Small-Signal Voltage Gain with respect to Drain Resistance Calculator

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MOSFET BJT

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Small Signal Analysis Amplification Factor or Gain Biasing Common Mode Rejection Ratio (CMRR)Current Internal Capacitive Effects and High Frequency Model MOS Transistor MOSFET Characterstics N Channel Enhancement P Channel Enhancement Resistance Transconductance Voltage

✖Transconductance is defined as the ratio of the change in the output current to the change in the input voltage, with the gate-source voltage held constant.ⓘ Transconductance [g_m]			+10% -10%
✖Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output.ⓘ Output Resistance [R_out]			+10% -10%
✖Drain Resistance is defined as the resistance opposing the flow of current through the drain of the transistor.ⓘ Drain Resistance [R_d]			+10% -10%

✖Voltage gain is a measure of the amplification of an electrical signal by an amplifier . It is the ratio of the output voltage to the input voltage of the circuit, expressed in decibels (dB).ⓘ Small-Signal Voltage Gain with respect to Drain Resistance [A_v]

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Formula

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Small-Signal Voltage Gain with respect to Drain Resistance

Formula

A v = (g m \cdot (\frac{R out \cdot R d}{R out + R d}))

Example

0.005487 = (0.5 mS \cdot (\frac{4.5 kΩ \cdot 11 Ω}{4.5 kΩ + 11 Ω}))

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Small-Signal Voltage Gain with respect to Drain Resistance Solution

STEP 0: Pre-Calculation Summary

Formula Used

Voltage Gain = (Transconductance*((Output Resistance*Drain Resistance)/(Output Resistance+Drain Resistance)))
A_v = (g_m*((R_out*R_d)/(R_out+R_d)))
This formula uses 4 Variables

Variables Used

Voltage Gain - Voltage gain is a measure of the amplification of an electrical signal by an amplifier . It is the ratio of the output voltage to the input voltage of the circuit, expressed in decibels (dB).
Transconductance - (Measured in Siemens) - Transconductance is defined as the ratio of the change in the output current to the change in the input voltage, with the gate-source voltage held constant.
Output Resistance - (Measured in Ohm) - Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output.
Drain Resistance - (Measured in Ohm) - Drain Resistance is defined as the resistance opposing the flow of current through the drain of the transistor.

STEP 1: Convert Input(s) to Base Unit

Transconductance: 0.5 Millisiemens --> 0.0005 Siemens (Check conversion here)
Output Resistance: 4.5 Kilohm --> 4500 Ohm (Check conversion here)
Drain Resistance: 11 Ohm --> 11 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_v = (g_m*((R_out*R_d)/(R_out+R_d))) --> (0.0005*((4500*11)/(4500+11)))

Evaluating ... ...

A_v = 0.00548658833961428

STEP 3: Convert Result to Output's Unit

0.00548658833961428 --> No Conversion Required

FINAL ANSWER

0.00548658833961428 ≈ 0.005487 <-- Voltage Gain

(Calculation completed in 00.004 seconds)

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< 5 Small Signal Analysis Calculators

Common Drain Output Voltage in Small Signal

Go Output Voltage = Transconductance*Critical Voltage*((Source Resistance*Small Signal Resistance)/(Source Resistance+Small Signal Resistance))

Output Voltage of Small Signal P-Channel

Go Output Voltage = Transconductance*Source to Gate Voltage*((Output Resistance*Drain Resistance)/(Drain Resistance+Output Resistance))

Small-Signal Voltage Gain with respect to Drain Resistance

Go Voltage Gain = (Transconductance*((Output Resistance*Drain Resistance)/(Output Resistance+Drain Resistance)))

Transconductance Given Small Signal Parameters

Go Transconductance = 2*Transconductance Parameter*(DC Component of Gate to Source Voltage-Total Voltage)

Small Signal Output Voltage

Go Output Voltage = Transconductance*Source to Gate Voltage*Load Resistance

Small-Signal Voltage Gain with respect to Drain Resistance Formula

Voltage Gain = (Transconductance*((Output Resistance*Drain Resistance)/(Output Resistance+Drain Resistance)))
A_v = (g_m*((R_out*R_d)/(R_out+R_d)))

Why do we calculate voltage gain?

We calculate voltage gain to determine the amplifier's ability to increase the voltage of a signal while maintaining its original amplitude. This is important in audio and electronic circuits, as it helps to ensure that the amplified signal is not distorted or clipped.

How to Calculate Small-Signal Voltage Gain with respect to Drain Resistance?

Small-Signal Voltage Gain with respect to Drain Resistance calculator uses Voltage Gain = (Transconductance*((Output Resistance*Drain Resistance)/(Output Resistance+Drain Resistance))) to calculate the Voltage Gain, Small-Signal Voltage Gain with respect to Drain Resistance is a measure of the amplifier's ability to amplify small signals while minimizing distortion. It is defined as the ratio of the output voltage to the input voltage for a small signal input. Voltage Gain is denoted by A_v symbol.

How to calculate Small-Signal Voltage Gain with respect to Drain Resistance using this online calculator? To use this online calculator for Small-Signal Voltage Gain with respect to Drain Resistance, enter Transconductance (g_m), Output Resistance (R_out) & Drain Resistance (R_d) and hit the calculate button. Here is how the Small-Signal Voltage Gain with respect to Drain Resistance calculation can be explained with given input values -> 0.005487 = (0.0005*((4500*11)/(4500+11))).

FAQ

What is Small-Signal Voltage Gain with respect to Drain Resistance?

Small-Signal Voltage Gain with respect to Drain Resistance is a measure of the amplifier's ability to amplify small signals while minimizing distortion. It is defined as the ratio of the output voltage to the input voltage for a small signal input and is represented as A_v = (g_m*((R_out*R_d)/(R_out+R_d))) or Voltage Gain = (Transconductance*((Output Resistance*Drain Resistance)/(Output Resistance+Drain Resistance))). Transconductance is defined as the ratio of the change in the output current to the change in the input voltage, with the gate-source voltage held constant, Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output & Drain Resistance is defined as the resistance opposing the flow of current through the drain of the transistor.

How to calculate Small-Signal Voltage Gain with respect to Drain Resistance?

Small-Signal Voltage Gain with respect to Drain Resistance is a measure of the amplifier's ability to amplify small signals while minimizing distortion. It is defined as the ratio of the output voltage to the input voltage for a small signal input is calculated using Voltage Gain = (Transconductance*((Output Resistance*Drain Resistance)/(Output Resistance+Drain Resistance))). To calculate Small-Signal Voltage Gain with respect to Drain Resistance, you need Transconductance (g_m), Output Resistance (R_out) & Drain Resistance (R_d). With our tool, you need to enter the respective value for Transconductance, Output Resistance & Drain 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 Voltage Gain?

In this formula, Voltage Gain uses Transconductance, Output Resistance & Drain Resistance. We can use 3 other way(s) to calculate the same, which is/are as follows -

Voltage Gain = (Input Amplifier Resistance/(Input Amplifier Resistance+Self Induced Resistance))*((Source Resistance*Output Resistance)/(Source Resistance+Output Resistance))/(1/Transconductance+((Source Resistance*Output Resistance)/(Source Resistance+Output Resistance)))
Voltage Gain = (Transconductance*(1/((1/Load Resistance)+(1/Drain Resistance))))/(1+(Transconductance*Self Induced Resistance))
Voltage Gain = Transconductance*1/(1/Load Resistance+1/Finite Resistance)

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