Short-Circuit Current Gain Solution

STEP 0: Pre-Calculation Summary
Formula Used
Current Gain = Output Current/Input Current
Ai = Io/Iin
This formula uses 3 Variables
Variables Used
Current Gain - Current Gain is the ratio of output current to the input current of an amplifier is defined as current gain.
Output Current - (Measured in Ampere) - The Output Current of the amplifier is defined as the maximum current that can be supplied to the load.
Input Current - (Measured in Ampere) - Input Current is defined as any closed-loop configuration in which the error signal used for feedback is in the form of a current.
STEP 1: Convert Input(s) to Base Unit
Output Current: 4.3 Milliampere --> 0.0043 Ampere (Check conversion here)
Input Current: 1.45 Milliampere --> 0.00145 Ampere (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ai = Io/Iin --> 0.0043/0.00145
Evaluating ... ...
Ai = 2.96551724137931
STEP 3: Convert Result to Output's Unit
2.96551724137931 --> No Conversion Required
FINAL ANSWER
2.96551724137931 2.965517 <-- Current Gain
(Calculation completed in 00.004 seconds)

Credits

Created by Devyaani Garg
Shiv Nadar University (SNU), Greater Noida
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16 Amplification Factor/Gain Calculators

Amplification Factor of BJT
Go BJT Amplification Factor = (Collector Current/Threshold Voltage)*((Positive DC Voltage+Collector-Emitter Voltage)/Collector Current)
Overall Voltage Gain of Amplifier when Load Resistance is Connected to Output
Go Voltage Gain = Common-Base Current Gain*(1/Collector Resistance+1/Load Resistance)^-1/(Signal Resistance+Emitter Resistance)
Overall Voltage Gain of Buffer Amplifier given Load Resistance
Go Voltage Gain = Load Resistance/(Load Resistance+Emitter Resistance+Signal Resistance/(Common Emitter Current Gain+1))
Overall Voltage Gain given Load Resistance of BJT
Go Voltage Gain = -Transconductance*((Collector Resistance*Load Resistance)/(Collector Resistance+Load Resistance))
Common Mode Gain of BJT
Go Common Mode Gain = -(Collector Resistance/(2*Output Resistance))*(Change in Collector Resistance/Collector Resistance)
Total Power Dissipated in BJT
Go Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current
Voltage Gain given all Voltages
Go Voltage Gain = -(Supply Voltage-Collector-Emitter Voltage)/Thermal Voltage
Voltage Gain given Collector Current
Go Voltage Gain = -(Collector Current/Thermal Voltage)*Collector Resistance
Total Power Supplied in BJT
Go Power = Supply Voltage*(Collector Current+Input Current)
Common-Base Current Gain
Go Common-Base Current Gain = Common Emitter Current Gain/(Common Emitter Current Gain+1)
Common-Emitter Current Gain using Common-Base Current Gain
Go Common Emitter Current Gain = Common-Base Current Gain/(1-Common-Base Current Gain)
Open Circuit Voltage Gain given Open Circuit Transresistance
Go Open Circuit Voltage Gain = Open Circuit Transresistance/Input Resistance
Forced Common-Emitter Current Gain
Go Forced Common-Emitter Current Gain = Collector Current/Base Current
Voltage Gain given Transconductance and Collector Resistance
Go Voltage Gain = -Transconductance*Collector Resistance
Intrinsic Gain of BJT
Go Intrinsic Gain = Early Voltage/Thermal Voltage
Short-Circuit Current Gain
Go Current Gain = Output Current/Input Current

Short-Circuit Current Gain Formula

Current Gain = Output Current/Input Current
Ai = Io/Iin

What are the initial conditions assumed while calculating short-circuit current gain?

This calculation is performed under the condition that instantaneous output voltage is zero, also input impedance (Ri) is zero and output impedance (Ro) is infinite.

How to Calculate Short-Circuit Current Gain?

Short-Circuit Current Gain calculator uses Current Gain = Output Current/Input Current to calculate the Current Gain, The Short-Circuit Current Gain is the measure of the maximum output current the amplifier can drive, it means if you short the output, it is the measure of how much current will flow. Current Gain is denoted by Ai symbol.

How to calculate Short-Circuit Current Gain using this online calculator? To use this online calculator for Short-Circuit Current Gain, enter Output Current (Io) & Input Current (Iin) and hit the calculate button. Here is how the Short-Circuit Current Gain calculation can be explained with given input values -> 2.965517 = 0.0043/0.00145.

FAQ

What is Short-Circuit Current Gain?
The Short-Circuit Current Gain is the measure of the maximum output current the amplifier can drive, it means if you short the output, it is the measure of how much current will flow and is represented as Ai = Io/Iin or Current Gain = Output Current/Input Current. The Output Current of the amplifier is defined as the maximum current that can be supplied to the load & Input Current is defined as any closed-loop configuration in which the error signal used for feedback is in the form of a current.
How to calculate Short-Circuit Current Gain?
The Short-Circuit Current Gain is the measure of the maximum output current the amplifier can drive, it means if you short the output, it is the measure of how much current will flow is calculated using Current Gain = Output Current/Input Current. To calculate Short-Circuit Current Gain, you need Output Current (Io) & Input Current (Iin). With our tool, you need to enter the respective value for Output Current & Input Current 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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