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5) Consider the Cascode amplifier shown below. For the NMOS transistors, kn 0.2 mA/V2, Vr,-0.5 V,...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 ...
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...
Problem 1 -Integrated Common Source Amplifier: For the circuit in Fig.1, draw the small signal equivalent...
Problem 1 -Integrated Common Source Amplifier: For the circuit in Fig.1, draw the small signal equivalent circuit and find the following small signal values: gm1 go1 go2 Vout/Vin Rout You can assume that the overdrive voltage for all transistors is 0.2V and A for the NMOS and PMOS are 0.1V1 and 0.05V1 respectively. The drain source current of the transistors M1 and M2 is 20HA. All gate lengths of homework 3.) 0.5um. (The DC analysis for this circuit was done...
All nMOS transistors in the circuit shown are identical, have k' WIL 4 mA/V2 and operate...
All nMOS transistors in the circuit shown are identical, have k' WIL 4 mA/V2 and operate in the active region lp 1/2k 'W/L(Vas-V)']. Knowing that the de voltage VD4 at the drain of Q4-2 V. Determine: 1. The value of the bias current lo 2. The value of Vov 3. The transconductance gm of Q1 and Q2 4. The voltage gain vo/v 5. The voltage gain when a source resistance R, 1K2 is added to the source of Qi and...
Problem #5. Consider the amplifier circuit below. The NMOS has Vi-1.2V and (1/2)kn'(WL)-12.5 mA/V...
Problem #5. Consider the amplifier circuit below. The NMOS has Vi-1.2V and (1/2)kn'(WL)-12.5 mA/V2, Cgs-15pF. Cgd-9pF The PNP has β-150. C,-25pF, and dju 11pF (a) Find the DC drain and collector currents. b) Find the midband gain Vout/ Vs of the entire circuit (c) Estimate the lower 3 dB point of the amplifier (d) Estimate the upper 3 dB point of the amplifier 47uF 300 Rs10K 0.22uF 6.8K Q2 Vin 47K 2.2uF 1.0K 6V
Problem #5. Consider the amplifier circuit...
In the amplifier circuit below, the transistor has the following properties:Vt =1.5V,k’n=100 microA/V2,W=2 micro m ,L=0.2...
In the amplifier circuit below, the transistor has the following
properties:Vt =1.5V,k’n=100 microA/V2,W=2 micro m ,L=0.2 micro m,
lambda = 0V^-1
a. Find the dc values VG, VD, and VS.
b. Verify (prove) that the circuit is in the proper region of
operation for an amplifier
c. Find the transconductance value, gm
d. Draw the equivalent small-signal circuit model, replacing the
NMOS with its pi-model
e. Draw the equivalent small-signal circuit model, replacing the
NMOS with its T-model
f. Calculate...
I need help with the following: 2. An NMOS differential amplifier (above, right) with identical transistors...
I need help with the following:
2. An NMOS differential amplifier (above, right) with identical transistors Q and Q2 is biased with an ideal current source of current/-0.2 mA, and has (W/L)-32, μ,Cox-200 Va: 10V, and RD-10 kΩ (a) Find Vov(-0.177 V), gm (-1.13 mA/V) ro, (100 k2), and As(-10.27 v/v). (b) Let there be mismatches of ΔRD/Ro-2%, Δ(W/L)/(W/L)-2% and Δν.-2m . what is the value of the total DC in put offset voltage Vos(-3.2 mV) caused by these mismatches?...
9.6 A CMOS cascode amplifier shown below has identical CS and CG transistors that have W/L-5.4...
9.6 A CMOS cascode amplifier shown below has identical CS and CG transistors that have W/L-5.4 μm/0.36 μm and biased at 1-0.2 mA. The fabrication process has k'n -400 μΑ/V2, and VA-5 V/um. At what value of R, does the voltage gain Vo/Vi become -100 V/V? Rin2
5. The NMOS and PMOS transistors in the below circuit are matched with kn’(Wn/Ln)=kp'(Wp/Lp)=1 mA/V2 and...
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)
Q2) The cascode amplifier in the figure is operated at a current of 0.2 mA with...
