Output Voltage of BJT Amplifier Calculator

✖Supply Voltage is the input voltage source that flows through the BJT.ⓘ Supply Voltage [V_DD]			+10% -10%
✖Drain Current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage.ⓘ Drain Current [I_d]			+10% -10%
✖Load Resistance is the external resistance or impedance that is connected to the output of a circuit or device, and it is used to extract power or signal from the circuit.ⓘ Load Resistance [R_L]			+10% -10%

✖Output Voltage signifies the voltage of the signal after it has been amplified.ⓘ Output Voltage of BJT Amplifier [V_o]

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Formula

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Output Voltage of BJT Amplifier

Formula

`"V"_{"o"} = "V"_{"DD"}-"I"_{"d"}*"R"_{"L"}`

Example

`"1.3V"="2.5V"-"0.3mA"*"4kΩ"`

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Output Voltage of BJT Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Output Voltage = Supply Voltage-Drain Current*Load Resistance
V_o = V_DD-I_d*R_L
This formula uses 4 Variables

Variables Used

Output Voltage - (Measured in Volt) - Output Voltage signifies the voltage of the signal after it has been amplified.
Supply Voltage - (Measured in Volt) - Supply Voltage is the input voltage source that flows through the BJT.
Drain Current - (Measured in Ampere) - Drain Current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage.
Load Resistance - (Measured in Ohm) - Load Resistance is the external resistance or impedance that is connected to the output of a circuit or device, and it is used to extract power or signal from the circuit.

STEP 1: Convert Input(s) to Base Unit

Supply Voltage: 2.5 Volt --> 2.5 Volt No Conversion Required
Drain Current: 0.3 Milliampere --> 0.0003 Ampere (Check conversion here)
Load Resistance: 4 Kilohm --> 4000 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_o = V_DD-I_d*R_L --> 2.5-0.0003*4000

Evaluating ... ...

V_o = 1.3

STEP 3: Convert Result to Output's Unit

1.3 Volt --> No Conversion Required

FINAL ANSWER

1.3 Volt <-- Output Voltage

(Calculation completed in 00.004 seconds)

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Credits

Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

Payal Priya has created this Calculator and 600+ more calculators!

Verified by Prahalad Singh

Jaipur Engineering College and Research Centre (JECRC), Jaipur

Prahalad Singh has verified this Calculator and 10+ more calculators!

< 12 Voltage Calculators

Finite Input Voltage of BJT at Unity Gain Frequency given Complex Frequency Variable

Go Input Voltage = Base Current/((1/Input Resistance)+Complex Frequency Variable*(Collector-Base Junction Capacitance+Base–Emitter Junction Capacitance))

Voltage across Collector-Emitter of BJT Amplifier

Go Collector-Emitter Voltage = Supply Voltage-Load Resistance*Saturation Current*e^(Base-Emitter Voltage/Threshold Voltage)

Finite Input Voltage of BJT at Unity Gain Frequency

Go Input Voltage = Base Current*(1/Input Resistance+1/Collector-Base Junction Capacitance+1/Emitter-Base Capacitance)

Single Component of Drain Voltage given Transconductance

Go Total Instantaneous Drain Voltage = -Transconductance*Input Voltage*Load Resistance

Voltage between Gate and Source

Go Gate to Source Voltage = Input Voltage/(1+Transconductance*Resistance)

Output Voltage given Transconductance

Go Output Voltage = -(Transconductance*Load Resistance*Input Voltage)

Small Signal Input Voltage given Transconductance

Go Small Signal = Input Voltage*(1/(1+Transconductance*Resistance))

Output Voltage of BJT Amplifier

Go Output Voltage = Supply Voltage-Drain Current*Load Resistance

Single Component of Drain Voltage

Go Total Instantaneous Drain Voltage = (-Change in Drain Current*Load Resistance)

Collector to Emitter Voltage at Saturation

Go Collector-Emitter Voltage = Base-Emitter Voltage-Base-Collector Voltage

Total Instantaneous Gate-to-Source Voltage

Go Gate to Source Voltage = Small Signal+Voltage Across Oxide

Supply Voltage at Maximum Power Dissipation

Go Supply Voltage = (pi*Power)/2

< 20 BJT Circuit Calculators

Transition Frequency of BJT

Go Transition Frequency = Transconductance/(2*pi*(Emitter-Base Capacitance+Collector-Base Junction Capacitance))

Base Current of PNP Transistor using Saturation Current

Go Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Emitter Voltage/Thermal Voltage)

