Sabtu, 30 Juni 2012

Orcad Capture Video Tutorial: DSB-SC with real speech signal

This video tutorial shows how to modulate a carrier signal with a real speech signal from a text file to produce a DSB-SC signal using Cadence Orcad Capture + PSPICE simulation. In this modulation, the AD633 analog multiplier is used to obtain DSB-SC signal. The speech text file for this example is provided below and it is used in the circuit schematic using the VPWL_F_RE_FOREVER signal source as shown in the video. The carrier frequency used is 100KHz. The DSB-SC signal waveform and the spectrum is viewed. The designed circuit can be further processed to produce a printed circuit board.

Video: DSB-SC Modulation with real speech signal using Cadence Orcad Capture

Speech text file is below for download:

http://www.filefactory.com/file/58683www192n/n/speech.txt

Kamis, 28 Juni 2012

Orcad Capture Video Tutorial: AM signal generation

This video tutorial shows how to generate AM signal in orcad capture using LM411 opamp. The message signal frequency is 2KHz and the carrier signal frequency is 100KHz. The AM signal waveform and it's spectrum is generated.


 Video: AM Modulation in Orcad Capture
AM Modulation using LM411 opamp schematics
AM Modulation using LM411 opamp schematics
AM signal Waveform
AM signal Waveform




AM signal spectrum
AM signal spectrum


Rabu, 27 Juni 2012

Orcad Capture Video Tutorial: DSBFC and DSBSC AM Modulation

This orcad capture video tutorial shows DSBFC and DSBSC AM modulation with AD633 multiplier. The AD633 multiplier can be configured to generate both DSB full carrier(FC) and suppressed carrier(SC). The carrier signal frequency at 20KHz is modulated by the message signal of frequency of 1KHz. The circuit schematics and output graph is also shown below. This circuit can be further processed for circuit pcb board design.

 Orcad Capture Video Tutorial: DSBFC and DSBSC AM Modulation

Orcad Capture Video Tutorial: DSBFC and DSBSC AM Modulation


DSB-FC waveform

Minggu, 24 Juni 2012

Download Autodesk AutoCAD free

Download Autodesk AutoCAD 2014 freeDownload Autodesk AutoCAD 2014 free. This architectural drafting software is useful for electronics design to quickly draw board outline, electrical wiring diagram and schematics. Although not electronic design specific software like orcad cadence(see download Orcad from Cadence), Pspice, ADS or Eagle for PCB design(see download CADsoft Eagle 6.3) this software is useful to create astonishing
electronics and electrical diagram quickly for review purpose. Try it.

Download Link:
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Download Installation Guide:

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Download Solidworks 2010 free

Download Solidworks 2010 free
Download Solidworks 2010 free here from the link below. Solidworks EDA is a popular EDA software that can be used for prototyping packaging, simulate and analyze thermal and mechanical stress and strain, pcb packaging, housing design etc. It is used by high tech companies to simulate and prototype electronics products and allows them to quickly manufacture sophisticated electronics products.

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Sabtu, 23 Juni 2012

Download Zend Studio Free

Download Zend Studio freeDownload Zend Studio Professional Edition v10.0.1.20130406 free here. Zend Studio is a PHP IDE for application development that can be used for prototyping and developing mobile application. Electronics engineers can develop and automate application for designing electronics system and take competitive advantage in electronics design automation.

Download Link:

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Guide to installation:
1. Unpack. (UnZip/UnRAR)
2. Install. (Run Setup.exe)
3. Copy the file from the Crack folder
(com.zend.php.core_9.0.1.201112141951.jar) into the \plugins dir and
overwrite the existing file with our cracked one.
4. Run the program and register with one of the keys from Crack\Keys.txt 


See also Video Conferencing software

Simulink Video Tutorial: Stardard AM modulation and demodulation

This video tutorial shows how to create a simulink model of Standard AM in matlab with coherent detection. Standard AM also known as conventional AM or simple DSB(double sideband) AM or DSB large carrier is a amplitude modulation technique in which carrier is sent alongwith the message signal and the both the sidebands of signal after modulation is transmitted. Hence the disadvantage of Standard AM is the increased power requirement at the transmitter. The benefit is that carrier signal can be extracted from the transmitted standard AM signal and thus non coherent receiver can be build, meaning that the receiver complexity is reduced.
The video below shows the AM modulation and demodulation, where the demodulation is of the coherent type, meaning that the carrier signal is generated by the receiver(and not extracted). The frequency of the message and carrier are 200Hz and 1500Hz respectively. At the receiver the butterworth LPF and butterworth HPF is used to recover the transmitted message. The HPF blocks the DC component that appears in the received signal.


