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close this bookAmplifier Teaching Aid (GTZ, DED; 86 pages)
View the documentPreface
View the documentIntroduction
Open this folder and view contentsLesson 1 - Semiconductor Review
close this folderLesson 2 - Bipolar Transistor
close this folderLesson Plan
View the documentIntroduction
View the documentTransistor structures and symbols
View the documentTransistor currents
View the documentCurrent gain
View the documentTransistor connections
View the documentWorksheet No. 2
View the documentExperiment No. 2
Open this folder and view contentsBipolar Transistor II
View the documentFirst Evaluation
Open this folder and view contentsLesson 4 - Transistor Fundamentals
Open this folder and view contentsLesson 5 - Transistor Biasing
Open this folder and view contentsLesson 6 - Transistor Biasing II
View the documentSecond Evaluation
Open this folder and view contentsLesson 7 - Small Signal Amplifier
Open this folder and view contentsLesson 8 - Small Signal Amplifier II
Open this folder and view contentsLesson 9 - Small Signal Amplifier III
Open this folder and view contentsLesson 10 - Large Signal Amplifier
View the documentThird Evaluation
 

Current gain

Transistor circuits provide the power gain that is needed in electronic applications. They also provide voltage gain and current gain (βdc). Current gain βdc of a transistor is defined as:

Ex:

IC = 10 mA

IB = 40 μA


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