Ignore PSpice Simulation Design the MOSFET current mirror shown in Figure 2 to replicate a 1...
Ignore PSpice Simulation Design the BJT current mirror shown in Figure 1 to replicate a 1 mA reference current at the collector of 02. Assume a scale current of 6.7 fA, V 74 V, and B-200. 1. Determine Ri such that IREF- 1 mA is the current, Ic, flowing into the collector of Qi 2. Calculate Io/IREF, where Io- Ic2. 3. Simulate the circuit in Figure 1 in PSpice. Use the SEDRA_LIB library for the Q2N3904 and enter the appropriate...
1. Design the common source amplifier shown in Figure 1 with Ip- 1 mA and Vo 5 V Determine V2 and Ri. The MOSFET characteristics are V-50 V, k-0.093 A/V, gate-to- drain capacitance, Cd 40 pF, and Vi 1.1 V. (For PSpice simulations, use parameters: VTO. 1.1 LAMBDA-002 KP-0.093 CGDO-4E-7 w=100u L-I00u for the 2N7000 MOSFET.) a. Determine the gain and gm of the circuit b. Determine the low-frequency (high-pass response) poles of the common-source amplifier due to the coupling...
5. You are given a MOSFET biased as shown in the figure. i) Sketch the drain current Ip when Vo is ramped up from 0V to 3 V in a log scale. log(ID ↑ I, 2 0 ) The MOSFET has switched through different operation regions (inear, saturation, subthreshold) during the ramp-up ii) The MOSFET has swit Label the different regions in the graph as you plot the curve above. iii) In dicate the values Vo's that mark the different...
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...
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...
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...
A4. Design the circuit of Figure QA4 for a drain current of 1 mA. If W/L = 20/0.18, unCox = 100 A/V2, V1 = 0.6 V compute R1 and R2 such that the input impedance is at least 20 ka. VDD 1.8V 5000 R1 Q1 R2 Figure QA4 [4 marks]
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...
R, Figure P7.49 .50 Figure P7.50 shows a current source realized using a current mirror with two matched transistors Q, and o, . Two equal resistances R, are inserted in the source leads to increase the output resistance of the current source. If Q, is operating at gm 1 mA/V and has VA-= 10 V, and if the maximum allowed de voltage drop across R, is 0.3 V, what is the maximum avail- able output resistance of the current source?...
Please dont skip step Question 1. Figure I shows a PMOS based current mirror where V4-5V, K-240 HA/V, Vy-0.6 V, Irer = 50 uA and assume 1 -0.01 V. The (W/L) for the two MOSFETS are shown as (10/1) and (20/1) for M and M2 respectively. (a) Find the value of Vs for the two mosfets. You may ignore early effect while calculating (20 marks) Vs (b) Find the mirror ratio MR Tour / IRF (25 marks) (c) Find the...