Reader may also be interested in download matlab 2012 and download matlab 2013 blog post.

RF PCB Design free ebooks

The design of communication system circuit when the operating frequency of signal is in the range of some hundreds of Mega Hertz(MHz) to few Giga Hertz(GHz) is called RF circuit design. The RF circuit components such as mixers, filters, power sources, amplifiers etc are placed on a PCB(Printed Circuit Board). This process of designing and manufacturing RF circuit on PCB is called RF PCB Design. To design RF circuit on PCB requires understanding of EM coupling between the transmission lines, the delays in phase and time, knowledge of limitation and performance of components etc. Below is a collection of RF PCB design ebooks which you can download for free. 

  1. Christopher Bowick RF Circuit Design
  2. Circuit Design for RF Transceivers
  3. Complete PCB Design Using OrCad Capture and Layout
  4. Signal Integrity Issues and Printed Circuit Board Design
  5. Printed Circuit Boards: Design Fabrication and Assembly
  6. RF Microwave Circuit Design for Wireless Applicatio
  7. RF Design Guide: System, Circuits and Equation 

Rabu, 20 Juni 2012

Standard AM simulink model video tutorial

Here is a video tutorial that shows how to create a simulink model for standard AM or equivalently DSB modulation. The message signal frequency is 200Hz and carrier frequency is 1500Hz. The spectrum of the signals that is message, carrier and AM signal is viewed. Also see the download matlab 2012 and download matlab 2013 blogpost.


Selasa, 19 Juni 2012

Simulink Video Tutorial: DSB-SC Modulation and Demodulation

The following video shows how to create DSB-SC modulation and demodulation simulink model in matlab. It shows how to generate DSB-SC signal, check the waveform and also see the spectrum of message, carrier and DSB-SC signal. It then shows how to build a demodulator, verify the received signal waveform and their spectrum. Here butterworth filter is used to get back the message signal and verify the demodulated message waveform and spectrum. For matlab see download matlab also.



Minggu, 17 Juni 2012

DSB-SC Simulink Video Tutorial

Watch DSB-SC simulink video tutorial. Here the message signal frequency is 200Hz and carrier signal frequency is 1500Hz.








Sabtu, 16 Juni 2012

An Introduction to Parametric Digital Filters and Oscillators Download Ebook Free

An Introduction to Parametric Digital Filters and Oscillators Download Ebook Free
Download An Introduction to Parametric Digital Filters and Oscillators Ebook Free. This book contains chapters on basics of discrete signal and discrete filters, linear discrete time invariant system, periodically discreate LTI system, parametric filter system and analysis, digital parametric ocillators, parametic oscillator in steady state mode.

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Download Satellite Communication PDF Ebook Free

DownloadDownload Satellite Communication PDF Ebook Free Satellite Communication, 4th edition, by Dennis Roddy Ebook Free. This book covers broad sector of Satellite Communication from transmitter, receivers, Geo stationary orbit, the earth segment, the satellite part, transmitter and receiver design, antenna design(see CST Studio download to design antenna), polarization, radio wave propagation interference, link budget, coding and decoding of data such as turbo codes, BCH etc.

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Design and Receipes of FPGAs Download Ebook Free

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A Guide To Matlab for Beginners and Experienced Users Download Free Ebook

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Kamis, 14 Juni 2012

Download Proteus 8 SP2 free

Download here free Proteus 8 SP2 professional free with password. Proteus 8 is a electronics circuit board design, PCB circuit board assembly and prototyping software that can also be used to for real time simulation of microcontroller such as 8051, design of schematics of electronics and external electrical circuits and PCB(printed circuit board) design.
Download Proteus 8 SP2 free
This multifunctional circuit board design software allows to quickly verify your design, perform analysis, simulation and produce a working electronics product. Proteus is developed and produced by Labcenter Electronics. There are many great feature but some are like once you had build a working prototype and later on you want to change some connectivity in the schematics, the changes are reflected in the PCB, BoM and design explorer.

Another great feature of Proteus circuit design and PCB prototying software is that you can actual view whether designed circuit with the micro-controller are working or not with input and output response. You may also want to visit download proteus 7.8 or download proteus 7.6 and many other electronics circuit board design software  blog post on this blog.

