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Consider the circuit in Figure 1.28. Let
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Microelectronics: Circuit Analysis and Design
- USE APPROXIMATE ANALYSISUSE 2 decimal places, no commas.Given: Single-stage, voltage-divider biased, common-emitter with VCC = 15V R1 = 46kohms R2 = 7kohms RC = 4kohms RE = 1kohms RS = 6ohms RL = 1kohms βDC = βAC = 141 ** C1 andC2 are coupling capacitors. C3 is bypass capacitor Solve for: Rin(base) = kohms ; Rin(tot) = kohms ; Voltage gain (Av) = ; Attenuation (Att) = ; Overall voltage gain (AVT) =arrow_forwardEx. 1615. See Fig. 1615. Rf=100.0 kOhms, Ri= 5 kOhms, V=13 volts, R.L=10k ohms. If Vin=130 mVpp, find Vout (Vpp) and I.L (mA_pp). The opamp output can go all the way to the rail and the short circuit current is 30 mA. What is the minimum R.L (ohms) before satuation given this specific Vin? ans:3 Part 3 is what is giving me the problem, finding the R.L min is the most important part for mearrow_forward3. What is the need for modulation? Justify with examples.arrow_forward
- R1 = 22 k and R2 = 360 k in the amplifiercircuit as shown. (a) What is the outputvoltage if vI = 0? (b) What is the output voltageif a dc signal VI = 0.33 V is applied to the circuit?(c) What is the output voltage if an ac signalvi = 0.18 sin 3250 πt V is applied to the circuit?(d) What is the output voltage if the input signal isvI = 0.33 − 0.18 sin 3250πt V? (e) Write an expressionfor the input current iI for parts (b), (c), and(d). (f) Write an expression for the op amp outputcurrent iO for the input signals in parts (b), (c) and(d). (g) What is the voltage at the inverting input ofthe op amp for the input signal in part (d)?arrow_forwardGiven B= 100, Si=0.7 (voltage drop) Find a) Avs b) Ais c). What are Ac voltage at each point indicated (A,B,C,D,E) in the circuit with Vs = 100mVp-parrow_forwardQ.2 (b) A piezoelectric crystal is characterized by a constant, 12 × 10-13 (V/m)/ (N/m2). The diameter of crystal is 8 mm, thickness is 2 mm and leakageresistance is 108 Ω.[1]. Determine the sensitivity of crystal for measurement of displacement inV/m?[2]. Also what will be the output voltage for an input force of 10 N?[3]. If above crystal is connected to an amplifier with input capacitance of 4× 10-10 F and resistance of 108 Ω. The connecting cable has a capacitance of2 × 10-10 F. Determine the time constant for measurement of displacement.[Dielectric constant = 1.250 × 10-8 F/m and Young’s modulus of 1.2 × 10-11N/m2].arrow_forward
- In the circuit given in the figure, VT = 25mV, | VBE | = 0.7V, R1 = 1519.62Kohm, R2 = 48.01Kohm, R3 = 3.22Kohm, R4 = 1.38Kohm, VCC = 13.00V, VEE = -6.00V, VA = 19.82V, Since Beta = 163.00, Rs = 23.65 ohm, Ry = 18.08Kohm, by Source calculate IC current, Ri, R0 and voltage gain (V0 / V1) with full analysis.arrow_forward*Proper Engineering Prefixes, (for micro use "u", example: 12.345 uA)*Strictly Three Decimal Places ONLY (example: 12.500 V)*FOR RESISTOR VALUES, Use Capital Letter "O", example: "123.456 kO" IMPORTANT: Do not round-off values in between calculations. ONLY THE FINAL ANSWER is rounded-off. Answer the ff: 1. What is the value of the base current? 2. What is the dc potential difference between the collector and emitter terminals? 3. What is the value of the input impedance? 4. What is the value of the output impedance? 5. What is the value of the voltage gain?arrow_forwardQ1. find beta ? Q2. Find S ? Q3. Find S' ? Q4. Find S'' , using T1 as the temperature at which the parameter values are specified and beta( T2 ) as 20% more than beta( T1 )? Q5. Determine the net change in IC if a change in operating conditions results in Ico increasing from 0.3 micro A to 10 micro A, VBE drops from 0.7 V to 0.6 V, and beta increases 20%.arrow_forward
- Find: 1)R1,R2 Value 2) The voltage-gain Av = Vo/Vsi , The slope of A.C.L.L 3)The value of fH due to ( CM1 & CM2) 4)If a capacitor Cs is connected across Rs then Av= 5)The value of RD required to set Q-pt at center of saturation Regn. RD= 6)The max. undistorted peak value for vds = Electronics 2arrow_forwardFor the multi-stage amplifier shown below, given the following T1: K = 0.12 mAV ?, VGS (TH) = 5 V, IDQ = 6.7 mA, VGSO = 12.5 V, RD1 = 2.9 kQ, (Assume rd >> Rp) % 3D% 3D T2: Ipss = 6 mA, Vp = -3 V, Ipo = 2.9 mA, VGSQ = -0.95 V, RD2 = 2.4 kQ. (Assume rd >> Rp)% 3D T3: R1 = 48 kQ, R2 = 12 kQ, Rc = 2.2 kQ. ro = 25 kQ, and B = 140 Calculate Ay1. Ay2, Ay3, and the overall voltage gain Avtarrow_forwardapply loop analysis to obtain i0 in the circuit Commentary:PLEASE, describe the procedure step by step, in detail. Do not do it on paper, digitally here :)arrow_forward
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