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D 10.5 The amplifier in Fig. P10.5 is biased to operate at 8.=2 mA/V. Neglectro VDD...
Q1 20 marks) The amplifier in Fig. 1 is biased to operate at g..=5 mA/V, and Rs -1.8k12. VOD - Ra Rp Ro} + Cs Fig. 1 (a) Find the value of CS (specified to one significant digit) that places its associated pole at 100 Hz or lower (b) What are the actual frequencies of the pole and zero realized?
+20 v The amplifier shown is biased by an ideal current mirror with I= 1.2 mA. The matching BJTs have the following parameters: B=100, C= 4 pF, C = 40 pF, r=022 and r = c. +5y 310 kn V. 4a) 4a) Calculate the amp's midband gain (Ay = ??) [11 points) 10 kA ( 1),2mA 4b) Calculate the -3 dB frquency (n=??) of this amplifier. 173 points 7
3) CS amplifier shown below is biased by a constant-current source I. Let Rsig 0.5 M, RG -2 MQ, gm -3mA/V, Rp -20 k2, and RL 10 k2. Find the midband voltage gain and the lower 3-dB frequency with Cc 6.3 nF, Cc2-0.53 uF and Cs-6 uF. Rp C2 C F
3) CS amplifier shown below is biased by a constant-current source I. Let Rsig 0.5 M, RG -2 MQ, gm -3mA/V, Rp -20 k2, and RL 10 k2. Find...
2. For the circuit below, the n-channel enhancement MOSFET is biased to have gm-4 mA/V Find the mid-band voltage gain AM Design the bypass and coupling capacitors to have the three low frequency poles at 50 Hz, 10 Hz and 3 Hz, respectively. It is the rule of thumb to have a minimum total capacitance. What is the fi? If a Rs-500 Ω is inserted between the source and Cs. What the Cs should be for a same pole frequency...
D **7.124 The MOSFET in the amplifier circuit of Fig. P7.124 has V, 0.6 V and 5 mA/V'. We shall assume that Vis sufficiently large so that we can ignore the Early effect. The input signal v has a zero average. (a) It is required to bias the transistor to operate at an overdrive voltage 0.2 V. What must the dc voltage at the drain be? Calculate the dc drain current Ip. What value must Rp have? (b) Calculate the...
QUESTION (5) The following series-shunt feedback amplifier is already biased properly. +VDD I Rp2Z Rois Tove M a) Identify the feedback network (B circuit) and provide an expression for B. Also give an expression for the ideal or upper-bound value of the closed-loop gain Af. You can neglect the output resistance ro for Mi and M2. (6 points) b) Determine the ratio Rz/Ri that will provide an ideal closed-loop gain of 10 V/V. If R1 = 1 k12, what should...
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EEN 311-Electronic Circuits ll (3 eredíįs)-Final Exam fferential amplifier biased with a basic current source rollowing parameters: Voo-Va 12 V. RD 8 ka, and 5. (20 points) Consider the di The circuit has the param Vi - 650 mv, Vov 50 mV, and R 10 k2. The transistors are matched and have: Va=80 V 几 Von Ro &K 오, DGI + VDD REF Q4 THE DE CEER Vss Determine: a) the reference current IREF...
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SIM D *8.51 The differential amplifier in Fig. P8.51 utilizes a resistor Rss to establish a 1-mA de bias current. that this amplifier uses a single 5-V supply and thus the de common-mode voltage Vcoy cannot be zero. Transistors and Q2 have k, W/L = 2.5 mA/V2, V, Note 0.7 V, and λ = 0. in (a) Find the required value of VeM ys: (b) Find the value of Rp that...
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 10: Consider the differential stage biased by current mirror and loaded with capacitor. MOSFET parametes: Vr-1 V; VA-; (W/L)*kn-2 mA/V; negligible internal capacitances. 5V 8k 10k 5n Vout 5V Find 1. 2. 3. DC voltage at the output; Low frequency small signal voltage gain Vout/Vin; High frequency 3 dB cutoff.
Problem 10: Consider the differential stage biased by current mirror and loaded with capacitor. MOSFET parametes: Vr-1 V; VA-; (W/L)*kn-2 mA/V; negligible internal capacitances. 5V 8k 10k 5n Vout...