Physics, 18.02.2020 18:53 Delgadojacky0206
The MOS differential amplifier in this problem is operated at a bias current of IREF = 0.8mA. M1 and M2 have Kn’ = 0.2mA/V2 and W/L = 100, RD = 5kΩ and RSS = 25kΩ. If the drain resistors have a 1% mismatch, find the small signal differential gain (Ad), the common mode gain (Acm), and the Common Mode Rejection Ratio (CMRR) in dB, defined as 20log|Ad|/|Acm|. Note, for DC purposes, neglect the effect of RSS and assume that IREF is split equally between the two arms. Do not neglect RSS for small-signal analysis and assume that VCM is set such that gm = 4mA/V for M1 and M2
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The MOS differential amplifier in this problem is operated at a bias current of IREF = 0.8mA. M1 and...
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