0
What else can I help you with?
Why input impedance of FET is higher than ordinary transistor?
the gate is insulated from the channel by either a reverse biased junction or silicon dioxide.
What is the use of substrate in Field Effect Transistor?
The use of substrate in Field Effect Transistors is for it to serve as insulating material between the gate and the source.
What is the threshold value of the PMOS?
The threshold voltage (V_th) of a PMOS transistor is the gate-source voltage (V_GS) at which the transistor begins to conduct. It is typically negative, meaning the gate voltage must be lower than the source voltage to create a conductive channel. The exact value of the threshold voltage can vary based on the specific technology and fabrication process, but it generally ranges from -0.5V to -2V for most PMOS devices.
Why the n-jfet is operated with the negative voltage not the positive voltage?
In a JFET the only insulation between the gate and the channel is a reverse biased diode junction, if this junction becomes forward biased then the gate and channel are effectively shorted and the device no longer acts as a transistor (it will act as a forward biased diode instead). In the n-channel JFET, the gate is the P-side of this diode and the channel is the N-side of this diode. To keep this diode reverse biased (and the device operating as a transistor) therefor the gate MUST always be maintained at a voltage more negative than the most negative section of the channel.
How do you calculate the current gain of a transistor JFET?
FETs don't have current gain as no current flows through the gate. The gain of a FET is a voltage gain and is called mu.
What is the difference between a single and a dual IGBT?
Single means there is just one. Dual means there are two IGBT's (Insulated Gate Bipolar Transistor) inside the one package.
What electronic component is a gate or switch for electrical signals?
Transistor or vacuum tube.
Why is MOSFET called IGFET?
MOSFET is Metal Oxide Semiconductor Field Effect Transistor. IGFET Insulated Gate Field Effect Transistor. But these expressions are practically synonyms.
What is the storage element of EEPROM?
The storage element of EEPROM is a floating gate transistor. This transistor can trap or release electrons, which alters the conductivity of the transistor and determines whether a binary value (0 or 1) is stored in a specific memory cell.
What can the input of a transistor be called?
The input of a transistor is typically referred to as the "gate" in a field-effect transistor (FET) or the "base" in a bipolar junction transistor (BJT). In both cases, the input controls the flow of current through the transistor, allowing it to function as a switch or amplifier in electronic circuits. The gate or base receives the input signal that modulates the transistor's operation.
Can a transistor can act like resistor capacitor inductor?
A transistor acts like a resistor when Gate is connected to Source.
What is the maximum gate length in a FET transistor?
sOA1zp dftfmhustguf
What are the three element of transistor?
For a BJT transistor the three basic elements are collector, base and emitter. For a FET transistor are drain, gate and source which are analogous for the BJT parts mentioned before.
What are the three element of a transistor?
For a BJT transistor the three basic elements are collector, base and emitter. For a FET transistor are drain, gate and source which are analogous for the BJT parts mentioned before.
What are FETs?
Field Effect Transistor A: basically a silicon bar where the conduction is controlled by a field since there is no connection to the gate the impedance is very high
What is the purpose of source resistor and gate resistor?
The source resistor in a transistor circuit helps to stabilize the operating point by providing negative feedback, which reduces distortion and improves linearity by controlling the amount of current flowing through the transistor. The gate resistor, on the other hand, is used to limit the input current to the gate terminal of a field-effect transistor (FET) or to reduce oscillations in amplifier circuits, ensuring stable operation and protecting the gate from voltage spikes. Together, these resistors enhance circuit performance and reliability.
Why doesn't an SCR switch off once it turns on even after reducing gate potential?
A thyristor or silicon controlled rectifier (SCR), as they are sometimes known, consists of two transistors. A pulse on the gate turns on the second transistor which then turns on the first transistor in the combination. Turning on the first transistor enables anode current to flow and maintains a base current for the second transistor which keeps it on.See the Related link for an equivalent circuit for an SCR or thyristor.
