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Why is JFET used as an input device?

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Anonymous

13y ago
Updated: 8/20/2019

it has high input impedance

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Wiki User

13y ago

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Related Questions

Is jfet unilateral device or not?

Yes, a JFET (Junction Field-Effect Transistor) is considered a unilateral device. This means that it allows current to flow in one direction and does not provide feedback from the output to the input, which is a characteristic of unilateral devices. JFETs are primarily used in applications where high input impedance and low noise are required, such as in amplifiers and signal processing circuits.


What are the applications of jfet?

• High Input Impedance Amplifier. • Low-Noise Amplifier. • Differential Amplifier. • Constant Current Source. • Analog Switch or Gate. • Voltage Controlled Resistor. • JFET as a Switch • JFET as a Chopper • JFET as a Current source • JFET as a Amplifier • JFET as a Buffer


What is the difference between jfet and mosfet?

1-BJT is bipolar while JFET is unipolar. 2-BJT has low input impedence while JFET has high input impedence. 3-JFET has low power discipation as compared to BJT. 4-JFET has low noise as compared to BJT. 5-BJT is current controlled while JFET is voltage controlled. 6-JFET is mostly used in digital circuits.


Why is the input impedance of a jfet so high?

If you mean JFET, it is because the gate junction is reverse biased.


What are the difference between input device and input media?

Your input device, for example a mouse, is connected to your input medium, your computer. an input device is a device that is used to input or helps to enter data into the computer and an input medium is where the input device is detected e.g the slots


CD-R input or output device?

a CD is an output device that can be used as a storage or input device


Can an input device be used as an output device?

Depends. What is the device?


What is any hardware component used to enter data?

input device


What is the most used input?

The most used input device on a computer is the keyboard.


What is the name for an input device used for gaming?

Usually a joystick is used as an input device for gaming purpose. A keyboard is also used for such purpose


Is a mouse pad an input device or an output device?

No, Mouse is an input device. Because mouse is used to instruct the computer where to point the cursor and anything that is used to instruct computer in any way is an input device. Output Devices show the processed data by a computer for e.g. a monitor shows where the cursor is by processing the input from a mouse.


What are current controllable devices?

BJT is a example for current controll device. And JFET is a voltage controlled device.