Leach Jr.,W. Marshall - School of Electrical and Computer Engineering, Georgia Institute of Technology

• Introduction to Electroacoustics and Audio Ampli...er Design W. Marshall Leach, Jr.
• ECE 3040 Quiz 6 --June 29, 2005 Professor Leach Name
• An Inductorless Wideband Balun-LNA in 65nm CMOS with balanced output
• ECE 3050 Analog Electronics Quiz 14 November 25, 2009
• EE4445 Quiz 3 April 12, 2010
• ECE 3050 Analog Electronics Quiz 9 July 15, 2009
• Example Mathcad sheet for extracting the parameters of the lossy voice-coil inductance. Data READPRN "em10resp.prn"( ) Reads the text file em10resp.prn.
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• ECE 6416 Quiz 1 October 7, 2009
• ECE 3050 Analog Electronics -BJT Formula Summary Equations are for the npn BJT. For the pnp device, reverse the directions of all current labels and reverse
• Common-Emitter Amplifier Example -Summer 2000 R P x y,( )
• ECE 4391 Quiz 3 Formula Sheet 0 = 4 10-7
• 7. DESIGN PROJECTFALL 2007 7.1 Objective
• ECE 3050 Analog Electronics Quiz 12 November 11, 2009
• ECE 3040 Microelectronic Circuits Quiz 10 July 21, 2004
• ECE 3050 Analog Electronics Quiz 11 November 4, 2009
• IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS AND CONTROL INSTRUMENTATION, VOL. JECI-14, NO. 1, APRIL 1967 A Study of the Applications of Analog Computers
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2009. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• ECE 3050 Analog Electronics Quiz 2 May 27, 2009
• ECE4435 Design Project 3 A Cascaded Chebyshev High-Pass Filter and
• Georgia Institute of Technology School of Electrical and Computer Engineering
• ECE 3050 Analog Electronics Quiz 14 April 22, 2009
• Georgia Institute of Technology School of Electrical and Computer Engineering
• Georgia Institute of Technology School of Electrical and Computer Engineering
• EE4445 Quiz 1 February 3, 2010
• ECE 3050 Analog Electronics Quiz 4 February 4, 2009
• ECE 3050 Analog Electronics Quiz 10 October 28, 2009
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Common-Source Amplifier Example K prime 0.002 W 1 L 1 V TO 1.75 0.016 0
• An Audio Compressor/Peak Limiter Circuit -Part III The object of this experiment is to connect the detector circuit assembled last week to
• ECE 3040 Microelectronic Circuits Quiz 7 June 30, 2004
• EE4435 Fall 2004 Design Project 2
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• ECE 3050 Analog Electronics Quiz 8 October 14, 2009
• Bipolar Junction Transistor (BJT) Noise Measurements
• Common-Emitter Amplifier Example R P x y,( )
• ECE 3040 Microelectronic Circuits Quiz 2 June 1, 2005
• ECE 3050 Analog Electronics Quiz 10 July 22, 2009
• Elliott Sound Products Project 66 Low Noise Balanced Microphone Preamp
• Room Dimensions for Optimum Listening and the HalfHRoom Princide*
• Georgia Institute of Technology School of Electrical and Computer Engineering
• An Audio Compressor/Peak Limiter Circuit The object of this experiment is to use the voltage-controlled amplifier designed in the
• ECE 3040 Microelectronic Circuits Quiz 8 July 7, 2004
• A Fifth Order Elliptic High-Pass Filter The object of this design project is to design, assemble, and evaluate a 5th order Elliptic
• On the Application of Superposition to Dependent Sources in Circuit Analysis
• 6.17. THE LOSSY VOICE-COIL INDUCTANCE 111 Solution. The impedance function is given by
• ECE 3040 Quiz 10 --July 27, 2005 Professor Leach Name
• Design ProjectFall 2004 The objective of this experiment is to evaluate a published low-noise design, to ascertain
• Characteristics of Physical Op-Amps In the preceding chapter, the op-amp is treated as an ideal circuit element. Because the waveform of the
• Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• An Audio Compressor/Peak Limiter Circuit The object of this experiment is to use the voltage-controlled amplifier designed in the
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Superposition Examples The following examples illustrate the proper use of superposition of dependent sources. All superposition
• IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-I FUNDAMENTAL THEORY AND APPLICATIONS, VOL 43, NO 11, NOVEMBER 1996 885 Circuits and Systems Expositions
• Fundamentals of Low-Noise Analog Circuit Design
• A two-port analogous circuit and SPICE model for Salmon's family of acoustic horns
