Dominant Pole-Frequency of Source-Follower Calculator

✖The frequency of Dominant Pole is the lowest frequency because it dominates the effect of all of the higher frequency poles.ⓘ Dominant Pole-Frequency of Source-Follower [f_dp]

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Dominant Pole-Frequency of Source-Follower

Formula

`"f"_{"dp"} = 1/(2*pi*"b")`

Example

`"0.134877Hz"=1/(2*pi*"1.180")`

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Dominant Pole-Frequency of Source-Follower Solution

STEP 0: Pre-Calculation Summary

Formula Used

Frequency of Dominant Pole = 1/(2*pi*Constant B)
f_dp = 1/(2*pi*b)
This formula uses 1 Constants, 2 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Frequency of Dominant Pole - (Measured in Hertz) - The frequency of Dominant Pole is the lowest frequency because it dominates the effect of all of the higher frequency poles.
Constant B - Constant B is one of the constant in Andrade's equation.

STEP 1: Convert Input(s) to Base Unit

Constant B: 1.18 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_dp = 1/(2*pi*b) --> 1/(2*pi*1.18)

Evaluating ... ...

f_dp = 0.13487707041686

STEP 3: Convert Result to Output's Unit

0.13487707041686 Hertz --> No Conversion Required

FINAL ANSWER

0.13487707041686 ≈ 0.134877 Hertz <-- Frequency of Dominant Pole

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electronics » Amplifiers » High Frequency Response Amplifiers » Response of Source and Emitter Follower » Dominant Pole-Frequency of Source-Follower

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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

Verified by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 7 Response of Source and Emitter Follower Calculators

Constant 2 of Source Follower Transfer Function

Go Constant B = (((Gate to Source Capacitance+Gate to Drain Capacitance)*Capacitance+(Gate to Source Capacitance+Gate to Source Capacitance))/(Transconductance*Load Resistance+1))*Signal Resistance*Load Resistance

Signal Voltage in High Frequency Response of Source and Emitter Follower

Go Output Voltage = (Electric Current*Signal Resistance)+Gate to Source Voltage+Threshold Voltage

Transition Frequency of Source-Follower Transfer Function

Go Transition Frequency = Transconductance/Gate to Source Capacitance

Gate to Source Capacitance of Source Follower

Go Gate to Source Capacitance = Transconductance/Transition Frequency

Transconductance of Source-Follower

Go Transconductance = Transition Frequency*Gate to Source Capacitance

Dominant Pole-Frequency of Source-Follower

Go Frequency of Dominant Pole = 1/(2*pi*Constant B)

Break Frequency of Source Follower

Go Break Frequency = 1/sqrt(Constant C)

< 20 Multi Stage Amplifiers Calculators

Constant 2 of Source Follower Transfer Function

Gain Bandwidth Product

Go Gain Bandwidth Product = (Transconductance*Load Resistance)/(2*pi*Load Resistance*(Capacitance+Gate to Drain Capacitance))

3-DB Frequency in Design Insight and Trade-Off

Go 3 dB Frequency = 1/(2*pi*(Capacitance+Gate to Drain Capacitance)*(1/(1/Load Resistance+1/Output Resistance)))

Transconductance of CC-CB Amplifier

Go Transconductance = (2*Voltage Gain)/((Resistance/(Resistance+Signal Resistance))*Load Resistance)

Overall Voltage Gain of CC CB Amplifier

Go Voltage Gain = 1/2*(Resistance/(Resistance+Signal Resistance))*Load Resistance*Transconductance

Signal Voltage in High Frequency Response of Source and Emitter Follower

Go Output Voltage = (Electric Current*Signal Resistance)+Gate to Source Voltage+Threshold Voltage

Input Resistance of CC CB Amplifier

Go Resistance = (Common Emitter Current Gain+1)*(Emitter Resistance+Resistance of Secondary Winding in Primary)

Total Capacitance of CB-CG Amplifier

Go Capacitance = 1/(2*pi*Load Resistance*Output Pole Frequency)

Dominant Pole Frequency of Differential Amplifier

Go Pole Frequency = 1/(2*pi*Capacitance*Output Resistance)

Frequency of Differential Amplifier given Load Resistance

Go Frequency = 1/(2*pi*Load Resistance*Capacitance)

Short Circuit Transconductance of Differential Amplifier

Go Short Circuit Transconductance = Output Current/Differential Input Signal

Transition Frequency of Source-Follower Transfer Function

Go Transition Frequency = Transconductance/Gate to Source Capacitance

Gate to Source Capacitance of Source Follower

Go Gate to Source Capacitance = Transconductance/Transition Frequency

Transconductance of Source-Follower

Go Transconductance = Transition Frequency*Gate to Source Capacitance

Drain Resistance in Cascode Amplifier

Go Drain Resistance = 1/(1/Finite Input Resistance+1/Resistance)

Amplifier Gain given Function of Complex Frequency Variable

Go Amplifier Gain in Mid Band = Mid Band Gain*Gain Factor

Gain Factor

Go Gain Factor = Amplifier Gain in Mid Band/Mid Band Gain

Dominant Pole-Frequency of Source-Follower

Go Frequency of Dominant Pole = 1/(2*pi*Constant B)

Power Gain of Amplifier given Voltage Gain and Current Gain

Go Power Gain = Voltage Gain*Current Gain

Break Frequency of Source Follower

Go Break Frequency = 1/sqrt(Constant C)

Dominant Pole-Frequency of Source-Follower Formula

Frequency of Dominant Pole = 1/(2*pi*Constant B)
f_dp = 1/(2*pi*b)

What is the purpose of source follower?

An important aspect of the source follower is to provide power or current gain. That is to say, drive a lower resistance (impedance) load from a higher resistance (impedance) stage. Thus it is instructive to measure the source follower output impedance.

How to Calculate Dominant Pole-Frequency of Source-Follower?

Dominant Pole-Frequency of Source-Follower calculator uses Frequency of Dominant Pole = 1/(2*pi*Constant B) to calculate the Frequency of Dominant Pole, The Dominant pole-frequency of source-follower formula is defined as that frequency at which transfer function of system approaches infinity" and similarly "A Zero frequency is that frequency at which transfer function of system approaches Zero". Frequency of Dominant Pole is denoted by f_dp symbol.

How to calculate Dominant Pole-Frequency of Source-Follower using this online calculator? To use this online calculator for Dominant Pole-Frequency of Source-Follower, enter Constant B (b) and hit the calculate button. Here is how the Dominant Pole-Frequency of Source-Follower calculation can be explained with given input values -> 0.134877 = 1/(2*pi*1.18).

FAQ

What is Dominant Pole-Frequency of Source-Follower?

How to calculate Dominant Pole-Frequency of Source-Follower?

The Dominant pole-frequency of source-follower formula is defined as that frequency at which transfer function of system approaches infinity" and similarly "A Zero frequency is that frequency at which transfer function of system approaches Zero" is calculated using Frequency of Dominant Pole = 1/(2*pi*Constant B). To calculate Dominant Pole-Frequency of Source-Follower, you need Constant B (b). With our tool, you need to enter the respective value for Constant B 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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