For the feedback circuit in Fig. 12.46, the capacitor values are C₁ = C₂ = 4 pF and C_L = 6 pF. The op amp is the folded-cascode amplifier in Fig. 12.40 with low-frequency gain_adm0= 1280 and g_m1= 30 mA/V.

(a) What is the low-frequency value of the differential-mode return ratio?

(b) What is the approximate unity-gain frequency of the differential-mode return ratio?

Figure 12.46:

Transcribed Image Text:

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