common-mode rejection ratio

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common-mode rejection ratio

[′käm·ən ‚mōd ri′jek·shən ′rā·shō]
(electronics)
The ratio of the gain of an amplifier for difference signals between the input terminals, to the gain for the average or common-mode signal component. Abbreviated CMRR.
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"Currently there is no measurement system on the market with IsoVu's combination of high bandwidth, 2000V common mode voltage range and breakthrough common mode rejection ratio."
The PCMF series offers a typical Common Mode rejection of more than 12 dB in the band between 300 MHz and 8 GHz.
The EMI2121 single pair CMF, EMI4I82 dual pair CMF and EMI4183 triple pair CMF all offer a common mode rejection of 15 dB (typ) at 500 MHz and an insertion loss of 1.0 dB (typ) at 500 MHz.
It is a single-supply amplifier with a high common mode rejection ratio of 94dB.
* A high input impedance and high common mode rejection to minimize electrical interference (120 dB at 60 Hz).
The coaxial single-ended output can detect up to 64 GBaud polarization diversity x-QAM signals featuring highly reliable results for common mode rejection ratio, linearity and optical input power.
These devices also feature low quiescent current of 135 [micro]A (typ.), offset voltage of 3.5 mV (max.), common mode rejection ratio (CMRR) of 100 dB (typ.), and power-supply rejection ratio (PSRR) of 102 dB (typ.).
These parts feature a high common mode rejection ratio, power supply rejection ratio, and high open loop gain, all in excess of 120 dB.
Other specifications include overshoot of 1V maximum, common mode rejection at 45 dB minimum and droop at less than 20 percent.