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Chapter 5.3, Problem D5.9E
To determine
The value of the resistor Rthat will result in the given value of
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Assume vo = 5V, use linearity to find the actual value of vo.
What is Vo if vs=20cos5t?
The ac equivalent circuit for an amplifier is. Assume the capacitors have infinite value, RI = 10 kΩ, RB = 5 MΩ, RC = 2 MΩ, and R3 = 3.3 MΩ. Calculate the voltage gain for the amplifier if the BJT Q-point is (1 μA, 1.5 V). Assume βo = 40 and VA = 50 V.
Rework the given problem if IC is increased to 10 μA, and the values of RC, RB, and R3 are all reduced by a factor of 10.
Chapter 5 Solutions
MICROLEECTRONIC E BOOKS
Ch. 5.1 - Prob. 5.1ECh. 5.1 - Prob. D5.3ECh. 5.2 - Prob. 5.4ECh. 5.2 - Prob. 5.5ECh. 5.3 - Prob. D5.9ECh. 5.3 - Prob. D5.10ECh. 5.3 - Prob. 5.11ECh. 5.3 - Prob. 5.12ECh. 5.3 - Prob. D5.13ECh. 5.3 - Prob. D5.14E
Ch. 5.3 - Prob. 5.15ECh. 5.4 - Prob. 5.16ECh. 5.4 - Prob. 5.17ECh. 5 - Prob. 5.1PCh. 5 - Prob. 5.2PCh. 5 - Prob. 5.3PCh. 5 - Prob. 5.4PCh. 5 - Prob. 5.8PCh. 5 - Prob. 5.9PCh. 5 - Prob. 5.15PCh. 5 - Prob. 5.17PCh. 5 - Prob. D5.19PCh. 5 - Prob. 5.21PCh. 5 - Prob. 5.22PCh. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - Prob. 5.25PCh. 5 - Prob. 5.26PCh. 5 - Prob. 5.27PCh. 5 - Prob. 5.34PCh. 5 - Prob. 5.39PCh. 5 - Prob. 5.41PCh. 5 - Prob. 5.42PCh. 5 - Prob. 5.51PCh. 5 - Prob. D5.52PCh. 5 - Prob. 5.53PCh. 5 - Prob. 5.57PCh. 5 - Prob. 5.66PCh. 5 - Prob. 5.67P
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- Show the Common Emitter amplified output when sinusoidal 100Hz signal is applied at the input capacitor. Plz show the circuit diagramarrow_forward(a) What is the total input capacitance in the circuit as shown if Cπ = 20 pF, Cμ = 1 pF, IC = 5 mA, and RL = 1 kΩ? What is the fT of this transistor? (b) Repeat for IC = 4 mA and RL = 2 kΩ.arrow_forward5. Choose the correct answer: a) The reason of high input resistance of the MOSFET is: 1. The insulator layer. 2. The reverse biasing. 3. The forward biasing. b) Which transistor has no Ipss parameter?. 1. JFET. 2. E-MOSFET. 3. D-MOSFET. ¢) For an n-channel D-MOSFET transistor, at what condition can gm be greater than gmo?. 1. Vs is positive. 2. Vgs is negative. 3. Vas =0. d) A certain amplifier has an Rp=1KQ. When a load resistance of 1KQ is capacitively coupled to the drain, the gain will reduce to the: 1. Half. 2. Quarter. 3. Not change.arrow_forward
- Consider the transistor characteristics of Fig. 5.21. (a) Are these the characteristics of a JFET, d-mosfet, or e-mosfet? (b) Make a table of the given Vgs values and the corresponding Id(sat) values. Also include a column in the table giving Id(sat). (c) Make a plot of Id(sat) versus Vgs. Find the slope and y-intercept of the plot and use these to determine values for K and Vt in the model equation Eq. (5.3).ANSWER TO (c) MUST BE K = 1 mA/V2, Vt = −3 Varrow_forwardIn the circuit in the figure, VGSQ = 6.8 V, IDQ = 2.4 mA, VGS(Th) = 3.3 V, k = 0.4x10-3 A/V2, RD = 5.6 kΩ, RF = 2.2 MΩ and rd = 25 kΩ. Accordingly, when a RL = 0.1 kΩ load is connected to the output of the circuit, what will be the voltage gain of the circuit? NOTE: MOSFET output resistance must be taken into account in rd calculationsarrow_forwardIn the circuit given in the figure, what is the voltage gain (Av) of the circuit when = 100, r0 = 40 kΩ, RB = 360 kΩ, RC = 3.3 kΩ, RE = 220 Ω, Rs = 15 kΩ and RL = 166 kΩ?NOTE-1: The output impedance r0 of the transistor will be taken into the calculations.NOTE-2: Capacitors are negligible at mid-band frequency.arrow_forward
- The ac equivalent circuit for an amplifier is shown . Assume the capacitors have infinite value, RI = 10 kΩ, RG = 1 MΩ, RD = 3.9 kΩ, and R3 = 33 kΩ. Calculate the voltage gain for the amplifier if the MOSFET Q-pointis (2 mA, 7.5 V). Assume Kn = 1 mA/V2 and λ = 0.015 V−1.arrow_forwardSince IDSS=8 mA, VGS(off) = -10V according to the circuit on the side, if the capacitor C2 is removed, what will be the Av gain value?arrow_forwardThe ac equivalent circuit for an amplifier is shown . Assume the capacitors have infinite value, RI = 10 kΩ, RB = 5 MΩ, RC = 1.5 MΩ, and R3 = 3.3 MΩ. Calculate the input resistance and output resistance for the amplifier if the BJT Q-point is (2 μA, 2 V). Assume βo = 40 and VA = 50 V.arrow_forward
- A. Design a fixed bias-transistor circuit using VBB = VCC = 10 V for a Q-point of IC = 5 mA and VCE_ 4 V. Assume βDC = 100.The design involves finding RB and RC. B. 4. Design an emitter bias network at Q-point ICQ = ½ ICsat and VCEQ = ½ VCC. Use VCC = 20 V, ICsat = 10 mA, β = 120, and RC = 4REarrow_forwardCurrent and impedance levels of push-pull RF amplifier. Solid-state RF power amplifiers that provide more than 50 W or so must deal with very large currents, because the typical silicon RF BJT or PET cannot with-stand a DC collector voltage higher than about 40V. (Newer devices using materials such as silicon carbide can exceed this voltage limitation and provide greater power for the same current level.) Suppose a push-pull RF amplifier using a DC collector voltage of 36 V must provide a total peak RF output power of 200W. Typically, the AC "swing" (peak-to-peak AC excursion) of voltage at the collectors cannot exceed twice the DC power-supply voltage. (a) If each of the two devices in the push-pull amplifier delivers IOOW and has a peak-to-peak voltage of (2 x 36) = 72 V across its output terminals , what is the peak current I at the collector of each device, assuming . "d C(PK) smus01 al voltage and current? (b) At this current IC<PK >' how much series inductance L at a…arrow_forwardWhat is the voltage gain (Av) of the circuit when = 100, r0 = 40 kΩ, RB = 360 kΩ, RC = 3.3 kΩ, RE = 220 Ω, Rs = 15 kΩ and RL = 379 kΩ? NOTE-1: The output impedance r0 of the transistor will be taken into account in the calculations. NOTE-2: Capacitors are negligible at mid-band frequency.arrow_forward
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How a MOSFET Works - with animation! | Intermediate Electronics; Author: CircuitBread;https://www.youtube.com/watch?v=Bfvyj88Hs_o;License: Standard Youtube License