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current booster, current amplifier

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balaji selva

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can u suggest any current booster IC or current amplifier circuit to convert 1-10mA to 1-200mA.......the signal has i/p voltage of 10
 

u can achieve this with transistor using amplification
 

What power supplies do you have?

What is the maximum frequency of the signal?

Does the load for the 200mA need to be grounded?
 

This is a bit of a mess. The OP has started 3 or 4 threads seemingly on the same topic. I answered one of the others here earlier.

Apparently he wants to boost the output of an AD620 opamp to drive a current of up to 200mA into a load of 500Ω (or 120mA into 1k, pick your thread).

Not sure if his thread about boosting the current output of an AD620 to drive a 1:10 transformer is related.
 

ya...the load is 500 ohm...and it has to be grounded....max frequency is 2000Hz.. i have a 12V and -12V source......
 

What is the minimum frequency? Must it work down to DC?
 

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