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  1. B

    How to find a paper on EDAboard now?

    long time ago, when you need some paper, u can post the title here, lots of people will help u to find them, then post here, but now ,when I need some ones, where can I get them? thanks!
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    Need help in designing a PLL from the beginning

    help me about PLL! right now, today, from now on , I am back to design IC again, The first work is to design a PLL, can someone ,or maybe everyone to give me some advice to how to do this chanllenging job, from the beginning to the end! thanks a lot!
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    matching network between the pre amplifier and the PA

    how to design the matching network between the pre amplifier and the PA in the system of GSM? thanks!
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    How to design a mixer layout to achieve better performance?

    how to design a mixer layout to achieve better performance!
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    I need help designing a quadrature up mixer

    the up mixer! who used to design a quadrature up mixer, help me !
  6. B

    How to reach the AGC of gain from 0~30dB ?

    RF gain! how to reach the AGC of gain from 0~30dB at the Frequency about 2G! thanks!
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    0 coefficient temp current

    how to design 0 coefficient temp current
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    how to design a Gm with good linearity!

    how to design a Gm with good linearity such as -60dB when the input differential signal is about 1vpp ??
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    how to understand the quasi-differential pairs

    how to understand the quasi-differential pairs which can improve the linearity?
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    help the up_conversion mixer

    when i design a quadrature up_conversion mixer the out wave of (outp-outm) is just like this who can tell me the reason?
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    how to realize a XOR gate?/ thanks

    high speed xor gate -optical -ieee how to realize a XOR gate?/ thanks
  12. B

    small gain!

    who used to design a small gain such as 0.3 or 0.1 with a differential opa and resistance / how to design it?
  13. B

    Looking for some documents about Spectre RF

    some one who can post the document about spectre RF , eg. the detail about the function in the calculator. ths!
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    Help me realize a buffer with these specs

    how to realize a buffer : 1) the dc voltage follower 2) the hign input resister and the low output resister 3) the ac gain is about 1
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    How to design differential opa which differential gain is lower than the gain of CMFB

    how to design a differential opa which differential gain is lower than the gain of cmfb?
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    How to get the current of minus and zero coefficients?

    how to get a current of minus coefficient and a current of zero coefficient!
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    how to do a simulation of Mont carol in spetre RF?

    how to do a simulation of Mont carol in spetre RF?
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    Question about using the resistance to obtain CMFB

    when i use the resistance to obtain a CMFB Why i see the vlotage of differernt side is the same but lower than the Vref , while the vlotage in the middle of the two resistance is the same as the Vref. why?
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    Need info about high pass circuits for realizing DC offset

    help me ! the details about the high pass circuits to realize dc offset . ths!
  20. B

    Can I use two switches to realize four states?

    two switch to realize a gain such as 0dB ,2dB,16dB,18dB THS

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