Q2) The cascode amplifier in the figure is operated at a current of 0.2 mA with all devices are operating at |Vor=0.2 V. All devices have VA=2 V. Find gmi, the overall output resistance of the amplifier R.; voltage gain Av. Show operations you do. Results written without operations won't get any points! (33 pts) VpD V6: 0 Vom 1200 + 5
2. For the amplifiers below, not all the bias details are shown. For the circuit on the left, what is the small signal...
2. For the amplifiers below, not all the bias details are shown. For the circuit on the left, what is the small signal resistance looking into the a. source of M2 (Ri2)? b. Using part a, Find the voltage gain at the drain of Mi, and the total gain at the output. For the circuit on the right, known as a cascode amplifier, find the voltage gain. c. Express your answers in terms of the transistors gm, and RD. Assume...
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...
Problem 1 -Integrated Common Source Amplifier: For the circuit in Fig.1, draw the small signal equivalent circuit and find the following small signal values: gm1 go1 go2 Vout/Vin Rout You can assume that the overdrive voltage for all transistors is 0.2V and A for the NMOS and PMOS are 0.1V1 and 0.05V1 respectively. The drain source current of the transistors M1 and M2 is 20HA. All gate lengths of homework 3.) 0.5um. (The DC analysis for this circuit was done...
All nMOS transistors in the circuit shown are identical, have k' WIL 4 mA/V2 and operate in the active region lp 1/2k 'W/L(Vas-V)']. Knowing that the de voltage VD4 at the drain of Q4-2 V. Determine: 1. The value of the bias current lo 2. The value of Vov 3. The transconductance gm of Q1 and Q2 4. The voltage gain vo/v 5. The voltage gain when a source resistance R, 1K2 is added to the source of Qi and...
Problem #5. Consider the amplifier circuit below. The NMOS has Vi-1.2V and (1/2)kn'(WL)-12.5 mA/V2, Cgs-15pF. Cgd-9pF The PNP has β-150. C,-25pF, and dju 11pF (a) Find the DC drain and collector currents. b) Find the midband gain Vout/ Vs of the entire circuit (c) Estimate the lower 3 dB point of the amplifier (d) Estimate the upper 3 dB point of the amplifier 47uF 300 Rs10K 0.22uF 6.8K Q2 Vin 47K 2.2uF 1.0K 6V
Problem #5. Consider the amplifier circuit...
In the amplifier circuit below, the transistor has the following
properties:Vt =1.5V,k’n=100 microA/V2,W=2 micro m ,L=0.2 micro m,
lambda = 0V^-1
a. Find the dc values VG, VD, and VS.
b. Verify (prove) that the circuit is in the proper region of
operation for an amplifier
c. Find the transconductance value, gm
d. Draw the equivalent small-signal circuit model, replacing the
NMOS with its pi-model
e. Draw the equivalent small-signal circuit model, replacing the
NMOS with its T-model
f. Calculate...
I need help with the following:
2. An NMOS differential amplifier (above, right) with identical transistors Q and Q2 is biased with an ideal current source of current/-0.2 mA, and has (W/L)-32, μ,Cox-200 Va: 10V, and RD-10 kΩ (a) Find Vov(-0.177 V), gm (-1.13 mA/V) ro, (100 k2), and As(-10.27 v/v). (b) Let there be mismatches of ΔRD/Ro-2%, Δ(W/L)/(W/L)-2% and Δν.-2m . what is the value of the total DC in put offset voltage Vos(-3.2 mV) caused by these mismatches?...
9.6 A CMOS cascode amplifier shown below has identical CS and CG transistors that have W/L-5.4 μm/0.36 μm and biased at 1-0.2 mA. The fabrication process has k'n -400 μΑ/V2, and VA-5 V/um. At what value of R, does the voltage gain Vo/Vi become -100 V/V? Rin2
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)
Q2) The cascode amplifier in the figure is operated at a current of 0.2 mA with all devices are operating at |Vor=0.2 V. All devices have VA=2 V. Find gmi, the overall output resistance of the amplifier R.; voltage gain Av. Show operations you do. Results written without operations won't get any points! (33 pts) VpD V6: 0 Vom 1200 + 5
2. For the amplifiers below, not all the bias details are shown. For the circuit on the left, what is the small signal resistance looking into the a. source of M2 (Ri2)? b. Using part a, Find the voltage gain at the drain of Mi, and the total gain at the output. For the circuit on the right, known as a cascode amplifier, find the voltage gain. c. Express your answers in terms of the transistors gm, and RD. Assume...
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