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Rabu, 13 Juni 2012

Digital Logic and Microprocessor Design with VHDL Free Download Ebook

Digital Logic and Microprocessor Design with VHDL Free bookDownload "Digital Logic and Microprocessor Design with VHDL" authored by Enoch O.Hwang, ISBN: 0-543-46593-5 Ebook Free. This book is easy to understand in a clearly written language. The difference between other microprocessor book and this book is that it bridges the design gap between the low level logic gate design and high level subsystem to create a custom dedicated (ASIC) microprocessor and general purpose microprocessor. Altera is used as FPGA design tool for verification and simulation with examples of VHDL codes (however Xilinx ISE suite can also be used, see Xilinx ISE download blog post). It contains 12 chapters starting from designing a microprocessor, Digital circuit, Combinational circuit, Sequential circuit, Combinational Components,Implementation Technologies, Latches and Flip-Flops, Sequential Circuits, Sequential Components, Datapaths, Control Units, Dedicated Microprocessors and General-Purpose Microprocessors.

See also Download Proteus Software that allows to write codes for microprofessor based project and  for microprocessor simulation with other components. 

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Download Matlab Tutorial: Digital Circuit Analysis and Design with Simulink Modeling and Introduction to CPLDs and FPGAs

Digital Circuit Analysis and Design with Simulink Modeling and Introduction to CPLDs and FPGAsDownload Matlab Tutorial pdf ebook: "Digital Circuit Analysis and Design with Simulink®Modeling and Introduction to CPLDs and FPGAs" free written by Steven T.Karris. This book contains exercises on different numbering system and their conversion eg decimal to hex, binary to decimal, sign magnitude and floating point, binary codes, boolean algebra, simulink example on combinational logic and sequential logic, memory devices, advanced mathematical operation. Following this chapter it introduces to FPGA and CPLD programming with Xilinx FPGA(see download Xilinx free post), altera wherein how to program them, the basic of FPGA such as boundary scan etc are described. Also see the download Matlab 2012 and latest version download matlab 2013 blogpost here.


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Download Matlab Simulink Tutorial Ebook Free

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8051 Microcontrollers : An Applications Based Introduction Download Ebook Free

8051 Microcontrollers : An Applications Based Introduction Download Ebook FreeDownload Ebook Free: "8051 Microcontrollers : An Applications Based Introduction" authored by
David M Calcutt, Frederick J Cowan and G Hassan Parchizadeh, ISBN:07506 5759 6, Published by: Integra Software Services Pvt. Ltd, Publication Year: 2004.

This is useful for electronic designer to design electronic system with microcontroller. Written for practicing engineers to help in developing prototypes, it provides guides to developing system, how to program codes in assembly and C with P89C66x based microcontroller and flash microcontroller. It also has analysis on microcontroller with question and answers, conversion from binary to hex for example, instruction with examples, programming the microcontroller, PCB artwork with microcontroller, various simulation software. It also contains project application- speed control of DC motor, stepper motor, function generator and others. See Xilinx FPGA free download blog post which is a FPGA design tool.


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A First Lab In Circuits and Electronics Download Ebook Free

Download Ebook Free: "A First Lab In Circuits and Electronics" authored by: Yannis Tsivids, Published by: John Wileys & Sons Inc.

A First Lab In Circuits and ElectronicsDesigned and written concisely, understanding the difficulty and problem faced by today's students, the author has succeeded in his book "A First Lab In Circuit and Electronics" to solve students mind, their hindrance in understanding electrical and electronics engineering theory and application by emphasizing work and prove theory by experiment. As an example it contains theory and lab instruction to design an electronic circuit to amplify one own voice and listen to it thus learning sensors(microphone), the actuators(loudspeaker) and amplifier design. Moreover it contains modulation of signal, an important, exciting and innovative topic applied in for example in wireless communication. This book is recommended and useful in every academic institution where electrical and electronics and communication subject is taught. Likewise it is useful for anybody whose hobby lies in electrical and electronics or physics. The first step is crucial and the author has undoubtedly understood this and has written a book with meaning and usefulness.


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Readers may also be interested in "How to design PCB in orcad?" blogpost.

Download The 8051 Microcontroller Ebook Free

Download Ebook Free: "The 8051 Microcontroller: Architecture, Programming and Application", ISBN: 0-314-77278-2(Soft) authored by Kenneth J.Ayala, Published by: West Publishing Company, Year of Publication:1991.

The book is meant for wide audiences, that is for students, computer engineers, electronics engineers, professionally involved, novice electronic designer freelancers and also as a textbook in academic institutions.

