Input Voltage in Transistor Solution

STEP 0: Pre-Calculation Summary
Formula Used
Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage
Vfc = Rd*id-Vd
This formula uses 4 Variables
Variables Used
Fundamental Component Voltage - (Measured in Volt) - Fundamental component voltage is the first harmonic of the voltage in the harmonic analysis of the square wave of voltage in an inverter based circuit.
Drain Resistance - (Measured in Ohm) - Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage.
Drain Current - (Measured in Ampere) - Drain current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage.
Total Instantaneous Drain Voltage - (Measured in Volt) - The total instantaneous drain voltage is the voltage that falls across the gate-source terminal of the transistor.
STEP 1: Convert Input(s) to Base Unit
Drain Resistance: 0.36 Kilohm --> 360 Ohm (Check conversion here)
Drain Current: 17.5 Milliampere --> 0.0175 Ampere (Check conversion here)
Total Instantaneous Drain Voltage: 1.284 Volt --> 1.284 Volt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vfc = Rd*id-Vd --> 360*0.0175-1.284
Evaluating ... ...
Vfc = 5.016
STEP 3: Convert Result to Output's Unit
5.016 Volt --> No Conversion Required
FINAL ANSWER
5.016 Volt <-- Fundamental Component Voltage
(Calculation completed in 00.004 seconds)

Credits

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Birsa Institute of Technology (BIT), Sindri
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18 Transistor Amplifier Characteristics Calculators

Current Flowing through Induced Channel in Transistor given Oxide Voltage
Go Output Current = (Mobility of Electron*Oxide Capacitance*(Width of Channel/Length of Channel)*(Voltage across Oxide-Threshold Voltage))*Saturation Voltage between Drain and Source
Overall Effective Voltage of MOSFET Transconductance
Go Effective Voltage = sqrt(2*Saturation Drain Current/(Process Transconductance Parameter*(Width of Channel/Length of Channel)))
Current Entering Drain Terminal of MOSFET at Saturation
Go Saturation Drain Current = 1/2*Process Transconductance Parameter*(Width of Channel/Length of Channel)*(Effective Voltage)^2
Input Voltage given Signal Voltage
Go Fundamental Component Voltage = (Finite Input Resistance/(Finite Input Resistance+Signal Resistance))*Small Signal Voltage
Transconductance Parameter of MOS Transistor
Go Transconductance Parameter = Drain Current/((Voltage across Oxide-Threshold Voltage)*Voltage between Gate and Source)
Instantaneous Drain Current using Voltage between Drain and Source
Go Drain Current = Transconductance Parameter*(Voltage across Oxide-Threshold Voltage)*Voltage between Gate and Source
Drain Current of Transistor
Go Drain Current = (Fundamental Component Voltage+Total Instantaneous Drain Voltage)/Drain Resistance
Total Instantaneous Drain Voltage
Go Total Instantaneous Drain Voltage = Fundamental Component Voltage-Drain Resistance*Drain Current
Input Voltage in Transistor
Go Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage
Transconductance of Transistor Amplifiers
Go MOSFET Primary Transconductance = (2*Drain Current)/(Voltage across Oxide-Threshold Voltage)
Signal Current in Emitter given Input Signal
Go Signal Current in Emitter = Fundamental Component Voltage/Emitter Resistance
Transconductance using Collector Current of Transistor Amplifier
Go MOSFET Primary Transconductance = Collector Current/Threshold Voltage
Input Resistance of Common-Collector Amplifier
Go Input Resistance = Fundamental Component Voltage/Base Current
Output Resistance of Common Gate Circuit given Test-Voltage
Go Finite Output Resistance = Test Voltage/Test Current
Amplifier Input of Transistor Amplifier
Go Amplifier Input = Input Resistance*Input Current
DC Current Gain of Amplifier
Go DC Current Gain = Collector Current/Base Current
Input Resistance of Common-Gate Circuit
Go Input Resistance = Test Voltage/Test Current
Test Current of Transistor Amplifier
Go Test Current = Test Voltage/Input Resistance

Input Voltage in Transistor Formula

Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage
Vfc = Rd*id-Vd

What is MOSFET and its application?

MOSFET is used for switching or amplifying signals. The ability to change conductivity with the amount of applied voltage can be used for amplifying or switching electronic signals. MOSFETs are now even more common than BJTs (bipolar junction transistors) in digital and analog circuits.

How to Calculate Input Voltage in Transistor?

Input Voltage in Transistor calculator uses Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage to calculate the Fundamental Component Voltage, Input Voltage in Transistor refers to the minimum voltage required to turn on the transistor and conduct current. Fundamental Component Voltage is denoted by Vfc symbol.

How to calculate Input Voltage in Transistor using this online calculator? To use this online calculator for Input Voltage in Transistor, enter Drain Resistance (Rd), Drain Current (id) & Total Instantaneous Drain Voltage (Vd) and hit the calculate button. Here is how the Input Voltage in Transistor calculation can be explained with given input values -> 5.00025 = 360*0.0175-1.284.

FAQ

What is Input Voltage in Transistor?
Input Voltage in Transistor refers to the minimum voltage required to turn on the transistor and conduct current and is represented as Vfc = Rd*id-Vd or Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage. Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage, Drain current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage & The total instantaneous drain voltage is the voltage that falls across the gate-source terminal of the transistor.
How to calculate Input Voltage in Transistor?
Input Voltage in Transistor refers to the minimum voltage required to turn on the transistor and conduct current is calculated using Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage. To calculate Input Voltage in Transistor, you need Drain Resistance (Rd), Drain Current (id) & Total Instantaneous Drain Voltage (Vd). With our tool, you need to enter the respective value for Drain Resistance, Drain Current & Total Instantaneous Drain Voltage and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Fundamental Component Voltage?
In this formula, Fundamental Component Voltage uses Drain Resistance, Drain Current & Total Instantaneous Drain Voltage. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Fundamental Component Voltage = (Finite Input Resistance/(Finite Input Resistance+Signal Resistance))*Small Signal Voltage
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