
4. The NMOS transistor has Vt=1V and k’W/L=2mA/V2. Find the values of Rs and Rp that...
URGENT
The NMOS in the shown figure has Vt = 0.8V, kn = 5 mA/V2, and VA = 40 V. The circuit also has Vdd = 5V, VSS = -5V, RG = RLD = 1 M2, and RLS = 0 A. [3 marks] Neglecting the channel length modulation effect, find the value of Rs so that the NMOS operates in saturation with Ip = 0.4 mA B. [2 marks] Neglecting the channel length modulation effect, find the largest possible value...
1. Consider NMOS transistor in the circuit that has u.Cox = 0.4 mA/V?, W/L = 25, and V.=0.4V. (20 pts) (a) Find the value of Vas that results in saturation mode operation with a lp current of 0.1 mA. Neglect the Early effect. (2.5 pts) +1.5 V in BRD (b) Find the value of Rp that results in a de drain voltage of 0.5V. (2.5 pts) = = = (e) Find gw and r, at the de operating point specified...
2. (25 pts) An NMOS transistor operating in the linearregion with VDs 50mV is measured to have a drain current of 25μΑ for VGs* IV (Case I) and 50μΑ for VGs* 1.5V (Case II). a. (5 pts) Calculate the threshold voltage ofthe NMOS transistor b. (5 pts) Calculate the resistance between drain and source for each case c. (5 pts) Calculate the device aspect ratio W/L iKn_ 50μΑ/. d. (5 pts) Calculate the drain current of the NMOS transistor if...
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)
2. An NMOS transistor fabricated in a technology for which uC=400 ĻA/V2 and V=0.4V is required to operate with a small Vps as a variable resistor ranging in value from 0.2 k 2 to 1k12. (a) The Vos voltage is 1.8V and corresponding resistor is 0.2k12. Calculate W/L of MOSFET? (10 pts) (b) With same MOSFET, what is the Vgs to achieve a resistor of lk32? (10 points)
2. An NMOS transistor fabricated in a technology for which uC=400 ĻA/V2 and V=0.4V is required to operate with a small Vps as a variable resistor ranging in value from 0.2 k 2 to 1k12. (a) The Vos voltage is 1.8V and corresponding resistor is 0.2k12. Calculate W/L of MOSFET? (10 pts) (b) With same MOSFET, what is the Vgs to achieve a resistor of lk32? (10 points)
V.+w Operation in the triode reglon Condition v. e Wov 20 Vos uov os os-V (2) p V, so onl+Pala Characteristics Same relationships as for NMOS trasistos tCharacteristics: a CuGs- V,) ®os- } ip.C Replace .and NA with p,,and Nprespectively. V.V V, and yare negative. 2 wov ps For vos 2( -V) e Conditions for operation in the triode region ip lvi Q1. (10 points) For the following configuration of the given figure below, with the following parameters: VDD= +10...
This NMOS transistor has Vt=1 V and (1/2)kn'(W/L)=1
mA/V^2. Find the operating mode (cutoff, triode, or saturation) and
values for Vg, Id, Vd, and Vs.
49v Up Va (K
The NMOS transistor in the circuit below has the following parameters: (W/L).(KP2)-826pA/V2, and VA-50V. ,-0.9V, K a. Calculate the drain-to-source resistance (rds) value. (Hint: VA- 1/) b. What is the value of the transconductance (gm)? (ignore A ONLY for this part) C. What is the value of the DC voltage Vo? (ignore λ ONLY for this part) d. Draw the small-signal equivalent circuit (including rds) e. Find the equation of the small-signal voltage gain Av-Vo/vi. This equation should be in...
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...