The book starts with historical facts based on survey on microprocessor and microcontroller, difference between microprocessor and microcontroller, example of various earlier 4bit, 8bit, 16 bits, 32 bits microcontrollers. Following this introduction on microprocessor and microcontroller, five chapters is devoted to Microcontroller Architecture wherein how data are manupulated, moved around and calculation on data is performed, stored, the assembly language, mathematical operation is described. The seventh chapter is on the Design of 8051 microcontroller. The last two chapters is on Application of 8051 microcontrollers where input device (keyboard), output device the display, interfacing the analog and digital world, the interrupt and serial data communication is described. All chapters includes summary and question at the end of the chapters.The appendix contains operational codes mneumonics, assembler and simulators instructions.

This book is helpful to quickly understand Microcontrollers. It is written in simple language and therefore is easy to understand. It contains theory, algorithm, codes, block diagram of how different components of microcontroller are connected together and has explained each components in details. Application chapter has described essential parts (the input, output and interfacing) to get started with microcontrollers.

Important:
The book review was made quickly and readers are advised to go through the book by himself/ herself.

Download Link for "The 8051 Microcontroller: Architecture, Programming and Application":

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Also see Digital Electronics by Morris Mano

Selasa, 12 Juni 2012

Download Application Specific Integrated Circuits Ebook Free

Download Application Specific Integrated Circuits Ebook FreeA good book on Application Specific Integrated Circuits (ASIC) is the Application Specific Integrated Circuits written by Michael John Sebastian Smith. This book starts with introduction to what is ASIC? and the history of IC design and ASIC, types of ASIC, full custom design IC, the design flow of ASIC.Then it explains asic library cells, programmable ASIC, I/O of ASIC, interconnect with examples of Actel, Xilinx(see download Xilinx free) and Altera softwares. It then explains the design entry, schematics, PLA Tools. Following these basic and intermediate introduction, example of VHDL coding are provided with codes such as counter and multiplexers design. Example of Verilog HDL codes for counter design, viterbi decoder, control flows etc are also provided. Then VHDL and verilog HDL synthesis topic is described with examples on multipliers, memory synthesis, optimization of viterbi decoder etc. Simulation and Test(such as boundary test) chapters are then described. ASIC construction chapter then follows wherein physical design issue, the EDA or CAD for FPGA design, system partitioning, FPGA partitioning, power issue etc are described. Floorplanning and routing are then followed. The last chapter includes VHDL and Verilog HDL resources

Download Link:

 http://www.filefactory.com/file/20wc88t34s1j/n/asic.pdf


Download Schematic drawing software ProfiCAD for Free

Download Schematic drawing software ProfiCAD for FreeDownload free electrical and electronics design diagram software, schematics diagram of electronics system called ProfiCAD. It allows engineers to quickly draw schematic diagram such as RF circuits, creating bill of materials, generate netlist and other functions.

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Other schematic drawing software with PCB layout design software-
To learn how to create a Printed Circuit Board see our PCB Design Tutorials

Download Matlab 2013 Free

Download Matlab R2013 ISO for windows or unix system for free. Matlab 2013 is the latest Matlab software version and this is most popular programming, simulation and visualization tool used by engineers, scientists in their professional work such as research.

Matlab helps electronics designer engineers produce and study communication system models using simulink. Simulink contains almost all block components used in today's communication system. Various types of modulation, channels, sources such as pulse generators, sine wave, sinks, filters, amplifiers etc. See also the Online Matlab Courses simulink video tutorials in this blog. Matlab is very helpful to quickly create communication models and contains demos tutorials.

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Also see Labview Download Student

Senin, 11 Juni 2012

Download Mathematica Free

Download Wolfram Mathematica 9.0.1 Free Download Wolfram Mathematica 9.0.1 Free from the link provided below. Mathematica is a useful mathematical analysis and simulation software for electronics and electrical students, engineers and physical scientists. It allows to model, design and simulate, perform advanced signal processing(image processing), analyze communication system, design and analyze filters, design and simulate antenna radiation and design of antenna, analyze optical signal through the optic fibers, analyze like a oscilloscope, analyze semiconductor devices, perform RF signal and microwave radio signal analysis on smith chart, s parameters etc. Download Mathematica 9, which has improved features than the mathematica 8 or mathematica 7 version.

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Download Mathcad Prime Free

Download PTC Mathcad Prime freeDownload PTC Mathcad Prime free. PTC Mathcad prime is a math software that can be used to solve engineering problems to speed up tedious calculation process and predict and create innovative ideas using statistical analysis tools. It contains hundreds of spreadsheets it helps electronics and electrical engineers to solve problems such as field pattern of antenna array, in waveguides such as striplines, coaxial cables, impedences, wire gauge table etc. Furthermore it can also be used with MATLAB and Orcad PSPICE to perform simulation and research.

