differential stage

differential stage

[‚dif·ə′ren·chəl ′stāj]
(electronics)
A symmetrical amplifier stage with two inputs balanced against each other so that with no input signal or equal input signals, no output signal exists, while a signal to either input, or an input signal unbalance, produces an output signal proportional to the difference.
References in periodicals archive ?
Immunophenotypic features of AML-M6b are dependent on the differential stage of the erythroblasts [1,5].
3) A fully differential stage (differential in and out) incorporated at the front end of the amplifier.
Both downconverters are based on a design consisting of three AC-coupled, differentiator amplifier stages, with each differential stage comprising a feedback network controlled by emitter degeneration to control the IF gain.

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