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Tamara Alani is credited as an author and presenter of Texas Instruments technical material on precision analog measurement. The TI application report Increasing INA117 and INA149 Differential Input Range by Tamara Alani carries her byline, while the existing TI Precision Labs presentation credits her with its preparation and presentation. These sources establish a specific technical contribution without requiring an inferred personal biography.^[ref]

The application report studies how to enlarge a difference amplifier’s differential input range while preserving rejection of a large common-mode input. Its circuit discussion explains why externally added resistors can disturb the precision of internally matched ratios, and instead analyzes feedback that reduces differential gain. The scientific distinction is between accepting a large common-mode signal and producing an unsaturated output for a large differential signal.^[ref]

An original measurement example makes that distinction concrete. WriteIf $G_d=10$, a $1\mathrm{mV}$ differential input produces $10\mathrm{mV}$. Even a small common-mode gain $G_c=10^{-4}$ produces another $1\mathrm{mV}$ from a $10\mathrm{V}$ common-mode input. Measuring a small difference therefore requires characterizing both gains and the available output range.

The report also describes driving the two inputs together and observing the output on an oscilloscope to examine common-mode response. This separates common-mode leakage from the desired differential response and connects resistor matching to an observable measurement error. Alani’s documented work is thus relevant to instrumentation amplifiers, measurement noise and the design of precision signal paths.^[ref]