Links removed due to DMCA

Sabtu, 09 Juni 2012

Download Free Ebook: VLSI Physical Design Automation

Download Free Ebook: VLSI Physical Design Automation
Download VLSI Physical Design Automation: Theory and Practice Ebook Free from the link below. This VLSI design book is excellent for new comers in the field of VLSI and FPGA design. The book describes the VLSI design area starting from what VLSI is? the benefits and application area, then describing with the process involved in VLSI manufacturing from start to finish, physical design, floor-planning, the problems in various steps etc. It then explains the VLSI design steps in much more details with algorithms involved, such as circuit partitioning, floorplanning, placement, various FPGA routing such as grid routing, global routing, channel routing, the layout generation process and FPGA design CAD tools.

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Jumat, 08 Juni 2012

Download Applied Crytography Ebook Free

Download Ebook Applied Crytography by Mark Stamp and Richard M Low Free. This book on cryptography contains all methods and crytotography techniques used in todays. Classic ciphers, world war 2 ciphers, stream ciphers, block ciphers, hash functions, public key systems and public key attacks are described in this cryptographic book. Algorithms are provided and cryptography used in todays GSM network is also described.


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Selasa, 05 Juni 2012

Solution Manual of Modern Digital and Analog Communication by B.P. Lathi Download Free

Download the solution manual of modern digital and analog communicationDownload the solution manual of modern digital and analog communication authored by BP Lathi eBook free. B.P. Lathi's Modern Digital and Analog Communication Systems is one popular textbook on communication system design.
 
Download the Modern Digital and Analog Communication Systems if you don't already have it.

The book itself describes analog and digital communication system design theory at higher level rather than at the circuit level. It gives theoretical explanation of how the digital and analog modulation performance is evaluated and compared to each other. Probability theory and Random Process which are vital in understanding channel and other impairment is explained nicely in this book.

Download the solution manual for B.P. Lathi Modern Digital and Analog Communication Systems:

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Jumat, 01 Juni 2012

Download The Art of Electronics by Horowitz Ebook Free

Download The Art of Electronics written by Paul Horowitz and Winfield Hill Ebook Free. This electronics ebook is a complete book on electronics design, electronics system and components. Starting from the very beginning of theorical and mathematical concepts it has described all the electronics component with examples where they are used typically. Resistors, inductors, capacitors which are passive components are described first.

The Art of Electronics ebook then describes diodes and its application in the rectifiers and regulators, then transistors and its types bipolar and FET, CMOS are described with mathematical models and different configuration and the application of transistors such as switches. Then feedback operational amplifiers are described along with their application in sample and hold circuits, integrator and differentiators, comparators etc. Then the active filters and oscillators are described. Voltage regulators, power circuits, precision op-amp, noise measurement, digital electronics, digital and analog interface, microcomputers, microprocessors, low power design.


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Download Photonic Essential Ebook Free

Download Photonic Essential Ebook FreeDownload Photonic Essential: An Introduction with Experiment Free PDF Ebook. This ebook on photonics contains essential introductory topics with exercices. It is easy to understand and therefore anyone who want to develop quick knowledge on photonics should read this. It contains theory and exercises in each topics to increase practical knowledge such as Laser, LED, experimental photonics, optical fiber, optical amplifiers, photoconductivity, response time of diodes, direct modulation of laser diodes etc. The Comsol Multiphysics software downloadable here is useful with this book.

Source link not available anymore

Download Saleh Fundamentals of Photonics Ebook Free

Download Saleh Fundamentals of Photonics Ebook FreeDownload Ebook Free Fundamentals of Photonics by Bahaa E. A. Saleh and Malvin Carl Teich. This is a good introductory text book for engineering graduates and physicists and professional working in the photonics and electronics industry. The book is well organized and therefore easy to understand for new comers and discusses the current and future of photonic communication system. The book describes photonics communication system and components such optics and fiber optics, quantum electronics, optoelectronics and lightwave technology. The first part is about the elementary topics on optics and photonics wherein beam optics, Fourier optics, electromagnetic optics, polarization and crystal optics, guided wave optics, statistical optics are discussed. The second part consist of optical information processing, wherein, Fourier optics, statistical optics, electro optics, acoustic optics and photonic switching and computing. The third part is about quantum electronics where beam optics, resonator optics, photon optics, photon and atoms, laser amplifiers, lasers, photon in semiconductors etc are covered. The next part is optoelectronics where photons in semiconductors, photon source, photon detectors, fiber optics communication etc are explained. The optical electronics and communication part futher discusses the components used in the photonic communication systems such as resonators optics, amplifiers and semiconductors. The next part is about lightwave devices and then about communication system using lightwave.


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