• Dr. Leach's Filter Potpourri Transfer Functions
• GEORGIA INSTITUTE OF TECHNOLOGY A Unit of the University System of Georgia
• ECE 3050 Analog Electronics --MOSFET and JFET Formula Summary Equations are for the n-channel MOSFET. For the p-channel device, reverse the directions of all
• SLOS080J SEPTEMBER 1978 REVISED MARCH 2005 5POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• ECE 3050 Analog Electronics Quiz 2 June 2, 2010
• ECE 3050 Analog Electronics Quiz 4 June 16, 2010
• ECE 3050 Analog Electronics Quiz 5 June 23, 2010
• ECE 3050 Analog Electronics Quiz 8 July 14, 2010
• ECE 3050 Analog Electronics Quiz 10 July 28, 2010
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Ideal Op Amp Circuits The operational amplifier, or op amp as it is commonly called, is a fundamental active element of analog
• c Copyright 2009. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• ECE 3050 Analog Electronics Quiz 4 September 16, 2009
• ECE 3050 Analog Electronics Quiz 5 September 23, 2009
• ECE 3050 Analog Electronics Quiz 7 October 7, 2009
• ECE 3050 Analog Electronics Quiz 9 October 21, 2009
• ECE 3050 Analog Electronics Quiz 13 November 18, 2009
• ECE 3050 Analog Electronics Quiz 6 February 18, 2009
• ECE 3050 Analog Electronics Quiz 8 March 4, 2009
• ECE 3050 Analog Electronics Quiz 11 April 1, 2009
• ECE 3050 Analog Electronics Quiz 12 April 8, 2009
• Notational Conventions DC Quantity --Upper case-letter, upper-case subscript VBE, ID
• Thvenin Emitter Circuit The Thvenin equivalent circuit seen looking into the emitter is useful in calculating
• Common-Collector Amplifier Example R P x y,( )
• ECE3050 Summer 2005 Design Project
• BJT Single Stage Amplifier Circuits ECE 3050 --Analog Electronics
• BJT Amplifier Small-Signal Equivalent Circuits ECE 3050 --Analog Electronics
• An Op Amp Tutorial (Based on material in the book Introduction to Electroacoustics and Audio Am-
• Common-Base Amplifier Example -Spring 2002 R P x y,( )
• Common-Source Amplifier Example -Spring 2002 V plus 24 V minus 24 R 1 5 10
• Common-Gate Amplifier Example K prime 0.002 W 1 L 1 V TO 1.75 0.016 0
• Common-Drain Amplifier Example K prime 0.002 W 1 L 1 V TO 1.75 0.016 0
• EE3050 Fall 2000 Some Practice Problems
• Operational Amplifier Design Spring 2010
• A Low-Power Audio Amplifier The object of this experiment is to assemble and test a low-power audio amplifier that
• A Fourth Order Chebychev High-Pass Filter The object of this design project is to design, assemble, and evaluate a 4th order Cheby-
• Georgia Institute of Technology School of Electrical and Computer Engineering
• June 200522 0272-1708/05/$20.002005IEEE
• Switched Capacitor Band-Pass Filter The object of this experiment is to design and implement a fourth-order Chebyshev band-pass
• Georgia Institute of Technology School of Electrical and Computer Engineering
• ECE4435 Design Project 3 A Cascaded Chebyshev High-Pass Filter and
• Georgia Institute of Technology School of Electrical and Computer Engineering
• Georgia Institute of Technology School of Electrical and Computer Engineering
• Georgia Institute of Technology School of Electrical and Computer Engineering
• EE4435 Fall 2002 Design Project 1
• EE4435 Fall 2002 Design Project 2
• EE4435 Fall 2001 Design Project 2
• EE4435 Fall 2001 Design Project 3
• Design Project ECE4445 Audio Engineering
• EE4445 Quiz 2 March 5, 2010
• EE4445 Quiz 1 September 16, 2009
• EE4445 Quiz 2 October 21, 2009
• 1.7. DRIVER PARAMETER MEASUREMENTS 29 1.7.7 Parameter Measurement Summary Sheet
• ECE 6416 Quiz 1 October 6, 2010
• ECE 6416 Extra Problems 1 1. An average responding voltmeter is calibrated to read the correct rms voltage for a sine wave
• ECE 6416 Orientation Project The object of this experiment is to become familiar with the instruments used in the low noise
• 2. BAND-PASS NOISE MEASUREMENTS The objectives of this experiment are to use the Dynamic Signal Analyzer or DSA to mea-
• 5. EXPERIMENT 5. JFET NOISE MEASURE-The objects of this experiment are to measure the spectral density of the noise current output
• 7. DESIGN PROJECTFALL 2010 7.1 Objective
• Design Project--Fall 2007 The objective of this experiment is to design, simulate, evaluate experimentally, and
• First-Order Low-Pass Filtered Noise The object of this experiment is to become familiar with the characteristics of Gaussian noise.
