Let ID be the current in the each half of the amplifier. Assume all MOS to have save overdrive, So
and
Assume
The the gain of the amplifier is given by
Or
Or
Or
So
So
We can choose any value of ID which is multiple of 200uA. So let choose ID = 400uA. Then the PMOS width is given by
Or
And
Design a double cascode PMOS amplifier that is loaded with a double cascode NMOS current mirror....
5) Consider the Cascode amplifier shown below. For the NMOS transistors, kn 0.2 mA/V2, Vr,-0.5 V, (W/L)-(W/L)2-5. VDD-GV and IBIAs= 1.0 mA. a) Assuming λ-0 for all transistors, find the required DC gate- source voltages of M1 and M2 (VGsı and VGs2, respectively) BIAS VD out b) Again assuming 0 M2 for all transistors, what is the minimum DC value of VouT for which the amplifier works in high-gain regime? (W/L)2 in M1 For parts c)-f), Assume -0.01 for all...
29. Identify the type of third stage amplifier: a) inverting amplifier; b) differential amplifier with passi load; c) differential amplifier with current mirror load; d) emitter follower; e) none of above; 30. The Vsg of Q5 should be: a)-1V, b)-0.85% c) 0.65% d)0.85% env 31. To obtain IREF-30μΑ , the value of R should be: a)250ohm; b)25Kohm; c)250Kohm; d)2.5Mohm; e 5Mohm. network is composed by 4 identical phase shifter. The phase shift of each phase shifter in degree should be...
Please solve in details and in a clear way. rrent-mirror-loaded 8.79 A cu transistors hav gain is realized? NMOS differential amplifier is ted in a technology for which |VAl 5 Vum. All the e L = 0.5 μ m. If the differential-pair transistors t V. -0.25 V, what open-circuit differential rrent-mirror-loaded 8.79 A cu transistors hav gain is realized? NMOS differential amplifier is ted in a technology for which |VAl 5 Vum. All the e L = 0.5 μ m....
Q5: Consider the following Multistage amplifier with kn' = 160 uA/V?, kp' = 40 A/V, and Vtn=0.7 V, Vtp=-0.8 V. All the transistors operate at IREF = 90 A , VoV=0.3 V, VA| = 10V for all devices VDD - VSS - 2.5V (Note ID1 = ID2 = ID3 = ID4 = ID5/2 =4541A) and ID5 = ID = ID8 =ID6= Iref (a) Identify the different stages of the amplifiers (b) Design the circuit i.e. find W/L of all transistors...
Q1: The cascode current source in Fig. 8.4.1 utilizes two identical PMOS transistors fabricated in a V, 0.18-um CMOS process for which VDD 1.8 V pcor - 100 ???2 vG2 02 Design the circuit to obtain 1-50 ?? and Ro-I ?? and to allow for the maximum pos- sible voltage swing at the output terminal of the current source. Utilize Vov 0.2 V. Specify the 01 tor Gl ify the required values of the dc bias voltages VGI and VG2....
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
5. The NMOS and PMOS transistors in the below circuit are matched with kn’(Wn/Ln)=kp'(Wp/Lp)=1 mA/V2 and Vin=-Vt=1V. (20 pts) +5 V a) Which MOSFET is cut-off, NMOS (QN) or PMOS (QP) for VF-5V? Why (5 pts) Qp -5 Vo Ipp Vo VION ON -5 V b) When VF-5V, in which mode, saturation or triode, the circuit operate? Explain why? (5 pts) c) Find the drain current ipy and ipp and the voltage vo for VF-5V (10 pts)
Design a current steering circuit that provides 2 current sinks and one current source with the following characteristics for the transistors: All PMOS and NMOS are matched; lo, each = 125 UA; Kn = 200 A/V2; VT = 0.4 V
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L) = kp'(W/L) = 2mA/V2, and VTN-1У, VTP--1V. It is also given that VDD1-10V, VDD2-8V. Remember that for saturation the drain current is given by IDー½ k,"(W/L) (VGS-Yn)" for NMOS and ID ½ kp"(WL) (VGS-V,»)2 for PMOS. You can ignore the channel modulation for all transistors. (a) Find the value of R so that I.-1mA. (b) Are transistors Q1, Q2, Q3 in saturation? (c) What is the...
An analogue amplifier circuit is shown in Figure 1 below. VDD Q5 15V JL - Vout Irer RI Vina JET T7T Figure 1 Integrated amplifier circuit. Circuit Data: Vpp = 15 V, IREF = I1 = I2 = 1.0 mA Transistor Data: Q1: NMOS, un Cox = 80 A/V?, W/L = 100 um/0.8 um, Vtn = 0.8 V, L = 0.10 um/V Q2: NPN BJT, B = 100, Vbe = 0.7 V, VA = 150 V Q3, Q4: NMOS, un...