Source-Degenerated Transconductance of CS Amplifier Calculator

✖Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device.ⓘ Transconductance [g_m]			+10% -10%
✖Source-degenerated resistance refers to an increased resistance at the source terminal in a transistor due to added external components.ⓘ Source-Degenerated Resistance [R_sd]			+10% -10%

✖Source Degenerated Transconductance is a method in electronics where a resistor is used in the source of a transistor to control its amplification capability, enhancing stability and linearity.ⓘ Source-Degenerated Transconductance of CS Amplifier [g_sd]

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Source-Degenerated Transconductance of CS Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Source Degenerated Transconductance = Transconductance/(1+Transconductance*Source-Degenerated Resistance)
g_sd = g_m/(1+g_m*R_sd)
This formula uses 3 Variables

Variables Used

Source Degenerated Transconductance - (Measured in Siemens) - Source Degenerated Transconductance is a method in electronics where a resistor is used in the source of a transistor to control its amplification capability, enhancing stability and linearity.
Transconductance - (Measured in Siemens) - Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device.
Source-Degenerated Resistance - (Measured in Ohm) - Source-degenerated resistance refers to an increased resistance at the source terminal in a transistor due to added external components.

STEP 1: Convert Input(s) to Base Unit

Transconductance: 4.8 Millisiemens --> 0.0048 Siemens (Check conversion here)
Source-Degenerated Resistance: 0.75 Kilohm --> 750 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

g_sd = g_m/(1+g_m*R_sd) --> 0.0048/(1+0.0048*750)

Evaluating ... ...

g_sd = 0.00104347826086957

STEP 3: Convert Result to Output's Unit

0.00104347826086957 Siemens -->1.04347826086957 Millisiemens (Check conversion here)

FINAL ANSWER

1.04347826086957 ≈ 1.043478 Millisiemens <-- Source Degenerated Transconductance

(Calculation completed in 00.006 seconds)

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Birsa Institute of Technology (BIT), Sindri

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< Response of CS Amplifier Calculators

Output Voltage of CS Amplifier

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

Equivalent Signal Resistance of CS Amplifier

LaTeX Go Internal Small Signal Resistance = 1/((1/Signal Resistance+1/Output Resistance))

Frequency of Zero Transmission of CS Amplifier

LaTeX Go Transmission Frequency = 1/(Bypass Capacitor*Signal Resistance)

Midband Gain of CS Amplifier

LaTeX Go Mid Band Gain = Output Voltage/Small Signal Voltage

Source-Degenerated Transconductance of CS Amplifier Formula

LaTeX Go

Source Degenerated Transconductance = Transconductance/(1+Transconductance*Source-Degenerated Resistance)
g_sd = g_m/(1+g_m*R_sd)

What is wideband amplifier? What is source degeneration?

The wideband amplifier, will be used to supply power to integrated circuits, the operational amplifiers will have a load at their outputs. As the load resistance increases, the op-amp's output resistance becomes less dominant, specifically in the low frequency range.

Source degeneration boosts the output impedance, but decreases the usable output swing.

How to Calculate Source-Degenerated Transconductance of CS Amplifier?

Source-Degenerated Transconductance of CS Amplifier calculator uses Source Degenerated Transconductance = Transconductance/(1+Transconductance*Source-Degenerated Resistance) to calculate the Source Degenerated Transconductance, Source-Degenerated Transconductance of CS Amplifier formula is defined as the electrical characteristic relating the current through the output of a device to the voltage across the input of a device. Conductance is the reciprocal of resistance. Source Degenerated Transconductance is denoted by g_sd symbol.

How to calculate Source-Degenerated Transconductance of CS Amplifier using this online calculator? To use this online calculator for Source-Degenerated Transconductance of CS Amplifier, enter Transconductance (g_m) & Source-Degenerated Resistance (R_sd) and hit the calculate button. Here is how the Source-Degenerated Transconductance of CS Amplifier calculation can be explained with given input values -> 1043.478 = 0.0048/(1+0.0048*750).

FAQ

What is Source-Degenerated Transconductance of CS Amplifier?

Source-Degenerated Transconductance of CS Amplifier formula is defined as the electrical characteristic relating the current through the output of a device to the voltage across the input of a device. Conductance is the reciprocal of resistance and is represented as g_sd = g_m/(1+g_m*R_sd) or Source Degenerated Transconductance = Transconductance/(1+Transconductance*Source-Degenerated Resistance). Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device & Source-degenerated resistance refers to an increased resistance at the source terminal in a transistor due to added external components.

How to calculate Source-Degenerated Transconductance of CS Amplifier?

Source-Degenerated Transconductance of CS Amplifier formula is defined as the electrical characteristic relating the current through the output of a device to the voltage across the input of a device. Conductance is the reciprocal of resistance is calculated using Source Degenerated Transconductance = Transconductance/(1+Transconductance*Source-Degenerated Resistance). To calculate Source-Degenerated Transconductance of CS Amplifier, you need Transconductance (g_m) & Source-Degenerated Resistance (R_sd). With our tool, you need to enter the respective value for Transconductance & Source-Degenerated Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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