• Op-Amp Noise Measurements The object of this experiment is to measure the equivalent input noise voltage and noise
• The objects of this experiment are to measure the spectral density of the noise current output of a JFET, to compare the measured density to the theoretical density, and to determine
• 7. DESIGN PROJECTFALL 2005 7.1 Objective
• 7. DESIGN PROJECTFALL 2006 7.1 Objective
• 2 The Junction Diode 3 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
• ECE 3040 Microelectronic Circuits Quiz 1 May 25, 2005
• ECE 3040 Microelectronic Circuits Quiz 3 June 8, 2005
• ECE 3040 Quiz 4 --June 15, 2005 Professor Leach Name
• ECE 3040 Quiz 5 --June 22, 2005 Professor Leach Name
• ECE 3040 Quiz 8 --July 13, 2005 Professor Leach Name
• ECE 3040 Microelectronic Circuits Quiz 2 May 26, 2004
• ECE 3040 Microelectronic Circuits Quiz 3 June 2, 2004
• ECE 3040 Microelectronic Circuits Quiz 5 June 16, 2004
• ECE 3040 Microelectronic Circuits Quiz 6, June 23, 2004 Professor Leach Name
• EE4391A Electromagnetic Compatibility Summer 2004
• Equivalent Noise Input Voltage Figure 1 shows the amplifier noise model with a Thvenin input source, where Vs is the source
• Comparison of the JFET and the BJT An exact comparison of the BJT and the FET is impossible, in general, because the noise perfor-
• What Value of QTC Minimizes the Lower Cutoff Frequency of a Closed-Box Loudspeaker System?
• Vented-Box Loudspeaker Design with a Given Driver (From the book Introduction to Electroacoustics and Audio Amplifier Design,
• Norton Collector Circuit The Norton equivalent circuit seen looking into the collector can be used to solve for the
• F E A T U R EF E A T U R E Analog Computers
• Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• ECE 3050 Analog Electronics Quiz 2 September 2, 2009
• ECE 3050 Analog Electronics Quiz 3 June 3, 2009
• Microelectronic Circuits Summer 2005
• Transfer Functions and Bode Plots Transfer Functions
• Hybrid-Model with Body Effect Let the drain current and each voltage be written as the sum of a dc component and a small-
• Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• 1 Basic Principles of Sound 1 1.1 Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
• ECE3050 Mason's Flow Graph Formula Amplifier analysis using superposition is often facilitated by the use of signal flow graphs.
• Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Request for Letter of Recommendation from Professor Leach I will write no more than three letters of recommendation for any student, one to Georgia Tech and two
• Zoff READPRN "offbox.txt"( ) Zon READPRN "onbox.txt"( ) 14.86 11.503 66.566
• Simplified T Model Figure 1 shows the T model with a Thvenin source in series with the base. We wish
• An FET Audio Peak Limiter W. Marshall Leach, Jr., Professor
• CE Amplifier Example This example makes use of the expressions derived in class for the common-collector amplifier.
• EE4445 Quiz 3 November 23, 2009
• Common-Base Amplifier Example R P x y,( )
• Georgia Institute of Technology School of Electrical and Computer Engineering
• Common-Drain Amplifier Example -Spring 2002 K' 0.002 W 1 L 1 V TO 1.75 0.016 0
• ECE 3050 Analog Electronics Quiz 3 June 9, 2010
• Electroacoustic Glossary of Symbols a Radius (m), Equivalent piston radius of diaphragm (m)
• IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. SC-16>NO. 6, DECEMBER 1981 653 Amplifier Techniques for Combining Low Noise,
• ECE 3040 Microelectronic Circuits Quiz 4 June 9, 2004
• EE3050 Fall 2000 Some Practice Problems
• ECE 3050 Analog Electronics Quiz 1 May 20, 2009
• CC Amplifier Example This example makes use of the expressions derived in class for the common-collector amplifier.
