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Recent content by royalkhan89

  1. R

    Circular patch, Array 8 by 1, 28Ghz

    Can you guide me what i did wrong in corporate feed. w50,w70 and w100 are 50,70 and 100 ohm Tx lines respectively. Its for 28GHz (wavelength=10.7mm). Separation between patches is lambda/2 (5.35mm). All 70 ohm lines are lambda/4 (2.675mm). substrate height is 0.7mm and Er=6
  2. R

    Circular patch, Array 8 by 1, 28Ghz

    Thank You. Let me complete my design. If the problem persist, I'll send the model.
  3. R

    Circular patch, Array 8 by 1, 28Ghz

    Hm.... so if i am using a 100 ohm insert the feed location will change accordingly! :) Thanx
  4. R

    Circular patch, Array 8 by 1, 28Ghz

    Hi, I have designed circular patch antenna (single element). I have to create an array of 8 by 1 (Linear array). But i am not sure how to create a corporate feed network for my antenna. Please Help. thank you - - - Updated - - - Moreover, Normally there is a 50 ohm feed to the Patch, but i...
  5. R

    View output on oscilloscope from HeadphoneOut/Lineout

    Hi, Do i need special connectors to view output on oscilloscope or i can just use the usual probes and connect them to headphone-out or line out of DSK (C6713)?
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    Need tutorial for VSWR meter

    Wow! man thank you. - - - Updated - - - Dear i was performing the Lab with slotted line in which i have to measure wavelength but i have lots of difficulties in that i.e. Observe and calculated frequencies are not same (minor difference can be neglected but difference was about 1 GHz ). Other...
  7. R

    Need tutorial for VSWR meter

    Ya I know, I have manual and even i don't have any idea but if we move the prob to 60dB it Usually say over range
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    Need tutorial for VSWR meter

    Thanks. I have Tesca Technologies VSWR meter that directly calculates VSWR (loss in dB as well). I am curious to find out about its Range(dB) knob. Do you have any idea why these knobs are there for? we usually set Range dB knob at 50dB position, but i do not have any idea why
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    Need tutorial for VSWR meter

    Hi I need to know about the about dB, Gain and fine Knobs of VSWR meter. How and When the are use. In Lab we set gain and fine knob at mid position and dB knob at 50 dB but i do not have any idea why. waiting for a positive response. Thank You.
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    Need Help for Research Proposal (Signal Processing)

    Any leads to topic? some website or any paper?
  11. R

    Need Help for Research Proposal (Signal Processing)

    Hi Guys I have successfully completed my graduation in telecom. Now I am looking forward for MS in telecom. I need to make a research proposal for that. Can you suggest me some useful topic/problem related to signal processing. I had my these on implementing OFDM on DSK C6713. Waiting for...
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    Global System for Mobile Communication (GSM)SM Data/Speech Rates

    Hi Guys I have a confusion about the data rates of GSM. I have read that.... "GMSK produces 270.833 K symbols/second The gross transmission rate of the time slot is 22.8 Kbps GSM is a digital system with an over-the-air bit rate of 270 kbps" & "Speech rate of 13kbps and data rate of 9.6kbps"...
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    Explanation of GSM control channels on multiframe

    Re: GSM Control Channels Hi Guys I have a confusion about the data rates of GSM. I have read that.... "GMSK produces 270.833 K symbols/second The gross transmission rate of the time slot is 22.8 Kbps GSM is a digital system with an over-the-air bit rate of 270 kbps" & "Speech rate of 13kbps...
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    What is different about GSM and GPRS RF testing?

    Re: About GPRS testing Hi Guys I have a confusion about the data rates of GSM. I have read that.... "GMSK produces 270.833 K symbols/second The gross transmission rate of the time slot is 22.8 Kbps GSM is a digital system with an over-the-air bit rate of 270 kbps" & "Speech rate of 13kbps and...

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