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The Common Mode Rejection Ratio (CMRR) of a differential amplifier using an operational amplifier is 100 dB. The output voltage for a differential input of 200 μV is 2 V. The common mode gain is
If for an amplifier the common mode input signal is vc, the differential signal id vd and Ac and Ad represent common mode gain and differential gain respectively, then the output voltage v0 is given by
If for an amplifier v1 and v2 are the input signals, vc and vd represent the common mode and differential signals respectively, then the expression for CMRR (Common Mode Rejection Ratio) is
In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db & 2db respectively, then its common mode rejection ratio is
Given that CMRR is 100dB. Input common-mode voltage is 12 V. Differential voltage gain is 4000. Calculate output common-mode voltage.
For an instrumentation amplifier, the following parameters are given (a) High input resistance and low power consumption (b) Low input resistance and low power consumption (c) High CMRR and high slew rate (d) Low CMRR and high slew rate Which of the given parameters are a major requirement for an instrumentation amplifier?
The table shows the annual expenses on various heads made by a firm during 2014 - 2018. What is the average expenditure per head of 2016? Year Particulars Raw Materials Wages Administration Delivery Finance 2014 50000 15000 40000 20000 20000 2015 90000 20000 40000 25000 25000 2016 45000 22500 47500 25000 25000 2017 60000 20000 40000 25000 40000 2018 7500 25000 50000 30000 45000
What is the common mode rejection ratio of an operational amplifier which has common mode gain=0.5 and differential gain=1200?
What is the common mode rejection ratio of an operational amplifier which has common mode gain=0.2 and differential gain=1300?
What is the common mode rejection ratio of an operational amplifier which has common mode gain=0.6 and differential gain=1000?