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Old 12-31-2005, 04:14 AM
Surendar Surendar is offline
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Join Date: Sep 2005
Posts: 18

What is Current to voltage converter and Voltage to current converter.How it can

be used for applications.

Thank you


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Old 01-03-2006, 02:10 AM
Murod Murod is offline
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Join Date: Dec 2005
Posts: 30

Current to voltage converter is a circuit that makes a current source becomes a voltage source. Voltage to current converter is a circuit that makes a voltage source becomes a current source.

A voltage source is a point that gives a specified voltage regardless the impedance of the load. A voltage source will give the specified voltage on load with various impedance, so the current will vary according to the load's impedance.

A current source is a point that gives a specified current regardless the impedance of the load. A current source will give the specified current on load with various impedance, so the the voltage will vary according to the load's impedance.

One example of current to voltage converter is the circuit in light intensity meter using photovoltaic sensor. Because the sensor acts like a current source proportional to light intensity, a current to voltage circuit will make the response to be linear. You can't get a linear response if you treat the sensor as a voltage source.

One example of voltage to current converter is in the circuit for transmiting signal for long distant. If you use a voltage signal, the receiver will suffer a voltage drop on the signal. If You use a current source, You won't. It is widely used in industrial instrumentation for communication between sensor system and the controller, or between controller and the actuator.
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Old 05-27-2009, 06:47 AM
sreejisreeni sreejisreeni is offline
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Join Date: May 2009
Location: Bangalore
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I would like to ask you to refer "Operational Amplifiers and Linear ICs(Desing&trouble shooting)" by David A Bell, for nice design of V-I & I-V converters using opamps..
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Old 05-27-2009, 07:00 AM
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bertus bertus is offline
Join Date: Apr 2008
Location: Amsterdam,Holland (GMT + 1)
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Do you realize this thread is from december 2005.
The OP will be gone long.

You don't have to know everything, if you know where to find it.
When you do ask questions, you may look stupid.
When you do NOT ask questions, you will STAY stupid.

It would be nice to have the Timezone ( GMT +/- x ) in the location field in the profile.
(User CP -> Edit Your Details)
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