Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Search results

  1. D

    design and implementation of stack pointer in a processor

    stack pointer design Dear Friends, Please give some hints regarding internal processor design materials and sites and how a processor is implemented on paper at-least. Even the most primitive design will be fine.Some material regarding the same will be most welcome. Thanks in advance Cheers...
  2. D

    Multi core Processor - information regarding multicore CPU

    Multi core Processor Hi all, Please provide some information regarding multicore architecture CPU and single core core CPU. Please provide some link to basic architechture differences and the pro and cons of both. thanks in advance Regards, Devang
  3. D

    Help me get some proofs in linear algebra

    please can any one provide me the proofs!!! Question: Denote a vector space of all functions f:R -> R which are infinetly differentiable by C^∞(R). This space is called the space of smooth functions. a. Show that C^∞ is infinite dimensional. b. Show that differentiation is a linear...
  4. D

    design and making of transformers for low power electronics

    Transformers Hi all, Can any body tell me the design and making of transformers for low power electronics application(i mean the steps) any guide or site links are welcome. Thanks and Regards, Devang
  5. D

    Need Assembler for 89S52 4kb of code

    Hello Friends, Can u suggest an assembly language compiler 89S52 for 4KB of assembly code which is available on the net. Thanx & best regards
  6. D

    The theory of MOSFET Switching

    Hello friends, Can anyone help me to get the theory of MOSFET Charachteristics & operating principle on the net. one more doubt what is hard & soft switching in the Mosfet. This i think is used for SMPS. please provide some solution(s) with details. Thanks in Advance Best Regards
  7. D

    Differences in MOSFET & IGBT

    differences of mosfet Dear friends, I want to use mosfet or IGBT for switching application at high power & high voltage can someone list me all the differences between the MOSFET & IGBT. Also LIST their advantages, disadvantages and features. Thanks in advance Best Regard.
  8. D

    noise immune microcontroller (8051 family)???

    microcontroller and noisy environment Hello friends, Can any one suggest a microcontroller which is highly immune to noise from 8051 family? I am currently using 89C2051 for my application but the circuit is to be placed in very noisy environment. Noise level is high. So please suggest a...
  9. D

    crystal oscillator of 89C2051

    Hello friends! I have connected VCC AND GND to µC 89C2051, connected power on reset ckt (10µF & 8.2k resistor)as well as the crystal with 33pF capacitor (as per the datasheet)but still i m not getting the output from crystal (i.e. any waveform on the crystal pins). i have also connected 100nF...
  10. D

    Looking for info about transformer design techniques

    Transformer design Hello friends, I want to learn the transformer design techniques & implement a transformer. Is there some short-cut that if we only electrical parameters i.e i/p & o/p voltage,i/p & o/p current and maximum frequency of operation we can get the core shape & material,no...
  11. D

    SKIN & Proximity effects

    hello friends, Can anyone explain skin effect and proxmity edffect in detail with mathematical details. or provide some useful links with regard to the same. Thanks
  12. D

    Help me implement a rectifier & control circuit with variable voltage input

    Hello friend, I want to implement a rectifier & controlcircuit with input variable voltage from90-270V current 3A & output should be 400VDC & output power to be 250W basically i need a line regulation as output must be constant at 400V & 250W Please suggest some design method/s Thanks in...
  13. D

    Generating a PWM signal from an analog input voltage ranging 0-10V

    Hello Friends, Can any one suggest some digital circuit or microcontroller based PWM which takes a control voltage range from 0 to 10 volts and output a digitally controlled PWM signal. Thanks in Advance
  14. D

    How to give a +5V or 0V as a input to 89C2051?

    Re: inputs to 89C2051??? Hello friends! Can u tell me how to give a +5V or 0V as a input to 89C2051? i want information on internal pull up facility i am not getting what is meant by pull up? Thanks Added after 1 hours 48 minutes: input is meant as to the port pins of port1 & port-3
  15. D

    How to make a variable power supply (100-400V) ?

    smps lm494 hello friends! I want to make variable power supply whose input is 400V D.C which is to be varied from 100-400V through a control voltage of 0-10V. Please give some suggestion on how to implement this design. thanks in advance!
  16. D

    PWM implementation in AVR Microcontroller

    hello friends !!!!! I want to use PWM option in AVR Microcontroller for frequency generator application. Can any one give an example of how to do it with either assembly or C language. explanation about how to implement frequency changes/duty cycle changes in AVR microcontroller?(through...
  17. D

    PCB Manufacturing Processes

    Hello friends!!!! What are the different PCB Manufacturing methods can anyone give details and features of the each diffrent method? please list all methods . The process design steps if available will be useful . Thanks in advance
  18. D

    TWO PWM in Microcontroller

    microcontroller with 2 pwm Hello Friends!!!! Can anyone suggest Microcontroller with 2 PWM output with 4K or more flash memory. Can i get the Evolution of Microcontrollers with Different Manufacturers' various Devices (µC)and their features. What are generation of µC...
  19. D

    Scaning the Change in inputs

    Hello friends!!!!!! I have four bit information(four wires) i want to track change of bit on each wire line and generate a pulse to interrupt the microprocessor.I need to genrate 'high to low' or 'low to high' pulse even if only one bit changes. how can i do this please tell me !?
  20. D

    interfacing of memory with 8085

    interfacing memory with 8085 Respected sir , i m interfacing 8085 with memory . the interface is not giving errors but the data bus and lower address bus is not giving proper waveforms . i guess the problem is with program counter increments. if you can suggest some scheme to remove...

Part and Inventory Search