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Upper 3dB Frequency of CE Amplifier Formula

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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. Check FAQs

f u3dB = 2 \cdot π \cdot A hf

f_u3dB - Upper 3-dB Frequency?A_hf - High Frequency Response?π - Archimedes' constant?

Upper 3dB Frequency of CE Amplifier Example

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Here is how the Upper 3dB Frequency of CE Amplifier equation looks like with Values.

Here is how the Upper 3dB Frequency of CE Amplifier equation looks like with Units.

Here is how the Upper 3dB Frequency of CE Amplifier equation looks like.

1.2566 = 2 \cdot 3.1416 \cdot 0.2

1.2566Hz = 2 \cdot 3.1416 \cdot 0.2

1.2566 = 2 \cdot 3.1416 \cdot 0.2

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Upper 3dB Frequency of CE Amplifier Solution

Follow our step by step solution on how to calculate Upper 3dB Frequency of CE Amplifier?

FIRST Step Consider the formula

f u3dB = 2 \cdot π \cdot A hf

Next Step Substitute values of Variables

∴

f u3dB = 2 \cdot π \cdot 0.2

Next Step Substitute values of Constants

∴

f u3dB = 2 \cdot 3.1416 \cdot 0.2

Next Step Prepare to Evaluate

∴

f u3dB = 2 \cdot 3.1416 \cdot 0.2

Next Step Evaluate

∴

f u3dB = 1.25663706143592Hz

LAST Step Rounding Answer

∴

f u3dB = 1.2566Hz

Upper 3dB Frequency of CE Amplifier Formula Elements

Variables

Constants

Upper 3-dB Frequency

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.

Symbol: f_u3dB

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Upper 3-dB Frequency

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.

Symbol: A_hf

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find High Frequency Response

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other formulas in Response of CE Amplifier category

Go Amplifier Bandwidth in Discrete-Circuit Amplifier

BW = f h - f L

Go Collector Base Junction Resistance of CE Amplifier

R c = R sig \cdot (1 + g m \cdot R L) + R L

Go Effective High Frequency Time Constant of CE Amplifier

𝜏 H = C be \cdot R sig + (C cb \cdot (R sig \cdot (1 + g m \cdot R L) + R L)) + (C t \cdot R L)

Go High-Frequency Band given Complex Frequency Variable

A m = \sqrt{\frac{(1 + (\frac{f 3dB}{f t})) \cdot (1 + (\frac{f 3dB}{f o}))}{(1 + (\frac{f 3dB}{f p})) \cdot (1 + (\frac{f 3dB}{f p2}))}}

How to Evaluate Upper 3dB Frequency of CE Amplifier?

Upper 3dB Frequency of CE Amplifier evaluator uses Upper 3-dB Frequency = 2*pi*High Frequency Response to evaluate 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 evaluate Upper 3dB Frequency of CE Amplifier using this online evaluator? To use this online evaluator for Upper 3dB Frequency of CE Amplifier, enter High Frequency Response (A_hf) and hit the calculate button.

FAQs on Upper 3dB Frequency of CE Amplifier

What is the formula to find Upper 3dB Frequency of CE Amplifier?

The formula of Upper 3dB Frequency of CE Amplifier is expressed as Upper 3-dB Frequency = 2*pi*High Frequency Response. Here is an example- 1.388584 = 2*pi*0.2.

How to calculate Upper 3dB Frequency of CE Amplifier?

With High Frequency Response (A_hf) we can find Upper 3dB Frequency of CE Amplifier using the formula - Upper 3-dB Frequency = 2*pi*High Frequency Response. This formula also uses Archimedes' constant .

Can the Upper 3dB Frequency of CE Amplifier be negative?

No, the Upper 3dB Frequency of CE Amplifier, measured in Frequency cannot be negative.

Which unit is used to measure Upper 3dB Frequency of CE Amplifier?

Upper 3dB Frequency of CE Amplifier is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Upper 3dB Frequency of CE Amplifier can be measured.

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