Question
Download Solution PDFWhich type of BJT configuration is providing the maximum power gain?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCommon emitter configuration is providing the maximum power gain.
Working configuration of BJT
|
Characteristic |
Common Base |
Common Emitter |
Common Collector |
|
Input resistance |
Very low (40 Ω) |
Low (50 kΩ) |
Very high (750 kΩ) |
|
Output resistance |
Very high (1 MΩ) |
High (10 kΩ) |
Low (50 Ω) |
|
Current gain |
Less than unity |
High (100) |
High (100) |
|
Voltage gain |
Small |
High (500) |
Less than unity |
|
Phase Shift |
0° |
180° |
0° |
The power gain is the product of voltage and current gain.
\(A_p=A_v\times A_I\)
Since the voltage and current gain of the CE configuration are high, hence the power gain is also maximum.
Last updated on May 9, 2025
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