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Cut-off Frequency of Microwave Formula

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Cut-off frequency in BJT is defined as corner frequency is a boundary in system's frequency response at which energy flowing through system begins to be reduced rather than passing through. Check FAQs

f co = \frac{1}{2 \cdot π \cdot τ ec}

f_co - Cut-off Frequency in BJT?τ_ec - Emitter Collector Delay Time?π - Archimedes' constant?

Cut-off Frequency of Microwave Example

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Here is how the Cut-off Frequency of Microwave equation looks like with Values.

Here is how the Cut-off Frequency of Microwave equation looks like with Units.

Here is how the Cut-off Frequency of Microwave equation looks like.

30.0576 = \frac{1}{2 \cdot 3.1416 \cdot 5295}

30.0576Hz = \frac{1}{2 \cdot 3.1416 \cdot 5295μs}

30.0576 = \frac{1}{2 \cdot 3.1416 \cdot 5295}

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Cut-off Frequency of Microwave Solution

Follow our step by step solution on how to calculate Cut-off Frequency of Microwave?

FIRST Step Consider the formula

f co = \frac{1}{2 \cdot π \cdot τ ec}

Next Step Substitute values of Variables

∴

f co = \frac{1}{2 \cdot π \cdot 5295μs}

Next Step Substitute values of Constants

∴

f co = \frac{1}{2 \cdot 3.1416 \cdot 5295μs}

Next Step Convert Units

∴

f co = \frac{1}{2 \cdot 3.1416 \cdot 0.0053s}

Next Step Prepare to Evaluate

∴

f co = \frac{1}{2 \cdot 3.1416 \cdot 0.0053}

Next Step Evaluate

∴

f co = 30.0575907633419Hz

LAST Step Rounding Answer

∴

f co = 30.0576Hz

Cut-off Frequency of Microwave Formula Elements

Variables

Constants

Cut-off Frequency in BJT

Cut-off frequency in BJT is defined as corner frequency is a boundary in system's frequency response at which energy flowing through system begins to be reduced rather than passing through.

Symbol: f_co

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Cut-off Frequency in BJT

Emitter Collector Delay Time

Emitter collector delay time is defined as the transit time across the base-collector depletion region or space.

Symbol: τ_ec

Measurement: TimeUnit: μs

Note: Value should be greater than 0.

Formulas to find Emitter Collector Delay Time

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 BJT Microwave Devices category

Go Base Transit Time

τ b = τ ec - (τ scr + τ c + τ e)

Go Base Collector Delay Time

τ scr = τ ec - (τ c + τ b + τ e)

Go Collector Charging Time

τ c = τ ec - (τ scr + τ b + τ e)

Go Maximum Frequency of Oscillations

f m = \sqrt{\frac{f T}{8 \cdot π \cdot R b \cdot C c}}

How to Evaluate Cut-off Frequency of Microwave?

Cut-off Frequency of Microwave evaluator uses Cut-off Frequency in BJT = 1/(2*pi*Emitter Collector Delay Time) to evaluate the Cut-off Frequency in BJT, The Cut-off Frequency of microwave formula is defined as corner frequency, or break frequency is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced rather than passing through. Cut-off Frequency in BJT is denoted by f_co symbol.

How to evaluate Cut-off Frequency of Microwave using this online evaluator? To use this online evaluator for Cut-off Frequency of Microwave, enter Emitter Collector Delay Time (τ_ec) and hit the calculate button.

FAQs on Cut-off Frequency of Microwave

What is the formula to find Cut-off Frequency of Microwave?

The formula of Cut-off Frequency of Microwave is expressed as Cut-off Frequency in BJT = 1/(2*pi*Emitter Collector Delay Time). Here is an example- 30.05759 = 1/(2*pi*0.005295).

How to calculate Cut-off Frequency of Microwave?

With Emitter Collector Delay Time (τ_ec) we can find Cut-off Frequency of Microwave using the formula - Cut-off Frequency in BJT = 1/(2*pi*Emitter Collector Delay Time). This formula also uses Archimedes' constant .

Can the Cut-off Frequency of Microwave be negative?

No, the Cut-off Frequency of Microwave, measured in Frequency cannot be negative.

Which unit is used to measure Cut-off Frequency of Microwave?

Cut-off Frequency of Microwave is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Cut-off Frequency of Microwave can be measured.

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