A differential transistor pair is a fundamental analog circuit component used in differential amplifiers to amplify voltage differences between two input signals while rejecting common-mode noise.
Commonly used trade names and technical identifiers for Differential transistor pair.
This component is used in the following industrial products
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The primary advantage is high common-mode rejection ratio (CMRR), which allows amplification of small differential signals while rejecting noise and interference common to both inputs.
Yes, MOSFET differential pairs are common in CMOS integrated circuits, offering very high input impedance and lower power consumption, though typically with slightly lower transconductance than BJT pairs.
Matched transistors in close proximity exhibit excellent thermal tracking, minimizing drift in offset voltage and bias currents over temperature variations.
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