Total Power Dissipated in BJT

Go Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current

Unity-Gain Bandwidth of BJT

Go Unity-Gain Bandwidth = Transconductance/(Emitter-Base Capacitance+Collector-Base Junction Capacitance)

Reference Current of BJT Mirror

Go Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain

Common Mode Rejection Ratio

Go Common Mode Rejection Ratio = 20*log10(Differential Mode Gain/Common Mode Gain)

Output Resistance of BJT

Go Resistance = (Supply Voltage+Collector-Emitter Voltage)/Collector Current

Thermal Equilibrium Concentration of Minority Charge Carrier

Go Thermal Equilibrium Concentration = ((Intrinsic Carrier Density)^2)/Doping Concentration of Base

Output Voltage of BJT Amplifier

Go Output Voltage = Supply Voltage-Drain Current*Load Resistance

Total Power Supplied in BJT

Go Power = Supply Voltage*(Collector Current+Input Current)

Common-Base Current Gain

Go Common-Base Current Gain = Common Emitter Current Gain/(Common Emitter Current Gain+1)

Collector to Emitter Voltage at Saturation

Go Collector-Emitter Voltage = Base-Emitter Voltage-Base-Collector Voltage

Base Current of PNP Transistor given Emitter Current

Go Base Current = Emitter Current/(Common Emitter Current Gain+1)

Base Current of PNP Transistor using Collector Current

Go Base Current = Collector Current/Common Emitter Current Gain

Collector Current using Emitter Current

Go Collector Current = Common-Base Current Gain*Emitter Current

Base Current of PNP Transistor using Common-Base Current Gain

Go Base Current = (1-Common-Base Current Gain)*Emitter Current

Collector Current of BJT

Go Collector Current = Emitter Current-Base Current

Emitter Current of BJT

Go Emitter Current = Collector Current+Base Current

Short-Circuit Transconductance

Go Transconductance = Output Current/Input Voltage

Intrinsic Gain of BJT

Go Intrinsic Gain = Early Voltage/Thermal Voltage

Output Voltage of BJT Amplifier Formula

Output Voltage = Supply Voltage-Drain Current*Load Resistance
V_o = V_DD-I_d*R_L

What is voltage amplifier definition?

An electronic circuit whose function is to accept an input voltage and produce a magnified, accurate replica of this voltage as an output voltage. The voltage gain of the amplifier is the amplitude ratio of the output voltage to the input voltage.

How to Calculate Output Voltage of BJT Amplifier?

Output Voltage of BJT Amplifier calculator uses Output Voltage = Supply Voltage-Drain Current*Load Resistance to calculate the Output Voltage, The Output Voltage of BJT Amplifier is when an electronic circuit whose function is to accept an input voltage and produce a magnified, accurate replica of this voltage as an output voltage. Output Voltage is denoted by V_o symbol.

How to calculate Output Voltage of BJT Amplifier using this online calculator? To use this online calculator for Output Voltage of BJT Amplifier, enter Supply Voltage (V_DD), Drain Current (I_d) & Load Resistance (R_L) and hit the calculate button. Here is how the Output Voltage of BJT Amplifier calculation can be explained with given input values -> 1.3 = 2.5-0.0003*4000.

FAQ

What is Output Voltage of BJT Amplifier?

The Output Voltage of BJT Amplifier is when an electronic circuit whose function is to accept an input voltage and produce a magnified, accurate replica of this voltage as an output voltage and is represented as V_o = V_DD-I_d*R_L or Output Voltage = Supply Voltage-Drain Current*Load Resistance. Supply Voltage is the input voltage source that flows through the BJT, Drain Current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage & Load Resistance is the external resistance or impedance that is connected to the output of a circuit or device, and it is used to extract power or signal from the circuit.

How to calculate Output Voltage of BJT Amplifier?

The Output Voltage of BJT Amplifier is when an electronic circuit whose function is to accept an input voltage and produce a magnified, accurate replica of this voltage as an output voltage is calculated using Output Voltage = Supply Voltage-Drain Current*Load Resistance. To calculate Output Voltage of BJT Amplifier, you need Supply Voltage (V_DD), Drain Current (I_d) & Load Resistance (R_L). With our tool, you need to enter the respective value for Supply Voltage, Drain Current & Load Resistance 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 Output Voltage?

In this formula, Output Voltage uses Supply Voltage, Drain Current & Load Resistance. We can use 1 other way(s) to calculate the same, which is/are as follows -

Output Voltage = -(Transconductance*Load Resistance*Input Voltage)

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