Search results

  1. K

    Request: Microwave Engineering/Antenna Engineering Books

    Can anyone kindly upload books on microwave engineering and/or antenna engineering? Thank you all...
  2. K

    Attenuation

    Hi, I am very confused about this subject of attenuation. I have a circuit posted, and it is working at a center frequency of 25Mhz. And I need to calculate the attenuation at 2nd, 3rd, 4th and 5th harmonics of 25Mhz. From internet I found this formula: A(db) = -10 log(1+((w/wc)^2n)) where w is...
  3. K

    Siemens C55 USB cable driver needed

    Hello all, I need both the USB cable driver and the schematics of Siemens C55 phone. Thank you in advance.
  4. K

    What is the DC resistance of an inductor?

    Anybody know how to calculate the Dc resistance of an inductor? Any help is appreciated.
  5. K

    Switching Converters

    Does anyone have any idea about switching converters (DC to DC)? I didn't understand how the circuit I attached works? Any ideas, or resources about switching converters? switching_converter.pdf
  6. K

    PLC(Programmable Logic Controllers)

    Hello everybody, I will be doing a little research about PLC(programmable logic controllers) this summer, does anyone know any information about it? Or any books, sources? I especially don't know if PLC is %100 related with electronics? It seems more like a software engineers job to me. Any help...
  7. K

    need help urgently

    Hi everyone, I  need help in finding the unit-ramp response of first order circuits. Does anyone have any information about this subject???
  8. K

    nokia 6610i

    Hi, does anyone has the service manual of nokia 6610i mobile phone?
  9. K

    PSpice & Orcad

    Hello, I am new in designing circuits thorough software. I want to know what is the difference between PSpice and Orcad. Or are they related in some terms? Is there any reading material about these two. Thank you all.
  10. K

    nokia 3310

    does anyone know where I can get any schematic of the celluar phone nokia 3310???
Top