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Recent content by Kz9

  1. K

    looking for GPS Module with Waypoint

    Hello, Me and other people of engineers are designing autonomous robot that should be able to navigate through gps waypoints. I'm looking for GPS module that is able to store waypoint data. Can you please suggest a good module? I'm looking into sparkfun.com Thanks
  2. K

    Looking for a good DSP book.

    Thanks guys. I give it a try. Also can someone please comment on Mitra's book.
  3. K

    Looking for a good DSP book.

    Hi, I'm an undergraduate student studying electrical engineering. Right now am taking a DSP course and the college is providing us with "Digital Signal Processing: A computer-based approach" by Sanjit Mitra. I'm not sure if this book is good or not. if it is not good, can you please tell me a...
  4. K

    RF Oscillator, need help.

    Thanks, for the clarifications. I've the changed the values according to fg, now it is working :) Kz9 Added after 2 hours 9 minutes: On thing else, I connected a germanium diode AA112 at collector and measured the voltage, I am getting 12v from 5v supply, but when I connect the diode in the...
  5. K

    RF Oscillator, need help.

    If I connected an LED to the output, would it light up? or it will damp the oscillations? or is there a better way to know that it is oscillating?. I don't have an oscilloscope to observe the oscillations. Kz9
  6. K

    RF Oscillator, need help.

    Hello everyone, I am trying to desgin RF oscillator. I have 3904 transistors & 6.8uH inductors & lots of resistors & 100nF capacitors. I tried to desgin it on Multism , it worked, I get sine wave oscillations. however, when i try to do the real thing, it doesn't oscillate. i'll attach sketch...
  7. K

    crystal quartz and NAND gates.

    It worked, thanks man :) If am not asking too much, can you please explain how does it work and why is it different from the pierce desgin, the one with inverter. one thing also, I used 1.1k Ohm resistors instead of the 470's. cause I didn't have any. thanks again. :)
  8. K

    crystal quartz and NAND gates.

    Hello, I have a crystal quartz 3.57945 MHZ and a HD74LS00P Quadruple NAND gates, with 2 70pF variable capacitors & bunch of resistors. I want to desgin a sqaure wave oscillator using these components, but I don't know how, I've tried the pierce oscillator desgin...but I can't get it to work...
  9. K

    few questions about USB device

    thanks for the replies ;)
  10. K

    few questions about USB device

    thanks, srizbf. can you please recommend a microcontroller that has the usb feature. Kz9
  11. K

    few questions about USB device

    Hello everyone, I want to desgin a device that communicates with the computer via the USB port. more like a "hello world" project. I know I need a microcontroller; but is it any microcontroller that just need some code written to it, or it must has a USB interface? And about the D+ and D-...
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