DIFFERENTIAL AMPLIFIER AND BASIC OP-AMP GAIN STAGES
52 sections
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Sections
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What we have learnt
- Differential amplifiers amplify the difference between two signals while rejecting common-mode signals.
- Common Mode Rejection Ratio (CMRR) is crucial for understanding how well an amplifier can reject noise.
- Op-Amps consist of multiple stages that determine their gain and performance.
Key Concepts
- -- Differential Amplifier
- An amplifier that amplifies the difference between two input signals and rejects any signals common to both.
- -- Common Mode Rejection Ratio (CMRR)
- The ratio of the differential gain to the common-mode gain of an amplifier, indicating its ability to reject common-mode signals.
- -- Operational Amplifier (OpAmp)
- A high-gain voltage amplifier with differential inputs and a single output, used in a variety of analog circuits.
- -- GainBandwidth Product
- A constant value that represents the product of an amplifier's gain and bandwidth.
- -- Transconductance
- The ability of a device (like a transistor) to convert voltage into current, crucial for understanding amplifier behavior.
Additional Learning Materials
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