Emitter Base Charging Time Calculator

✖Emitter collector delay time is defined as the transit time across the base-collector depletion region or space.ⓘ Emitter Collector Delay Time [τ_ec]			+10% -10%
✖Base Collector Delay Time refers to the additional time taken by the signal to propagate through space charged region of base collector junction.ⓘ Base Collector Delay Time [τ_scr]			+10% -10%
✖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.ⓘ Collector Charging Time [τ_c]			+10% -10%
✖Base transit time is the average time the minority carriers need to traverse the quasi-neutral region in the base.ⓘ Base Transit Time [τ_b]			+10% -10%

✖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.ⓘ Emitter Base Charging Time [τ_e]

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Emitter Base Charging Time Solution

STEP 0: Pre-Calculation Summary

Formula Used

Emitter Charging Time = Emitter Collector Delay Time-(Base Collector Delay Time+Collector Charging Time+Base Transit Time)
τ_e = τ_ec-(τ_scr+τ_c+τ_b)
This formula uses 5 Variables

Variables Used

Emitter Charging Time - (Measured in Second) - 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.
Emitter Collector Delay Time - (Measured in Second) - Emitter collector delay time is defined as the transit time across the base-collector depletion region or space.
Base Collector Delay Time - (Measured in Second) - Base Collector Delay Time refers to the additional time taken by the signal to propagate through space charged region of base collector junction.
Collector Charging Time - (Measured in Second) - 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.
Base Transit Time - (Measured in Second) - Base transit time is the average time the minority carriers need to traverse the quasi-neutral region in the base.

STEP 1: Convert Input(s) to Base Unit

Emitter Collector Delay Time: 5295 Microsecond --> 0.005295 Second (Check conversion here)
Base Collector Delay Time: 5.5 Microsecond --> 5.5E-06 Second (Check conversion here)
Collector Charging Time: 6.4 Microsecond --> 6.4E-06 Second (Check conversion here)
Base Transit Time: 10.1 Microsecond --> 1.01E-05 Second (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

τ_e = τ_ec-(τ_scr+τ_c+τ_b) --> 0.005295-(5.5E-06+6.4E-06+1.01E-05)

Evaluating ... ...

τ_e = 0.005273

STEP 3: Convert Result to Output's Unit

0.005273 Second -->5273 Microsecond (Check conversion here)

FINAL ANSWER

5273 Microsecond <-- Emitter Charging Time

(Calculation completed in 00.004 seconds)

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Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

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< BJT Microwave Devices Calculators

Base Collector Delay Time

LaTeX Go Base Collector Delay Time = Emitter Collector Delay Time-(Collector Charging Time+Base Transit Time+Emitter Charging Time)

Collector Charging Time

LaTeX Go Collector Charging Time = Emitter Collector Delay Time-(Base Collector Delay Time+Base Transit Time+Emitter Charging Time)

Base Transit Time

LaTeX Go Base Transit Time = Emitter Collector Delay Time-(Base Collector Delay Time+Collector Charging Time+Emitter Charging Time)

Cut-off Frequency of Microwave

LaTeX Go Cut-off Frequency in BJT = 1/(2*pi*Emitter Collector Delay Time)

Emitter Base Charging Time Formula

LaTeX Go

Emitter Charging Time = Emitter Collector Delay Time-(Base Collector Delay Time+Collector Charging Time+Base Transit Time)
τ_e = τ_ec-(τ_scr+τ_c+τ_b)

What are junctions?

A microwave circuit consists of several microwave devices connected in some way to achieve the desired transmission of MW signal.

How to Calculate Emitter Base Charging Time?

Emitter Base Charging Time calculator uses Emitter Charging Time = Emitter Collector Delay Time-(Base Collector Delay Time+Collector Charging Time+Base Transit Time) to calculate the Emitter Charging Time, Emitter Base Charging Time is the time required for the charge carriers to travel across the base region and reach the collector in a bipolar junction transistor (BJT) during the switching process. It is also known as the minority carrier storage time or base transit time. Emitter Charging Time is denoted by τ_e symbol.

How to calculate Emitter Base Charging Time using this online calculator? To use this online calculator for Emitter Base Charging Time, enter Emitter Collector Delay Time (τ_ec), Base Collector Delay Time (τ_scr), Collector Charging Time (τ_c) & Base Transit Time (τ_b) and hit the calculate button. Here is how the Emitter Base Charging Time calculation can be explained with given input values -> 5.3E+9 = 0.005295-(5.5E-06+6.4E-06+1.01E-05).

FAQ

What is Emitter Base Charging Time?

Emitter Base Charging Time is the time required for the charge carriers to travel across the base region and reach the collector in a bipolar junction transistor (BJT) during the switching process. It is also known as the minority carrier storage time or base transit time and is represented as τ_e = τ_ec-(τ_scr+τ_c+τ_b) or Emitter Charging Time = Emitter Collector Delay Time-(Base Collector Delay Time+Collector Charging Time+Base Transit Time). Emitter collector delay time is defined as the transit time across the base-collector depletion region or space, Base Collector Delay Time refers to the additional time taken by the signal to propagate through space charged region of base collector junction, 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 & Base transit time is the average time the minority carriers need to traverse the quasi-neutral region in the base.

How to calculate Emitter Base Charging Time?

Emitter Base Charging Time is the time required for the charge carriers to travel across the base region and reach the collector in a bipolar junction transistor (BJT) during the switching process. It is also known as the minority carrier storage time or base transit time is calculated using Emitter Charging Time = Emitter Collector Delay Time-(Base Collector Delay Time+Collector Charging Time+Base Transit Time). To calculate Emitter Base Charging Time, you need Emitter Collector Delay Time (τ_ec), Base Collector Delay Time (τ_scr), Collector Charging Time (τ_c) & Base Transit Time (τ_b). With our tool, you need to enter the respective value for Emitter Collector Delay Time, Base Collector Delay Time, Collector Charging Time & Base Transit Time 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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