Voltage controlled current source

[Analog2008]

I need a ciuit for a current controlled current source with followingspec:

Input voltage: 0V to 5V
Output Current: 4mA to 20 mA

Very siple circuit.

Thanks,

 

[dknguyen]

Voltage controlled or current? Which is it?

 

[ericgibbs]

I need a ciuit for a current controlled current source with followingspec:

Input voltage: 0V to 5V
Output Current: 4mA to 20 mA

Very siple circuit.

Thanks,

hi,
Get a AD694 its a 4 to 20mA ic.