Voltage Gain of Low Noise Amplifier given DC Voltage Drop Calculator

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Low Noise Amplifier

✖DC Voltage Drop v is the loss of electrical potential caused by the resistance of a conductor when a direct current flows through it.ⓘ DC Voltage Drop [V_rd]			+10% -10%
✖Gate to Source Voltage is the voltage applied between the gate and source terminals of a field-effect transistor.ⓘ Gate to Source Voltage [V_gs]			+10% -10%
✖Threshold Voltage is the minimum gate-to-source voltage that is needed to create a conducting path between the source and drain terminals of a field-effect transistor.ⓘ Threshold Voltage [V_th]			+10% -10%

✖Voltage Gain s a crucial parameter for low-noise amplifiers as it determines the amplifier's ability to amplify weak signals while minimizing noise.ⓘ Voltage Gain of Low Noise Amplifier given DC Voltage Drop [A_v]

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Formula

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Voltage Gain of Low Noise Amplifier given DC Voltage Drop

Formula

`"A"_{"v"} = 2*"V"_{"rd"}/("V"_{"gs"}-"V"_{"th"})`

Example

`"8"=2*"44V"/("43V"-"32V")`

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Voltage Gain of Low Noise Amplifier given DC Voltage Drop Solution

STEP 0: Pre-Calculation Summary

Formula Used

Voltage Gain = 2*DC Voltage Drop/(Gate to Source Voltage-Threshold Voltage)
A_v = 2*V_rd/(V_gs-V_th)
This formula uses 4 Variables

Variables Used

Voltage Gain - Voltage Gain s a crucial parameter for low-noise amplifiers as it determines the amplifier's ability to amplify weak signals while minimizing noise.
DC Voltage Drop - (Measured in Volt) - DC Voltage Drop v is the loss of electrical potential caused by the resistance of a conductor when a direct current flows through it.
Gate to Source Voltage - (Measured in Volt) - Gate to Source Voltage is the voltage applied between the gate and source terminals of a field-effect transistor.
Threshold Voltage - (Measured in Volt) - Threshold Voltage is the minimum gate-to-source voltage that is needed to create a conducting path between the source and drain terminals of a field-effect transistor.

STEP 1: Convert Input(s) to Base Unit

DC Voltage Drop: 44 Volt --> 44 Volt No Conversion Required
Gate to Source Voltage: 43 Volt --> 43 Volt No Conversion Required
Threshold Voltage: 32 Volt --> 32 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_v = 2*V_rd/(V_gs-V_th) --> 2*44/(43-32)

Evaluating ... ...

A_v = 8

STEP 3: Convert Result to Output's Unit

8 --> No Conversion Required

FINAL ANSWER

8 <-- Voltage Gain

(Calculation completed in 00.020 seconds)

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Created by Suma Madhuri

VIT University (VIT), Chennai

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Chandigarh University (CU), Punjab

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< 18 RF Microelectronics Calculators

Energy Stored in all Unit Capacitances

Go Energy Stored in All Unit Capacitances = (1/2)*Value of Unit capacitance*(sum(x,1,Number of Inductors,((Value of Node N/Number of Inductors)^2)*((Input Voltage)^2)))

Equivalent Capacitance for n Stacked Spirals

Go Equivalent Capacitance of N Stacked Spirals = 4*((sum(x,1,Number of Stacked Spirals-1,Inter Spiral Capacitance+Substrate Capacitance)))/(3*((Number of Stacked Spirals)^2))

Total Noise Power Introduced by Interferer

Go Total Noise Power of Interferer = int(Broadened Spectrum of Interferer*x,x,Lower End of the Desired Channel,Higher End of the Desired Channel)

Feedback Factor of Low Noise Amplifier

Go Feedback Factor = (Transconductance*Source Impedance-1)/(2*Transconductance*Source Impedance*Voltage Gain)

Return Loss of Low-Noise Amplifier

Go Return Loss = modulus((Input Impedance-Source Impedance)/(Input Impedance+Source Impedance))^2

Total Power Lost in Spiral

Go Total Power Lost in Spiral = sum(x,1,Number of Inductors,((Corresponding RC Branch Current)^2)*Substrate Resistance)

Noise Figure of Low Noise Amplifier

Go Noise Figure = 1+((4*Source Impedance)/Feedback Resistance)+Noise Factor of Transistor

Gate to Source Voltage of Low Noise Amplifier

Go Gate to Source Voltage = ((2*Drain Current)/(Transconductance))+Threshold Voltage

Threshold Voltage of Low Noise Amplifier

Go Threshold Voltage = Gate to Source Voltage-(2*Drain Current)/(Transconductance)

