Upper 3dB Frequency of CE Amplifier Calculator

✖High frequency response is the gain of the voltage amplifier at frequencies less than those frequencies at which this gain is close to its maximum value.ⓘ High Frequency Response [A_hf]

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✖Upper 3-dB frequency is the cutoff frequency of an electronic amplifier stage at which the output power has dropped to half of its mid-band level.ⓘ Upper 3dB Frequency of CE Amplifier [f_u3dB]

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Formula

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Upper 3dB Frequency of CE Amplifier

Formula

f u3dB = 2 \cdot π \cdot A hf

Example

1.256637 Hz = 2 \cdot π \cdot 0.20

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Upper 3dB Frequency of CE Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Upper 3-dB Frequency = 2*pi*High Frequency Response
f_u3dB = 2*pi*A_hf
This formula uses 1 Constants, 2 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Upper 3-dB Frequency - (Measured in Hertz) - Upper 3-dB frequency is the cutoff frequency of an electronic amplifier stage at which the output power has dropped to half of its mid-band level.
High Frequency Response - High frequency response is the gain of the voltage amplifier at frequencies less than those frequencies at which this gain is close to its maximum value.

STEP 1: Convert Input(s) to Base Unit

High Frequency Response: 0.2 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_u3dB = 2*pi*A_hf --> 2*pi*0.2

Evaluating ... ...

f_u3dB = 1.25663706143592

STEP 3: Convert Result to Output's Unit

1.25663706143592 Hertz --> No Conversion Required

FINAL ANSWER

1.25663706143592 ≈ 1.256637 Hertz <-- Upper 3-dB Frequency

(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 Anshika Arya

National Institute Of Technology (NIT), Hamirpur

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< Response of CE Amplifier Calculators

Input Capacitance in High-Frequency Gain of CE Amplifier

Go Input Capacitance = Collector Base Junction Capacitance+Base Emitter Capacitance*(1+(Transconductance*Load Resistance))

High-Frequency Gain of CE Amplifier

Go High Frequency Response = Upper 3-dB Frequency/(2*pi)

Upper 3dB Frequency of CE Amplifier

Go Upper 3-dB Frequency = 2*pi*High Frequency Response

Mid Band Gain of CE Amplifier

Go Mid Band Gain = Output Voltage/Threshold Voltage

< Common Stage Amplifiers Calculators

Effective High Frequency Time Constant of CE Amplifier

Go Effective High Frequency Time Constant = Base Emitter Capacitance*Signal Resistance+(Collector Base Junction Capacitance*(Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance))+(Capacitance*Load Resistance)

High-Frequency Band given Complex Frequency Variable

Go Amplifier Gain in Mid Band = sqrt(((1+(3 dB Frequency/Frequency))*(1+(3 dB Frequency/Frequency Observed)))/((1+(3 dB Frequency/Pole Frequency))*(1+(3 dB Frequency/Second Pole Frequency))))

Collector Base Junction Resistance of CE Amplifier

Go Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance

Amplifier Bandwidth in Discrete-Circuit Amplifier

Go Amplifier Bandwidth = High Frequency-Low Frequency

Upper 3dB Frequency of CE Amplifier Formula

Upper 3-dB Frequency = 2*pi*High Frequency Response
f_u3dB = 2*pi*A_hf

What is meant by CE amplifier?

The common emitter amplifier is a three basic single-stage bipolar junction transistor and is used as a voltage amplifier. The input of this amplifier is taken from the base terminal, the output is collected from the collector terminal and the emitter terminal is common for both the terminals.

How to Calculate Upper 3dB Frequency of CE Amplifier?

Upper 3dB Frequency of CE Amplifier calculator uses Upper 3-dB Frequency = 2*pi*High Frequency Response to calculate the Upper 3-dB Frequency, Upper 3dB Frequency of CE Amplifier refers to the frequency beyond which the amplifier's output drops to -3dB relative to its input. This frequency is typically specified in the amplifier's datasheet and is a measure of the amplifier's high-frequency performance. Upper 3-dB Frequency is denoted by f_u3dB symbol.

How to calculate Upper 3dB Frequency of CE Amplifier using this online calculator? To use this online calculator for Upper 3dB Frequency of CE Amplifier, enter High Frequency Response (A_hf) and hit the calculate button. Here is how the Upper 3dB Frequency of CE Amplifier calculation can be explained with given input values -> 1.388584 = 2*pi*0.2.

FAQ

What is Upper 3dB Frequency of CE Amplifier?

Upper 3dB Frequency of CE Amplifier refers to the frequency beyond which the amplifier's output drops to -3dB relative to its input. This frequency is typically specified in the amplifier's datasheet and is a measure of the amplifier's high-frequency performance and is represented as f_u3dB = 2*pi*A_hf or Upper 3-dB Frequency = 2*pi*High Frequency Response. High frequency response is the gain of the voltage amplifier at frequencies less than those frequencies at which this gain is close to its maximum value.

How to calculate Upper 3dB Frequency of CE Amplifier?

Upper 3dB Frequency of CE Amplifier refers to the frequency beyond which the amplifier's output drops to -3dB relative to its input. This frequency is typically specified in the amplifier's datasheet and is a measure of the amplifier's high-frequency performance is calculated using Upper 3-dB Frequency = 2*pi*High Frequency Response. To calculate Upper 3dB Frequency of CE Amplifier, you need High Frequency Response (A_hf). With our tool, you need to enter the respective value for High Frequency Response 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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