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    about low current LDO MPC1710 only 20na

    MCP1710 , not MPC MCP1710 Data Sheet - Microchip ww1.microchip.com/downloads/en/.../25158A.pdf‎翻譯這個網頁 provides high-current and low-output voltages, while maintaining an ultra-low 20 nA of quiescent current during device operation. In addition, the MCP1710 can.
  2. A

    [SOLVED] Model Library Files for Tanner EDA

    Sedit like cadence composer => need symbol , schematic library .. but many Fab only PDK .. some fab maybe have Laker UDD Tspice => just a spice tool , hspice , Tspice , dolphin smash , smartspice run spice model you need Fab provide process model file . Ledit => ledit can import GDS...
  3. A

    UMC 130nm Process doubt

    as I know , native nmos vt very low 0.5um normal VT=0.7 native nmos maybe 0.3v for 0.25um 0.18um maybe vt =0v for some mixer or amplifier need 0 VT but native mos is large area ..and someone siad have more noise couple ..
  4. A

    about low current LDO MPC1710 only 20na

    in standard cmos process . how to working in na current ? I ever try use mos current mirror when bias cureent less < 0.1ua some die have fail yield loss .. even simulation by hspice is ok , but real silicion have fail die how to design total 20na LDO ?? bandgap need current , OPA also...
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    spice model of depletion mode mosfet

    Re: depletion mode spice model GOOGLE Depletion Mode N-channel MOSFET .MODEL IXTT20N50D NMOS + LEVEL=3 + L=2.0000E-6 + W=5.5000 + KP=1.0446E-6 + RS=1.0000E-3 + RD=.22202 + VTO=-.89028 + RDS=20.000E6 + TOX=2.0000E-6 + CGSO=3.5684E-9 + CGDO=37.622E-12 + CBD=4.8729E-9 + MJ=1.5000 + PB=2.6055 +...
  6. A

    How to .ile skill file

    Hi : Which tools can de-compiler cadence use skill ile file to il code ?? thank you
  7. A

    is there cadence for window ?

    linux soft run fast than windows , Like hspice have Linux + win 32 .. windows OS performance about 70% linux in the same I7 3770K CPU ..
  8. A

    Power analysis using tanner tool

    goto china eetop forum , more ledit user and more ebook on site
  9. A

    REHL 4.5 can run on efi bios ??

    new CPU I7 + chipset also use efi bios , no legacy bios mode like asus motherboard .. and REHL 4.x or RHEL 5 can nor install on I7 .. how about eda tool in RHEL 6 ? IC610 , hspice , eldo also work fine on RHEL 6? or not thank you
  10. A

    who have benchmark hspice in Xeon VS K8

    find eetop have benchmark pll.sp .tran .tran 0.01u 從 2500u -> 25000us CPU clock OS sim-time ---------------------------- Intel Pentium4 3GHz RH8 1131s AMD opteron 2.8G RHEL4 676s AMD opteron252 2.6G RHEL4 727s Intel ex4400 2.4G centOS 4.5 508.2sec...
  11. A

    please help buck-boost with 4switchers inside design papers.

    TRY find out non-invert buck-boost Smooth Transition and Ripple Reduction in 4-Switch Non-Inverting A high efficiency, non-inverting, buck-boost DC-DC converter google can find some paper but non-invert buck boost have many patents when VIN close Vout and how reduce IL improve efficiency ..
  12. A

    s-edit schematic to l-edit layout

    Have anyone try sedit spice-in function ? Ledit 15.0 release new feature like spice_in maybe someday sedit can verilog-In ..
  13. A

    Recommend PDK for Tanner tools

    Re: pdk for tanner tools you can find MOSIS & chartered some ledit tdb file ftp://218.193.60.3/software/L-Edit/tech/ maybe someone also can provide other process tdb file
  14. A

    wich schematic tool is easy use on windows OS platform ??

    splan look like system level tool , like pspice orcad microsim .. microCap not like cadence composer ..
  15. A

    wich schematic tool is easy use on windows OS platform ??

    workview -> viewdraw -> dxdesigner I think it is good .. but cadence composer no windows base .. We can not read composer schematic on windows OS .. must be use vmware run linux OS ..
  16. A

    [SOLVED] Have any analog circuit synthesis tool ?

    antrism .. I ever hear about it but never try ..
  17. A

    [SOLVED] Inetl I7 CPu vs AMD cpu run spice

    Re: i7 processor vs amd amd k8 or X4 2.8Ghz = intel Core duo 2 2.6Ghz .. I7 is fast CPU than AMD by hspice simulation ..
  18. A

    [SOLVED] hspice how to measure temp in DC sweep

    try .meas dc vbgpp pp v(vbg) from=-40 to=150
  19. A

    Transconductance Amp how to driving large capacitive load

    Transconductance Amp how to driving large capacitive load ? I need gm function , input v2-v1 /(R) = I , constant Gm = Io/ (V2-v2) if my circuit need GM cell , I think 2 way , 1. use OPA and resistor connect V->I make 2. use OTA but as I know , OTA can not driver large capacitive...

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