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Recent content by copoler

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    how to install ic5141usr5 under rhel5.4(64bit)

    Have anyone installed 32bit ic5141/610 or mmsim under 64bit linux? I tryed ubuntu9.10_a64, there is no response after I input "./setup.sh". I don't know if there is any improvement using rhel5. Thank you very much.
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    How to choose the GBW of audio amplifier

    g bw audio Hi all, I'm puzzled about how to choose the GBW of the pre-amplifier of audio amp, whose close loop gain is 1. By hand calculation, to keep close loop frequency response identical between 20Hz~20KHz, I think 600K GBW is enough, but the products of TI/NS have GBW more then 2MHz...
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    Class d audio amplifier, another schematic

    very good
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    help:Multiple ModelLib corner simulation in cadence ic 5.0

    Hi everyone, I have a problem to simulate with multi modellib.The situation is the I have to do the sim at 3 cases: "best" "typical" "worst". For example, typical case is: TSMC18rfms.lib section=tt; TSMC18rfms.lib section=res_tt; Vdd=3.3 Here the TSMC18rfms.lib need to be include twice, I...
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    Cadence Tools - Which Linux do you advise???

    It's depended on which version of EDA tools you want to install. I have installed IC5.0 under redhat8.0 and IC5141 under Fedora Core3.0.All succeeded. And redhat9.0 is not recommanded.
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    Common Mode feedback under Corner Analysis

    Generally,CMFB contains a OPAMP，I guess that your OPAMP'gain is not high enough,perhaps it's less than 10 now. As I mentioned above,I suggest that you should do a ac analysis on the CMFB part,make sure the gain is high and stable in spite of corners.
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    Common Mode feedback under Corner Analysis

    I suggest that the CMFB circuit should be simulated under corner analysis first,make sure that the gain of this part is not sensitive of corners and no mosfets get into triode region under any corner.
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    NS-VCS error: n17 can not be located

    I'm using Nanosimgui to verify mixed-signal circuits,I do everything follow the manuals,but nanosimgui keep saying that "n18 can not be located", n18 is one of the models in spice lib,but the .lib&.mdl files had been compiled as the Log said. Besides,I can simulated analog circuits successfully...
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    negative feedback question.

    there is a 2output opamp,what resistor net should i use to get gain=3?Thank u!
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    How to use Verilog to describe a Vsource in IC5.0?

    Re: use verilog in IC5.0 The situation is that there is LDV installed,but what should i do to use it in IC? And if i create a cell view of verilog code,which 'view name' and 'tool' should be chosen?Thank u!
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    How to use Verilog to describe a Vsource in IC5.0?

    Re: use verilog in IC5.0 I don't know what envirment i should use,if it's analog artist,how can i add a instance described by verilog?
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    How to use Verilog to describe a Vsource in IC5.0?

    how can I use verilog to discribe a Vsource in IC5.0? Thank u!
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    How can i get access to a SUN workstation under Fedora Core3

    I can do it under windows with Xmanager.Thank u! when i use "X :1.0 -query <ip>",there are only a black monitor waiting for me.
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    Looking for ieee1596.3 standard

    ieee standard help. Anyone could send ieee1596.3 standard to copoler@gmail.com,Thank you very much!
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    What do the M4, M5, M6 do in this circuit?

    Votage reference help What's the M4, M5, M6 doing in the circuit? Thank you!
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