MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
4th Edition
ISBN: 9781266368622
Author: NEAMEN
Publisher: MCG
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Textbook Question
Chapter 10, Problem 5RQ
What is the primary advantage of a BJT cascode current source?
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Specify the difference between the BJT output characteristics and MOSFET outputcharacteristics curves
A) What are the main differences between BJT and FET transistors?
B) What are the purposes for using biasing in transistors?
C) What are the differences between all types of FET transistors?
D) Explain in brief the function of Enhancement-type MOSFET.
Subject : Electronics Engineering
Draw the PNP transistor circuit in CB configuration. Sketch the output characteristics. Indicate active, saturation and cut off regions. Briefly explain the nature of these curves.
Chapter 10 Solutions
MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
Ch. 10 - The circuit parameters for the two-transistor...Ch. 10 - Consider the circuit shown in Figure 10.3. The...Ch. 10 - The parameters of the circuit shown in Figure 10.5...Ch. 10 - Consider the Widlar current source in Figure 10.9....Ch. 10 - Consider the circuit in Figure 10.10. Assume the...Ch. 10 - A Widlar current source is shown in Figure 10.9....Ch. 10 - Figure 10.12 shows the N-output current mirror....Ch. 10 - Prob. 10.1TYUCh. 10 - Prob. 10.2TYUCh. 10 - For the Wilson current source in Figure 10.8, the...
Ch. 10 - Prob. 10.4TYUCh. 10 - Prob. 10.8EPCh. 10 - Prob. 10.9EPCh. 10 - Consider the JFET circuit in Figure 10.24. The...Ch. 10 - Consider Design Example 10.8. Assume transistor...Ch. 10 - The bias voltages of the MOSFET current source in...Ch. 10 - Prob. 10.7TYUCh. 10 - All transistors in the MOSFET modified Wilson...Ch. 10 - A simple BJT amplifier with active load is shown...Ch. 10 - Prob. 10.9TYUCh. 10 - Prob. 10.10TYUCh. 10 - Prob. 10.11TYUCh. 10 - Prob. 10.12EPCh. 10 - For the circuit in Figure 10.40(a), the transistor...Ch. 10 - Prob. 10.12TYUCh. 10 - Repeat Example 10.12 for the case where a resistor...Ch. 10 - Prob. 10.14TYUCh. 10 - Prob. 1RQCh. 10 - Explain the significance of the output resistance...Ch. 10 - Prob. 3RQCh. 10 - Prob. 4RQCh. 10 - What is the primary advantage of a BJT cascode...Ch. 10 - Prob. 6RQCh. 10 - Can a piecewise linear model of the transistor be...Ch. 10 - Prob. 8RQCh. 10 - Sketch the basic MOSFET two-transistor current...Ch. 10 - Discuss the effect of mismatched transistors on...Ch. 10 - Prob. 11RQCh. 10 - Sketch a MOSFET cascode current source circuit and...Ch. 10 - Discuss the operation of an active load.Ch. 10 - What is the primary advantage of using an active...Ch. 10 - Prob. 15RQCh. 10 - What is the impedance seen looking into a simple...Ch. 10 - What is the advantage of using a cascode active...Ch. 10 - Prob. 10.1PCh. 10 - The matched transistors Q1 and Q2 in Figure...Ch. 10 - Prob. 10.3PCh. 10 - Reconsider the circuit in Figure 10.2(a). Let...Ch. 10 - Prob. 10.5PCh. 10 - The transistor and circuit parameters for the...Ch. 10 - The bias voltages in the circuit shown in Figure...Ch. 10 - Consider the current source in Figure 10.2(b). The...Ch. 10 - Prob. 10.9PCh. 10 - Prob. 10.10PCh. 10 - Prob. D10.11PCh. 10 - In the circuit in Figure P10.11, the transistor...Ch. 10 - Prob. D10.13PCh. 10 - Consider the circuit shown in Figure P 10.14. The...Ch. 10 - Design a basic two-transistor current...Ch. 10 - The values of for the transistors in Figure P10.16...Ch. 10 - Consider the circuit in Figure P10.17. The...Ch. 10 - All transistors in the N output current mirror