Question
Download Solution PDFWhich of the following is a feature of a Darlington pair amplifier?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFDarlington Pair:
- Darlington pair is a special arrangement of two standard NPN or PNP bipolar junction transistors (BJT) connected together
- The Emitter of one transistor is connected to the base of the other to produce a more sensitive transistor with a much larger current gain
- It is useful in applications where current amplification or switching is required; The voltage gain is unity in this case.
- The output stage of the Darlington pair is a common collector stage hence it is having low output impedance and also it is having high input impedance.
The symbolic diagram of the Darlington pair is shown below
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