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Recent content by mystery

  1. M

    PIC16F628A Eeprom Write without Erasing Flash Code

    Thanks for your interest. Do you know any programmer which do this. Or do I have to implement it myself?
  2. M

    PIC16F628A Eeprom Write without Erasing Flash Code

    Hi All, I want to write (modify) the eeprom of the PIC16F628A which is code protected. All of the programmers first of all sends the "bulk erase" & erase all locked flash content then updates the eeprom contents. Is there a way to update the eeprom contents without erasing locked flash content...
  3. M

    Mentor Expedition Price

    mentor expedition price Hi Friends What is the price level for the Mentor Expedition ? thanks
  4. M

    VME bus specification

    vme spec Hi binu G Could you also upload PMC and XMC specification to here? I need it urgently thanks
  5. M

    Help me design a power supply system

    Hi to all I want to design a box which have the following properties. The incoming voltage is 24V. The output voltage will be adjusted by a pot, and the output voltage will be between 0 to 24 V. And the output current will be about 10 A. Could you help me to design such a system. How will...
  6. M

    shield signal pattern- clarification required

    I do not recommend to route on the gnd plane layer. You should avoid from big slots on the gnd layer, it may couse some other emi problems.
  7. M

    Help me find a 3V character LCD

    Could you help to find a 3V character LCD? thanks
  8. M

    Looking for a very low leakage mosfet

    can anyone help me to find very low leakage mosfet ? Zero gate voltage drain current should be less than 100 na. thanks
  9. M

    PCB tool price comparision

    what is pcb tooling cost Hi to all Can anyone tell me the price levels for the following PCB tool? Of course i know that it varies with the options that you choose? But tell me a rough price level please 1-) Altium Designer 2-) Cadence Allegro 3-) Mentor PADS thanks
  10. M

    Advantages of Square Pin over Round for a PCB ?

    Generally square pins are used only on the first pin of the ic, it is just an indicator of the first pin. Square pins may sometimes cause clearance problems.
  11. M

    what is the best simulater for Analog design?

    Is HSPICE a visual tool or is it a command based tool?
  12. M

    sample Code for a t6963C LCD controller using PIC

    t6963c lcd Here I am sending and example design with MSP430, both schematic and code.
  13. M

    sd card connector library

    Hi I need sd card connector library for PCAD 2004. Could anyone help me ? thanks
  14. M

    Need C code of I2C bus for LPC2138

    yuri tiomkin I used the LPC2148 and 8 PCA9555 using this code. Everything nice except StopI2C function. It needs to change, on the hand sometimes it waits forever. void StopI2C(void){ I20CONSET = STO; I20CONCLR = SIC; while((I20CONSET&STO)) ;// wait for Stopped bus I2C }
  15. M

    Analog signal level shifting

    Hello to all I am digital eng. and need assistance for some analog problems Here is my problem I need to level shift an 0 to 5V incoming analog signal to 2.5V down. ie. 0V --> -2.5V, 2.5V --> 0V, 5V --> 2.5V I can not do it a capacitor because i need dc coupling.
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