in...Ch. 10 - Design a pnp version of the basic three-transistor...Ch. 10 - Prob. D10.20PCh. 10 - Consider the Wilson current source in Figure...Ch. 10 - Consider the circuit in Figure P10.22. The...Ch. 10 - Consider the Wilson current-source circuit shown...Ch. 10 - Consider the Widlar current source shown in Figure...Ch. 10 - Prob. 10.25PCh. 10 - Consider the circuit in Figure P10.26. Neglect...Ch. 10 - (a) For the Widlar current source shown in Figure...Ch. 10 - Consider the Widlar current source in Problem...Ch. 10 - (a) Design the Widlar current source such that...Ch. 10 - Design a Widlar current source to provide a bias...Ch. 10 - Design the Widlar current source shown in Figure...Ch. 10 - The circuit parameters of the Widlar current...Ch. 10 - Consider the Widlar current source in Figure 10.9....Ch. 10 - Consider the circuit in Figure P10.34. The...Ch. 10 - The modified Widlar current-source circuit shown...Ch. 10 - Consider the circuit in Figure P10.36. Neglect...Ch. 10 - Consider the Widlar current-source circuit with...Ch. 10 - Assume that all transistors in the circuit in...Ch. 10 - In the circuit in Figure P10.39, the transistor...Ch. 10 - Consider the circuit in Figure P10.39, with...Ch. 10 - Consider the circuit shown in Figure P10.41....Ch. 10 - For the circuit shown in Figure P 10.42, assume...Ch. 10 - Consider the circuit in Figure P10.43. The...Ch. 10 - Consider the MOSFET current-source circuit in...Ch. 10 - The MOSFET current-source circuit in Figure P10.44...Ch. 10 - Consider the basic two-transistor NMOS current...Ch. 10 - Prob. 10.47PCh. 10 - Consider the circuit shown in Figure P10.48. Let...Ch. 10 - Prob. 10.49PCh. 10 - The circuit parameters for the circuit shown in...Ch. 10 - Prob. 10.51PCh. 10 - Figure P10.52 is a PMOS version of the...Ch. 10 - The circuit shown in Figure P10.52 is biased at...Ch. 10 - The transistor circuit shown in Figure P10.54 is...Ch. 10 - Assume the circuit shown in Figure P10.54 is...Ch. 10 - The circuit in Figure P 10.56 is a PMOS version of...Ch. 10 - The transistors in Figure P10.56 have the same...Ch. 10 - Consider the NMOS cascode current source in Figure...Ch. 10 - Consider the NMOS current source in Figure P10.59....Ch. 10 - Prob. 10.60PCh. 10 - The transistors in the circuit shown in Figure...Ch. 10 - A Wilson current mirror is shown in Figure...Ch. 10 - Repeat Problem 10.62 for the modified Wilson...Ch. 10 - Prob. 10.64PCh. 10 - Prob. 10.65PCh. 10 - Prob. D10.66PCh. 10 - Prob. D10.67PCh. 10 - The parameters of the transistors in the circuit...Ch. 10 - Prob. 10.69PCh. 10 - Consider the circuit shown in Figure P10.70. The...Ch. 10 - Prob. 10.71PCh. 10 - Prob. D10.72PCh. 10 - Prob. 10.73PCh. 10 - Prob. D10.74PCh. 10 - Prob. 10.75PCh. 10 - For the circuit shown in Figure P10.76, the...Ch. 10 - Prob. 10.77PCh. 10 - Prob. 10.78PCh. 10 - The bias voltage of the MOSFET amplifier with...Ch. 10 - Prob. 10.80PCh. 10 - Prob. 10.81PCh. 10 - Prob. 10.82PCh. 10 - A BJT amplifier with active load is shown in...Ch. 10 - Prob. 10.84PCh. 10 - Prob. 10.85PCh. 10 - Prob. 10.86PCh. 10 - The parameters of the transistors in Figure P10.87...Ch. 10 - The parameters of the transistors in Figure P10.88...Ch. 10 - A BJT cascode amplifier with a cascode active load...Ch. 10 - Design a bipolar cascode amplifier with a cascode...Ch. 10 - Design a MOSFET cascode amplifier with a cascode...Ch. 10 - Design a generalized Widlar current source (Figure...Ch. 10 - The current source to be designed has the general...Ch. 10 - Designa PMOS version of the current source circuit...Ch. 10 - Consider Exercise TYU 10.10. Redesign the circuit...
