggestions?

Back to top
View user's profile Send private message Send e-mail
neon



Joined: 25 Feb 2006
Posts: 586
Posted: Sun Mar 05, 2006 10:38 pm    Post subject: Reply with quote
you mean 1.5 a to max of 3 amps. what do you think an active load is. it is a variable load usualy a power transistor my suggestion is redefine you problem.
Back to top
View user's profile Send private message Send e-mail
jandjnoel



Joined: 03 Mar 2006
Posts: 3
Posted: Mon Mar 06, 2006 1:36 pm    Post subject: 3A and 1.5A current sink Reply with quote
I need to simulate 2 loads - 1 @ 1.5A max and 1 @ 3A max (both are DC). I am just wondering what is the best way to simulate that type of load. For example, is a power resistor to GND just as good as using a power transistor or is there advantages to one type over the other - or is there even a better method?

Back to top
View user's profile Send private message Send e-mail
neon



Joined: 25 Feb 2006
Posts: 586
Posted: Wed Mar 08, 2006 12:27 pm    Post subject: Reply with quote
yeah a power resistor is ideal for your aplication don't have to worry what the active load does. active load can oscillate and drift more readily if not probably designed. the advantace of an active load is the total range of even continious varaiation. you don't have that. go with the R
Back to top
View user's profile Send private message Send e-mail
 
Post new topic   Reply to topic    Electronics Forum Index -> Design All times are GMT
Page 1 of 1

 
 You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum



Home & Living New Topics
Powered by phpBB