Transconductance of Low Noise Amplifier

Go Transconductance = (2*Drain Current)/(Gate to Source Voltage-Threshold Voltage)

Drain Current of Low Noise Amplifier

Go Drain Current = (Transconductance*(Gate to Source Voltage-Threshold Voltage))/2

Voltage Gain of Low Noise Amplifier given DC Voltage Drop

Go Voltage Gain = 2*DC Voltage Drop/(Gate to Source Voltage-Threshold Voltage)

Load Impedance of Low Noise Amplifier

Go Load Impedance = (Input Impedance-(1/Transconductance))/Feedback Factor

Input Impedance of Low Noise Amplifier

Go Input Impedance = (1/Transconductance)+Feedback Factor*Load Impedance

Output Impedance of Low Noise Amplifier

Go Output Impedance = (1/2)*(Feedback Resistance+Source Impedance)

Source Impedance of Low Noise Amplifier

Go Source Impedance = 2*Output Impedance-Feedback Resistance

Drain Resistance of Low Noise Amplifier

Go Drain Resistance = Voltage Gain/Transconductance

Voltage Gain of Low Noise Amplifier

Go Voltage Gain = Transconductance*Drain Resistance

Voltage Gain of Low Noise Amplifier given DC Voltage Drop Formula

Voltage Gain = 2*DC Voltage Drop/(Gate to Source Voltage-Threshold Voltage)
A_v = 2*V_rd/(V_gs-V_th)

How is voltage gain related to DC voltage drop?

In an LNA, the DC voltage drop across the transistor's drain-to-source terminals can affect the voltage gain. This is because the DC voltage drop affects the transistor's operating point, which in turn affects its transconductance, which is a crucial parameter for determining voltage gain.

How to Calculate Voltage Gain of Low Noise Amplifier given DC Voltage Drop?

Voltage Gain of Low Noise Amplifier given DC Voltage Drop calculator uses Voltage Gain = 2*DC Voltage Drop/(Gate to Source Voltage-Threshold Voltage) to calculate the Voltage Gain, The Voltage Gain of Low Noise Amplifier given DC Voltage Drop formula is defined as a measure of how much the amplifier can amplify a signal. It is typically expressed in decibels .The absolute value notation is used because the voltage gain can be either positive or negative. Voltage Gain is denoted by A_v symbol.

How to calculate Voltage Gain of Low Noise Amplifier given DC Voltage Drop using this online calculator? To use this online calculator for Voltage Gain of Low Noise Amplifier given DC Voltage Drop, enter DC Voltage Drop (V_rd), Gate to Source Voltage (V_gs) & Threshold Voltage (V_th) and hit the calculate button. Here is how the Voltage Gain of Low Noise Amplifier given DC Voltage Drop calculation can be explained with given input values -> 8 = 2*44/(43-32).

FAQ

What is Voltage Gain of Low Noise Amplifier given DC Voltage Drop?

The Voltage Gain of Low Noise Amplifier given DC Voltage Drop formula is defined as a measure of how much the amplifier can amplify a signal. It is typically expressed in decibels .The absolute value notation is used because the voltage gain can be either positive or negative and is represented as A_v = 2*V_rd/(V_gs-V_th) or Voltage Gain = 2*DC Voltage Drop/(Gate to Source Voltage-Threshold Voltage). DC Voltage Drop v is the loss of electrical potential caused by the resistance of a conductor when a direct current flows through it, Gate to Source Voltage is the voltage applied between the gate and source terminals of a field-effect transistor & Threshold Voltage is the minimum gate-to-source voltage that is needed to create a conducting path between the source and drain terminals of a field-effect transistor.

How to calculate Voltage Gain of Low Noise Amplifier given DC Voltage Drop?

The Voltage Gain of Low Noise Amplifier given DC Voltage Drop formula is defined as a measure of how much the amplifier can amplify a signal. It is typically expressed in decibels .The absolute value notation is used because the voltage gain can be either positive or negative is calculated using Voltage Gain = 2*DC Voltage Drop/(Gate to Source Voltage-Threshold Voltage). To calculate Voltage Gain of Low Noise Amplifier given DC Voltage Drop, you need DC Voltage Drop (V_rd), Gate to Source Voltage (V_gs) & Threshold Voltage (V_th). With our tool, you need to enter the respective value for DC Voltage Drop, Gate to Source Voltage & Threshold 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 Voltage Gain?

In this formula, Voltage Gain uses DC Voltage Drop, Gate to Source Voltage & Threshold Voltage. We can use 1 other way(s) to calculate the same, which is/are as follows -

Voltage Gain = Transconductance*Drain Resistance

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