A differential amplifier with local CMFB is shown in Fig 12 54 Use V ov 0 2 V for all transistors, V tn V tp 0 6 V, I D5 200 micro A, V An 10 V, V Ap 20 V, and Icirc sup3 0 Assume V DD V SS 2 5V and V ic 0 (a) What is the dc common mode output voltage of this amplifier (b) Compute the low frequency...

a V oc V G3 V DD V tp V ov3 25 06 02 17 V b a dm g m1 r o1 r o3 20 ...

A differential amplifier with local CMFB is shown in Fig. 12.54. Use |V ov | = 0.2

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A differential amplifier with local CMFB is shown in Fig. 12.54. Use |V_ov| = 0.2 V for all transistors, V_tn= ˆ’V_tp= 0.6 V, I_D5= 200 µA, V_An= 10 V, |V_Ap| = 20 V, and Î³ = 0. Assume V_DD= V_SS= 2.5V and V_ic= 0.

(a) What is the dc common-mode output voltage of this amplifier?

(b) Compute the low-frequency gains a_dm and a_cm. Compare these gains with the gains calculated in the first example in Section 12.4.1.

Figure 12.54:

VDD M4 Мз Vo2 Vo1 o 20 k2 20 k2 Vi2 M2 M1 Vi1 VBIAS M5 -Vss SS

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Analysis and Design of Analog Integrated Circuits

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Authors: Paul R. Gray, ‎ Paul J. Hurst Stephen H. Lewis, ‎ Robert G. Meyer

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Question Posted: Sep 29, 2018 11:57 AM

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A differential amplifier with local CMFB is shown in Fig. 12.54. Use |V ov | = 0.2

Question:

VDD M4 Мз Vo2 Vo1 o 20 k2 20 k2 Vi2 M2 M1 Vi1 VBIAS M5 -Vss SS

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a V oc V G3 V DD V tp V ov3 25 06 02 17 V b a dm g m1 r o1 r o3 20 ...View the full answer

Analysis and Design of Analog Integrated Circuits

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