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Recent content by ahmed_hussein5

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    SOI- Backgate or Handling Wafer Tie

    Hi, I want to know what is the Voltage at which an SOI device's backgate (handling wafer under the BOX) is tied to Is it Vdd, or GND, or is it left floating? In other words what is the impact of biasing this substrate when it is isolated from the Devices' bodies by the BOX layer? Thanks in...
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    LDMOS device properties and applications

    Hi, I want to know more about LDMOS -How is it different from normal MOS? -What are the Advantages? -What are the disadvantages? -Compared to normal MOS, what are the Ron and Coff, and Ft? -In what applications is it used? -I hear it is being used much in base stations PAs, but in different...
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    CMFB and Biasing Issues

    Greetings, I have built a Folded Cascode OTA with NMOS diff pair and made its CMFB circuit, feeding back at the Lowest NMOS pair biasing voltage, the problem arising now is when I try to bias the NMOS pair above it using a current mirror to generate a reference bias. any Ideas on how to make...
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    Bandwidth and GBW relations

    Greetings, I've heard that there is some relation between open loop GBW and Closed loop BW, what is it exactly, and if possible I want a proof on it. thanks.
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    gm over Id MOS sizing method

    Greetings, I wanted to get some knowledge about the gm over Id MOS sizing method why is it used and is there a good explanation with an example about this method? Thanks
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    Buffer topologies inquiry

    Greetings, I wanted to know is there somehow a topology for a diff input diff output buffer that is analogous to the famous diff input single output buffer, from signal point of view this is not impossible, but if you just try to connect inputs of the OTA to its outputs (in analogy to the...

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