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Differential Amplifiers - Differential and Common Mode Gain, Derivation, Formulas, Simplifications
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In this video the derivation of the real output voltage of a differential amplifier is discussed.
Starting with a simple circuit of a differential amplifier with MOSFETs, we derive the formulas for the differential mode gain as well as the common mode gain. With these formulas we finally define the equation for the real output voltage of our differential amplifier circuit.
Tutor: Clara Scheiber
Chapters:
00:00 Intro
00:53 Used Circuit
01:39 Definitions
02:44 Derivation of the Differential Mode Gain
06:11 Derivation of gm
06:42 Derivation of the Common Mode Gain
10:11 Final Equation
10:20 Conclusion
10:53 Outro
Additional Links:
- Institute of Electronics:
- Social Media:
- iMooX:
#electronics #differentialamplifiers #transistorcircuits #microelectronics
Starting with a simple circuit of a differential amplifier with MOSFETs, we derive the formulas for the differential mode gain as well as the common mode gain. With these formulas we finally define the equation for the real output voltage of our differential amplifier circuit.
Tutor: Clara Scheiber
Chapters:
00:00 Intro
00:53 Used Circuit
01:39 Definitions
02:44 Derivation of the Differential Mode Gain
06:11 Derivation of gm
06:42 Derivation of the Common Mode Gain
10:11 Final Equation
10:20 Conclusion
10:53 Outro
Additional Links:
- Institute of Electronics:
- Social Media:
- iMooX:
#electronics #differentialamplifiers #transistorcircuits #microelectronics
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