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Recent content by czn

  1. C

    About DC Offsets in Direct Conversion receiver

    dc offset in dcr How can I measure DC offset in DCR? If DC offset effect my RX,which one test item can know.(ex:IQ-inbalance??) Please help me,Thank you!
  2. C

    need books on intoduction of GSM

    You can see "An introduction to GSM" It doesn't have e-book so can't upload
  3. C

    Questions about VCO simulation using SpectreRF...

    in PSS simulation you can set "Beat frequency" near your OSC freq it will be able to quick finish simulating
  4. C

    On chip Spiral inductors and substrate dielectric constant

    The dielectric constant of the silicon substrate is about 11.9 the Q may be about 5~6 (simulate result<10)
  5. C

    IC5141 or IC5033 on RedHat Enterprise AS ???

    AS 3.0 is ok!! but AS 4.0 may have questions in spectreRF
  6. C

    VCO tuning range plotting

    1.set the parametric variable (control voltage ex:Vt) 2.sweep the Vt with "transient analysis" 3.plot "output"
  7. C

    Problem in connecting LEDs in series and parallel

    in general,the brightness of the LED is decide on manufacturer the brightness and the resistor value will have different form same manufacutrer When the resistor value are different,the current of the LED will are different in parallel,it will make the brightness are different.(because LED is...
  8. C

    Need help to run IC5141 on RedHat 8

    cadence ic5141 on redhat linux 5 your port 5280 already was used so you must restart the computer first or shunt down "lmgrd"
  9. C

    TMSC.18 model simulation error with the rf_ahdl.cml file

    TSMC.18 model simulation error!! use spectre model hpeesofsim (*) 2005A.400 Aug 5 2005 (built: 08/05/05 22:12:30) Copyright Agilent Technologies, 1989-2005. Compiling Verilog-A file '/home/018_2/tsmc18rf/../models/spectre/rf_ahdl.va' AGILENT-VACOMP (*) 2005A.400 Aug 5 2005 (built...
  10. C

    Hspice 2005 problem when running awaves.exe on Windows XP

    hspice2005 I have installed but no any problem~~ could you say your problem?
  11. C

    How to unlock library of IC5141

    help me!! How to unlock library of IC5141!!
  12. C

    Can IC5141 be installed on Redhat ES3?

    it can!! I have installed successful already!!
  13. C

    is cadence ic 5141 usr2 the latest release?

    That's ICOA 5251 not IC5251... so ic 5141 usr3 the latest release
  14. C

    Laker problems with license on Linux

    I use Virtual Pc in XP install linux and laker I setup environment ..... setenv PATH {$PATH}:/usr/laker/bin setenv LM_LICENSE_FILE usr/laker/license/laker.dat lmgrd -c usr/laker/license/laker.dat result....... license manager: can't initialize: For further information, refer to the...
  15. C

    Problems with IC5033 after upgrading RedHat 7.3 to 9.0

    Re: problems with IC5033 what's FC1???
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