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- Please describe in detail the working principle of a PNP type BJT transistor.arrow_forward1. A BJT transistor to work as a switch must be biased in the region of: Select one:a. cutb. Saturationc. Active For each transistor configuration, the current gain can be determined directly ............ 2. Select one:a. from voltage gain, defined load and input impedanceb. from the voltage gain, the defined load and the output impedancec. from current gain, defined load and input impedance 3. The phase relationship between the input and output voltage signal is: ...... Select one:a. 90 degreesb. 180 degreesc. 0 degreearrow_forwardSpecify the difference between the BJT output characteristics and MOSFET output characteristics curves.arrow_forward
- At cut-off, what statement below correctly describes the operation of a BJT transistor? Select one: a. No current flows through the transistor. Ob. There is an inverted but linear relationship between collector and base current. c. There is a nonlinear relationship between collector current and base current. Od. There is a linear relationship between collector and base current.arrow_forwardPlease explain how the BJT is designed to produce a high current gain, i.e.explain transistor actionarrow_forwardQUESTION 6: A simplified class-AB output stage with BJTs is shown below. The circuit parameters are Vcc= 23 V and R₁ = 1300 2. For each transistor, Is= 1 x 10 -15 A. Currents icnicp = 2 mA when v1 = 0. For vo= -5.1 V, determine it, ich, icp, and v₁. What is the power dissipated in On, Qp, and R₁ ? iz (mA) icn (mA) icp (mA) VI (V) Format: -9.3320876680856 Format: 6.0655035684487 Format: 5.9793972335256 Format: -8.5232348995442 Pon (mW) Format: 22.940360376887 Pop (mW) Format: 37.638052388388 PRL (MW) Format: 20.007968508449 VI VBB 2 VBB 2 + +Vcc 2n icn icp -V cc RL voarrow_forward
- Using the equation editor: a) state the small-signal drain current equation for the NMOS b) Explain the two major components of the equation (where it comes from). Define the following modes of the NMOS transistor: a) Cutoff b) Saturation c) Triodearrow_forwardWhat is the relation between dc base current and dc collector current in a BJT?arrow_forwardDescribe the operation of unijunction transistor (UJT). Explain how the equivalent circuit of UJT can be realised. Use appropriate diagrams in the answer.arrow_forward
- a) How is the input characteristic of a common emitter BJT transistor measured? Input characteristic Draw . b) How is the output characteristic of the transistor measured? Describe and draw . c) Why is the transistor polarized as DC? What happens without DC polarity?arrow_forwardDiscuss the limiting factors for the maximum rated current and maximum rated voltage in a BJT and MOSFET.arrow_forwardShown in the figure below is a typical 2 – stage JFET – BJT Amplifier circuit. a) What is the function of the capacitor connected in parallel with the 680 Ohm resistor at the first stage of the amplifier? b) What is the function of the resistors connected to the base, collector and emitter of the BJT at the second stage of the amplifier? c) What is the function of the capacitor connected in series with the 10 mV input signal? 20V 15kn 2.4kn 2.2kn 0.1uF-POL 0.1uF-POL 5100 0.1uF-POL 10kn 10mV 2kHz ODeg 3.3MN 100uF-POL · 4.7kn 1.0kn 100uF-POL 6800arrow_forward
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