• Low-Noise Amplifier Design Georgia Institute of Technology
• ECE 6416 Orientation Project The object of this experiment is to become familiar with the instruments used in the low noise
• ECE 6416 Formula Sheet thermal = 4kTRf i2
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• An Audio Compressor/Peak Limiter Circuit -Part II The object of this experiment is to connect the detector circuit assembled last week to
• Cascode Amplifier Example -Spring 2002 R P x y,( )
• Common-Gate Amplifier Example K' 0.002 W 1 L 1 V TO 1.75 0.016 0
• 4. BIPOLAR JUNCTION TRANSISTOR (BJT) NOISE MEASUREMENTS
• A READPRN "jbl2241h.prn"( ) The READPRN statement reads in the data file. is the frequency. An 1,
• ECE 3050 Analog Electronics Quiz 5 February 11, 2009
• Common-Collector Amplifier Example -Summer 2000 R P x y,( )
• Audio Engineering Instructor Dr. W. Marshall Leach, Jr., Van Leer E386, 404-894-2963 (Secretarial Assistant: 404-
• EE4435 Fall 2002 Design Project 3
• 4. BIPOLAR JUNCTION TRANSISTOR (BJT) NOISE MEASUREMENTS
• 0. ORIENTATION The object of this experiment is to become familiar with the instruments used in the low
• Thvenin Base Circuit Although the base is not an output terminal, the Thvenin equivalent circuit seen looking
• ECE 3050 Analog Electronics Quiz 7 February 25, 2009
• 3. OP-AMP NOISE MEASUREMENTS The object of this experiment is to measure the equivalent input noise voltage and noise
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• ECE 3050 Analog Electronics Quiz 3 September 9, 2009
• Simplified T Model with Body Effect Figure 1 shows the MOSFET T model with a Thvenin source in series with the gate and the
• Analog Electronics Summer 2010
• ECE 3050 Analog Electronics Quiz 3 January 28, 2009
• 1. EXPERIMENT 1FIRST-ORDER LOW-PASS FILTERED NOISE
• EE3050 Spring 2001 Some Practice Problems
• The objects of this experiment are to measure the spectral density of the noise current output of a JFET, to compare the measured spectral density to the theoretical spectral
• Closed-Box Design with a Given Driver (From the book Introduction to Electroacoustics and Audio Amplifier Design, Second
• ECE 3040 Quiz 9 --July 20, 2005 Professor Leach Name
• ECE 3050 Analog Electronics Quiz 7 July 7, 2010
• ECE 3050 Analog Electronics Quiz 6 September 30, 2009
• Zobel Network Design (From the book Introduction to Electroacoustics and Audio Amplifier Design, Second
• An Audio Compressor/Peak Limiter Circuit -Part III The object of this lab is to test your compressor/limiter with a "real-world" audio signal.
• Impedance Compensation Networks for the Lossy Voice-Coil Inductance of Loudspeaker Drivers*
• c Copyright 2009. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• CE -CC Amplifier Example For the circuits in the figure, it is given that V + = 10 V, V -= -10 V, Rs = 5 k, R1 = 100 k,
• ECE 3050 Analog Electronics Quiz 1 May 26, 2010
• ECE 6416 Practice Problems 1 1. The probability density function for a zero-mean random noise voltage is
• Conduction in Semiconductors 1.1 Introduction
• The Junction Diode Basic Operation
• c Copyright 2010. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2009. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Current Mirrors Basic Current Mirror
• ECE 3050 Analog Electronics Quiz 13 April 15, 2009
• ECE 3050 Analog Electronics Quiz 9 July 21, 2010
• 442 JOURNAL OF THE AUDIO ENGINEERING SOCIETY, VOL. 50, NO. 6, 2002 JUNE Loudspeaker Voice-Coil Inductance Losses
• ECE 3050 Analog Electronics Quiz 7 July 1, 2009
• ECE 3040 Microelectronic Circuits Quiz 1 May 19, 2004
• A Voltage Controlled Amplifier The object of this experiment is to assemble and test a voltage controlled amplifier (VCA)
• Effects of Op-Amp Finite Gain and Bandwidth Open-Loop Transfer Function
• The figure shows a possible version of the compressor amplifier described in class. V1 and E1 are differ-ential input sources. These can be realized in the lab with two op amps, one a non-inverting amplifier and
• A Voltage Controlled Amplifier In this circuit, you will need an n-channel JFET which is to be operated as a voltage vari-
• ECE 3050 Analog Electronics Quiz 6 June 24, 2009
• Common-Emitter Amplifier Frequency Response Example R P x y,( )
• ECE 6416 Quiz 2 November 16, 2009
• c Copywright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• c Copyright 2008. W. Marshall Leach, Jr., Professor, Georgia Institute of Technology, School of Electrical and Computer Engineering.
• Low-Noise Electronics Orientation Experiment
• BJT Device Equations Figure 1 shows the circuit symbols for the npn and pnp BJTs. In the active mode, the collector-base
• Low-Noise Electronics Instructor: Dr. W. Marshall Leach, Jr., Van Leer E388, 404-894-2963 (Secretary: 404-894-2973),
• 7. DESIGN PROJECTFALL 2009 7.1 Objective
• BJT Differential Amplifier Example R P x y,( )
• 334 IEEE Transactions on Consumer Electronics, Vol. 34, No. 2, MAY 1988 FEEDFORWARD COMPENSATION OF THE AMPLIFIER OUTPUT STAGE FOR IMPROVED STABILITY
• The BJT Differential Amplifier ECE 3050 Analog Electronics
• ECE 3040 Microelectronic Circuits Quiz 9 July 14, 2004
• 1 Basic Principles of Sound 1 1.1 Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1