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Recent content by Alexittp

  1. A

    How to choose Driver and Power amp in RF Transmitter part.

    Hi, Currently I am analyzing Tx part and given one Driver amp. and one two stage or three stage Power amp. Can some one help to understand what is the difference to using of two stage or three stage PA except gain if it is possible to get power with 2 stage. And for example given OP1dB =33...
  2. A

    Thrid order in ADS simulation

    How to see gm and gm''(transconductance) first and third order in ADS. I need to draw graph in ADS how gm'' changes by changing biasing.
  3. A

    OpAmp CMRR and PSRR

    It can be CMRR and PSRR minus result? ex: in simulation I got, CMRR= -100dB PSRR=-95dB plz some one can answer quickly
  4. A

    Active wide band mixer without a buffer

    My MIXER is Active Mixer and buffer is on IF line not LO... input is RF and LO, output is IF input RF signal 0.7~3GHz output IF signal 1~50MHz
  5. A

    Active wide band mixer without a buffer

    Re: Active MIXER measure I simulate mixer without buffer NF is 3.6dB@1~50MHz and when I add buffer NF is 4.5dB. possimulation without buffer shows expected result but when i add buffer noise increases 9dB@1~8MHz and 5dB NF @ 10~50MHz.
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    Active wide band mixer without a buffer

    Hi, I am designing active wide band mixer. problem is buffer degraded performance possimulation without buffer is quit good result but when adding buffer doesn't gives that result, which was without buffer is there some way to measure without using buffer? can some one help? thank you in...
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    WB LNA how to get flat gain?

    Hi, I am designing wide band lna and freq range is 0.7~2.7GHz am using noise cancelling technique, but gain is not flat. and linearity is poor in 0.7GHz than 2.7GHz. Is there possible to use shunt peaking inductor to get flat gain and how to improve linearity (I'm using CADENC for simulation)
  8. A

    Wide Bnad LNA - freq range is 0.7~2.7GHz

    Wide Bnad LNA Hi, I am designing wide band lna and freq range is 0.7~2.7GHz am using noise cancelling technique, but gain is not flat. and linearity is poor in 0.7GHz than 2.7GHz. Is there possible to use shunt peaking inductor to get flat gain and how to improve linearity (I'm using CADENC...
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