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An analogue amplifier circuit is shown in Figure 1 below. VDD Q5 15V JL - Vout...
Q5: Consider the following Multistage amplifier with kn' = 160 uA/V?, kp' = 40 A/V, and...
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...
Q5. Consider the circuit in Fig.1 (right). Assume 9m, 9o, VT, W, L, Mn, and Cox...
Q5. Consider the circuit in Fig.1 (right). Assume 9m, 9o, VT, W, L, Mn, and Cox of the transistor are knwon and isolation capacitors are sufficiently large. Assume the transistor operates in saturation. (1) Find input resistance Rin (5 marks). (2) Find output resistance Rout (5 marks). (3) Find voltage gain v./vs (10 marks). (Q4). Right - MOSFET amplifier (Q5).
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
Table 1 Parameters for manual model of 0.13 micron CMOS process DSAT 0.416 0.39 0.297 254 0.14 NM...
Table 1 Parameters for manual model of 0.13 micron CMOS process DSAT 0.416 0.39 0.297 254 0.14 NMOS PMOS -0.426 -0.29-0583 633 10261 Table 2 Capacitance parameters of NMOS and PMOS transistors in 0.13 micron CMOS process Cox Cov ma MOS 10.7 0.323 0.958 0.395 08 01 0288 0.8 P MOS-110.22ー10.298 11.02ー1042ー08 ー0.107ー0.1ーー0.8 (35 pt Q2 Inverter shown below is implemented in 0.13 um CMOS (8RF). The supply voltage is VDD-1.2 V. Both transistors have a channel length of 0.13...
5) Consider the Cascode amplifier shown below. For the NMOS transistors, kn 0.2 mA/V2, Vr,-0.5 V,...
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...
An amplifier circuit using a bipolar transistor is shown in Figure Q5. (a) State, with a valid re...
An amplifier circuit using a bipolar transistor is shown in
Figure Q5.
(a) State, with a valid reason, whether this amplifier is an
emitter follower
or a common emitter configuration.
(b) Redraw Figure Q5 as a large signal equivalent circuit. Show
that:
(c) Show that the input voltage, vISAT to produce the onset of
saturation for
T1 is given by:
(d), confirm, by calculation, that
T1 is in saturation.
(e) Calculate the current in the lamp when T1 is in...
1. Consider the Common-Emitter BJT amplifier circuit, shown below. VD VOD BJT Parameters: B=99 A/A i=0...
1. Consider the Common-Emitter BJT amplifier circuit, shown below. VD VOD BJT Parameters: B=99 A/A i=0 RE Co Circuit Parameters: Ca Cc2 = 0 F Car = OF R = 2022 R = 2002 R1 = 25.8 k22 Ry2 = 51.6 ks V = 15 V VEE=0 V Сct Active Mode: Va >0.2 V Vwx=0.7V Ic=B1, Ic=al, 1 R2 3 SRCA a) Find the open-circuit voltage gain, Ave, of this amplifier circuit. Verify your assumptions. b) Compute the input resistance,...
Ignore PSpice Simulation Design the MOSFET current mirror shown in Figure 2 to replicate a 1...
Ignore PSpice Simulation
Design the MOSFET current mirror shown in Figure 2 to replicate a 1 mA reference current at the drain ofM2. Assume Vtn-1.2 V, L-100 μm, W-100 μm, kh-0.093 A/V2, and V,-100 1. Determine Ri such that IREF 1 mA is the current, Ipi, flowing into the drain of Mi. 2. Calculate lolREF, where lo = 1D2. 3. Simulate the circuit in Figure 2 in PSpice. Use the SEDRA LIB library for the MOSFET transistors and enter the...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And w...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
Given the circuit below with the following parameters: - M1: Vt,n = 0.48 V, Un Cox...
Given the circuit below with the following parameters: - M1: Vt,n = 0.48 V, Un Cox = 90 UA/V2, W/L = 10 um/4 um, VdD+Vad 1 = 0.01 [1/V] - Supply voltage: Vpp = 3.3 V, vad = 10 mV > R a. Find the value of resistor R so that the bias current is 10uA. (Hint: Channel length modulation should be considered.) Ipi M1 Use the resistor value in (a) for the following calculations: b. What configuration (connection) M1...
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...
Q5. Consider the circuit in Fig.1 (right). Assume 9m, 9o, VT, W, L, Mn, and Cox of the transistor are knwon and isolation capacitors are sufficiently large. Assume the transistor operates in saturation. (1) Find input resistance Rin (5 marks). (2) Find output resistance Rout (5 marks). (3) Find voltage gain v./vs (10 marks). (Q4). Right - MOSFET amplifier (Q5).
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
Table 1 Parameters for manual model of 0.13 micron CMOS process DSAT 0.416 0.39 0.297 254 0.14 NMOS PMOS -0.426 -0.29-0583 633 10261 Table 2 Capacitance parameters of NMOS and PMOS transistors in 0.13 micron CMOS process Cox Cov ma MOS 10.7 0.323 0.958 0.395 08 01 0288 0.8 P MOS-110.22ー10.298 11.02ー1042ー08 ー0.107ー0.1ーー0.8 (35 pt Q2 Inverter shown below is implemented in 0.13 um CMOS (8RF). The supply voltage is VDD-1.2 V. Both transistors have a channel length of 0.13...
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...
An amplifier circuit using a bipolar transistor is shown in
Figure Q5.
(a) State, with a valid reason, whether this amplifier is an
emitter follower
or a common emitter configuration.
(b) Redraw Figure Q5 as a large signal equivalent circuit. Show
that:
(c) Show that the input voltage, vISAT to produce the onset of
saturation for
T1 is given by:
(d), confirm, by calculation, that
T1 is in saturation.
(e) Calculate the current in the lamp when T1 is in...
1. Consider the Common-Emitter BJT amplifier circuit, shown below. VD VOD BJT Parameters: B=99 A/A i=0 RE Co Circuit Parameters: Ca Cc2 = 0 F Car = OF R = 2022 R = 2002 R1 = 25.8 k22 Ry2 = 51.6 ks V = 15 V VEE=0 V Сct Active Mode: Va >0.2 V Vwx=0.7V Ic=B1, Ic=al, 1 R2 3 SRCA a) Find the open-circuit voltage gain, Ave, of this amplifier circuit. Verify your assumptions. b) Compute the input resistance,...
Ignore PSpice Simulation
Design the MOSFET current mirror shown in Figure 2 to replicate a 1 mA reference current at the drain ofM2. Assume Vtn-1.2 V, L-100 μm, W-100 μm, kh-0.093 A/V2, and V,-100 1. Determine Ri such that IREF 1 mA is the current, Ipi, flowing into the drain of Mi. 2. Calculate lolREF, where lo = 1D2. 3. Simulate the circuit in Figure 2 in PSpice. Use the SEDRA LIB library for the MOSFET transistors and enter the...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
Given the circuit below with the following parameters: - M1: Vt,n = 0.48 V, Un Cox = 90 UA/V2, W/L = 10 um/4 um, VdD+Vad 1 = 0.01 [1/V] - Supply voltage: Vpp = 3.3 V, vad = 10 mV > R a. Find the value of resistor R so that the bias current is 10uA. (Hint: Channel length modulation should be considered.) Ipi M1 Use the resistor value in (a) for the following calculations: b. What configuration (connection) M1...
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