Question
Download Solution PDFInput and output from a common-base amplifier are fed to an oscilloscope to see their phase relationship. The Lissajous figure is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 3.
Explanation
The Lissajous figure obtained for different angles of phase shit is given below:
Common-base amplifier
For the common base configuration to operate as an amplifier, the input signal is applied to the emitter terminal and the output is taken from the collector terminal.
In a common-base amplifier, the phase difference between input and output is 0°.
Hence, the Lissajous figure would be a straight line.
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