What is voltage to current converter using op-amp?

An op-amp based voltage to current converter produces an output current when a voltage is applied to its non-inverting terminal. The circuit diagram of an op-amp based voltage to current converter is shown in the following figure.

What is the use of voltage to current converter?

An op-amp is implemented to simply convert the voltage signal to corresponding current signal. The Op-amp used for this purpose is IC LM741. This Op-amp is designed to hold the precise amount of current by applying the voltage which is essential to sustain that current through out the circuit.

What are the applications of IV converter?

Applications of I – V Converter: Sensing current through Photodetector. Such as photocell, photodiodes and photovoltaic cells. Photoconductive devices produce a current that is proportional to an incident energy or light (i.e) It can be used to detect the light.

What is the other name of I V converter?

Voltage to Current Converter with floating loads (V/I) : This circuit is also called as a current – series negative feedback amplifier. Because the feedback voltage across R1 (applied Non-inverting terminal) depends on the output current i0 and is in series with the input difference voltage Vid.

Is VI application a converter?

The voltage to current converter can be used in low voltage dc and ac voltmeters, diode match finders, light emitting diodes and zener diode testers. circuit that produces an output that is proportional to the logarithm of the applied input. op-amp is connected to ground.

Which is the op amp for voltage to current converter?

This is the reason why this circuit is said to be an imperfect one or bad or passive version. An op-amp is implemented to simply convert the voltage signal to corresponding current signal. The Op-amp used for this purpose is IC LM741.

When to use model 741 op-amp in active filters?

If there are any substantial errors (greater than a few percent), carefully check your circuit’s construction against the diagram, then carefully re-calculate the values and re-measure. Avoid using the model 741 op-amp, unless you want to challenge your circuit design skills.

How is the load of a voltage to current converter controlled?

The load current is controlled by the resistor, R. Here, the proportionality constant is 1/R. So, this converter circuit is also known as Trans- Conductance Amplifier. Other name of this circuit is Voltage Controlled Current Source. The type of load may be resistive, capacitive or non-linear load.

How is a resistor a voltage to current converter?

So, it is clear that the resistor decides the current flow in a voltage source circuit or it performs as a simple voltage to current converter for a linear circuit. The circuit diagram of a resistor which performs as a simple voltage to current converter is represented below.