0-5V to 4-20mA Circuit

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vamanan

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4-20ma circuit

Can anybody have the circuit to convert 0to5V to 4-20mA.Is there any ic's available?
 

4 20ma circuit

One other option is to employ a small microcontroller such as the 8-pin PICAXE-08M, use its PWM output to generate 4-20mA and set one of its analog imputs to take 0-5V (or whatever you need) control signal ..
Take a look at this example:

and see how simple and inexpensive it is ..
Regards,
IanP
 

4 to 20 ma circuit

try it:

it can tell you how 0-5VDC converte to 4-20mA,DC voltage isolated amplifier is a kind of IC that can convert DC voltage to output current or voltage that according to comparison with no relationship with load.

It also tell you how to design PCB.**broken link removed**
**broken link removed**
 

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