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Consider the differential amplifier shown below. Assume M1 and M2 are identical, in saturation, have transconductance gm. The channel length modulation can be ignored for
Consider the differential amplifier shown below. Assume M1 and M2 are identical, in saturation, have transconductance gm. The channel length modulation can be ignored for this problem. VOD. VOD RD RD Vout Vout M1 M2 RS Rs Iss Vint Vin (a) (5) Redraw the circuit that contains all the capacitive elements of a MOS transistor, Cos, CGD, CSB, CDB. (b) (5) How many poles does the amplifier transfer function, [Vout* (s )- Vout (s)] / [Vin*(s) - Vin (s)], have? What are the pole angular frequencies? Use the Miller's theorem for this problem. (c) (10) Determine the 3-dB bandwidth in Hz of the amplifier from the results obtained in (b). Assume resistance values for Rs and Ro are compatible, and capacitance values for are compatible Cos, CGD, Css, Cob. (d) (10) Determine ft, the unit-gain frequency in Hz of this amplifier using the Miller's theorem. Consider the differential amplifier shown below. Assume M1 and M2 are identical, in saturation, have transconductance gm. The channel length modulation can be ignored for this problem. VOD. VOD RD RD Vout Vout M1 M2 RS Rs Iss Vint Vin (a) (5) Redraw the circuit that contains all the capacitive elements of a MOS transistor, Cos, CGD, CSB, CDB. (b) (5) How many poles does the amplifier transfer function, [Vout* (s )- Vout (s)] / [Vin*(s) - Vin (s)], have? What are the pole angular frequencies? Use the Miller's theorem for this problem. (c) (10) Determine the 3-dB bandwidth in Hz of the amplifier from the results obtained in (b). Assume resistance values for Rs and Ro are compatible, and capacitance values for are compatible Cos, CGD, Css, Cob. (d) (10) Determine ft, the unit-gain frequency in Hz of this amplifier using the Miller's theorem
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