Source of common-mode gain

Reference no: EM131018036

When the output of a BJT differential amplifier is taken differentially, its CMRR is found to be 34 dB higher than when the output is taken single-endedly. If the only source of common-mode gain when the output is taken differentially is the mismatch in collector resistances, what must this mismatch be (in percent)?

Reference no: EM131018036

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