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Recent content by amr87

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    Slab waveguide excitation

    Thanks for replay It is indeed similar to the rectangular waveguide mode as confirmed by the field configuration. However, there is still the question. How to excite the 1-D slab waveguide modes?
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    Slab waveguide excitation

    Hi all, I am trying to simulate a simple case of 1D slab wave guide. The problem is that I could not figure out which excitation to use. I already tried a waveport with large dimension. However, I noticed that all the modes the program solved for were nearly the closed rectangular wave guide...
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    Direct upconversion mixer gain definition using spectre

    spectre mixer Hi We all know that the mixer is just a multiplier that can be modeled mathematically as V_out = m(t) * cos(wc*t) where: m(t) is the input modulating signal wc is the carrier frequency if we are upconverting from an IF-frequency then V_out = cos(w_IF*t) * cos(wc*t) =...
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    GFSK problem in link budget analysis

    link budget + snr You are right. But the I think we need something that quantify the effect of noise on the degradation of the modulation scheme. Of course, this problem will differ from modulation scheme to another (for example wide band Vs. narrow band). When we want to obtain the NF of any...
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    GFSK problem in link budget analysis

    link budget analysis I am doing a link budget analysis for a direct up-conversion bluetooth transmitter. Sine the bluetooth basic rate uses a GFSK modulation, the flicker noise is an issue. How can we adopt the noise figure definition to include such effect. After all, I just want to know how...
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    flicker noise in upconversion mixer

    flicker noise mixer I have the same problem here. I am designing a direct upconversion Mixer using the Gilber-cell scheme and the flicker noise is really an issue. I think that it is a must in active mixers and it depends on whether your modulation scheme is immune to such noise near the DC...
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    Bluetooth Transmitter Link budget

    link budget bluetooth I am doing a bluetooth Transmitter link budget analysis Can anyone give me a tutorial about it. All the tutorials I have seen is about the receiver link budget analysis. I know that they are nearly the same steps . However, since the requirements of the transmitter is...
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    lecture notes of the course request: Meyer,eecs 242

    Re: Request: Meyer,eecs 242 Thank you oermens for your concern. You included also the homeworks and the exams. You are very helpfull
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    lecture notes of the course request: Meyer,eecs 242

    Re: Request: Meyer,eecs 242 Thank you for your concern oermens I already have niknejad's slides but I want Meyer's because I found that many people refer to them.
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    lecture notes of the course request: Meyer,eecs 242

    r.g.meyer class notes ee242 Hi Can anyone upload the lecture notes of the course "EECS 242"-Advanced Integrated Circuits for Communication" taught by : R.G Meyer I searched the net for these slides. Is there anyone who possess them?? Thanks in advance
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