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Emitter to Collector Delay Time Formula

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

τ ec = τ scr + τ c + τ b + τ e

τ_ec - Emitter Collector Delay Time?τ_scr - Base Collector Delay Time?τ_c - Collector Charging Time?τ_b - Base Transit Time?τ_e - Emitter Charging Time?

Emitter to Collector Delay Time Example

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Here is how the Emitter to Collector Delay Time equation looks like with Values.

Here is how the Emitter to Collector Delay Time equation looks like with Units.

Here is how the Emitter to Collector Delay Time equation looks like.

5295 = 5.5 + 6.4 + 10.1 + 5273

5295μs = 5.5μs + 6.4μs + 10.1μs + 5273μs

5295 = 5.5 + 6.4 + 10.1 + 5273

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Emitter to Collector Delay Time Solution

Follow our step by step solution on how to calculate Emitter to Collector Delay Time?

FIRST Step Consider the formula

τ ec = τ scr + τ c + τ b + τ e

Next Step Substitute values of Variables

∴

τ ec = 5.5μs + 6.4μs + 10.1μs + 5273μs

Next Step Convert Units

∴

τ ec = 5.5E-6s + 6.4E-6s + 1E-5s + 0.0053s

Next Step Prepare to Evaluate

∴

τ ec = 5.5E-6 + 6.4E-6 + 1E-5 + 0.0053

Next Step Evaluate

∴

τ ec = 0.005295s

LAST Step Convert to Output's Unit

∴

τ ec = 5295μs

Emitter to Collector Delay Time Formula Elements

Variables

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

Base Collector Delay Time

Base Collector Delay Time refers to the additional time taken by the signal to propagate through space charged region of base collector junction.

Symbol: τ_scr

Measurement: TimeUnit: μs

Note: Value should be greater than 0.

Formulas to find Base Collector Delay Time

Collector Charging Time

Collector charging time refers to the time taken for the minority carriers in the base region of a BJT to be swept out of the collector region after the transistor is turned off.

Symbol: τ_c

Measurement: TimeUnit: μs

Note: Value should be greater than 0.

Formulas to find Collector Charging Time

Base Transit Time

Base transit time is the average time the minority carriers need to traverse the quasi-neutral region in the base.

Symbol: τ_b

Measurement: TimeUnit: μs

Note: Value should be greater than 0.

Formulas to find Base Transit Time

Emitter Charging Time

Emitter charging time is defined as drift in the motion of the charged particles induced by a field when you forward bias the emitter junction you get a large diffusion.

Symbol: τ_e

Measurement: TimeUnit: μs

Note: Value should be greater than 0.

Formulas to find Emitter Charging Time

Other formulas in BJT Microwave Devices category

Go Cut-off Frequency of Microwave

f co = \frac{1}{2 \cdot π \cdot τ ec}

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)

How to Evaluate Emitter to Collector Delay Time?

Emitter to Collector Delay Time evaluator uses Emitter Collector Delay Time = Base Collector Delay Time+Collector Charging Time+Base Transit Time+Emitter Charging Time to evaluate the Emitter Collector Delay Time, The Emitter to Collector Delay Time formula is defined as the transit time across the base-collector depletion region or space.This is the time delay associated with the charge traversing the neutral emitter. Emitter Collector Delay Time is denoted by τ_ec symbol.

How to evaluate Emitter to Collector Delay Time using this online evaluator? To use this online evaluator for Emitter to Collector Delay Time, enter Base Collector Delay Time (τ_scr), Collector Charging Time (τ_c), Base Transit Time (τ_b) & Emitter Charging Time (τ_e) and hit the calculate button.

FAQs on Emitter to Collector Delay Time

What is the formula to find Emitter to Collector Delay Time?

The formula of Emitter to Collector Delay Time is expressed as Emitter Collector Delay Time = Base Collector Delay Time+Collector Charging Time+Base Transit Time+Emitter Charging Time. Here is an example- 5.3E+9 = 5.5E-06+6.4E-06+1.01E-05+0.005273.

How to calculate Emitter to Collector Delay Time?

With Base Collector Delay Time (τ_scr), Collector Charging Time (τ_c), Base Transit Time (τ_b) & Emitter Charging Time (τ_e) we can find Emitter to Collector Delay Time using the formula - Emitter Collector Delay Time = Base Collector Delay Time+Collector Charging Time+Base Transit Time+Emitter Charging Time.

Can the Emitter to Collector Delay Time be negative?

No, the Emitter to Collector Delay Time, measured in Time cannot be negative.

Which unit is used to measure Emitter to Collector Delay Time?

Emitter to Collector Delay Time is usually measured using the Microsecond[μs] for Time. Second[μs], Millisecond[μs], Nanosecond[μs] are the few other units in which Emitter to Collector Delay Time can be measured.

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Emitter to Collector Delay Time Formula

Emitter to Collector Delay Time Example

Emitter to Collector Delay Time Solution

Emitter to Collector Delay Time Formula Elements

Other formulas in BJT Microwave Devices category

How to Evaluate Emitter to Collector Delay Time?

FAQs on Emitter to Collector Delay Time

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