pll phase noise analysis using cadence virtuso
hi,can anybody tell me the procedure to simulate the phase noise of pll using cadence virtuoso tool ? i want to obtain the ssb power spectral density plot for each and every pll block and observe the sideband noise power in terms of decibels below ca...
Analog Circuit Design :: 05 Feb 2010 14:18 :: Himali :: Replies: 2 :: Views: 123
help needed in analysis of ecg signal using matlab
i have collected samples of ecg , 10 sec each. i converted them to one-d signal . now the ecg signal is present with me as ft=[a s d .......],,, oki want to remove1. 60hz frequency component2. base line drift.can any body who played with ecg signal ...
Digital Signal Processing :: 01 Feb 2010 12:26 :: vethantha :: Replies: 37 :: Views: 6604
40khz sine wave generator 12v powered
friends how can i make a circuit which can take input +12vdc and a loudspeaker connected to the output of the circuit,i should hear a constant tone(constant ac voltage),from the loudspeaker.i want the output to be sine wave not square, can u please s...
Analog Circuit Design :: 31 Jan 2010 9:43 :: aj_silverthunder :: Replies: 102 :: Views: 2172
microwave engineering
hi all,is microwave engineering by pozar, the best and the most basic book for a beginner? or should i refer to some other book you recommend?thanks...
Electronic Elementary Questions :: 17 Jan 2010 22:33 :: Brubonik :: Replies: 27 :: Views: 3642
a lot interview questions with resposes
hi all,here is a nice collection of interview questions with reponses:cmos interview questions.1/ what is latch up?latch-up pertains to a failure mechanism wherein a parasitic thyristor (such as a parasitic silicon controlled rectifier, or scr) is in...
EDA Jobs, Promotions, Advertising :: 10 Jan 2010 14:32 :: vinothvon :: Replies: 19 :: Views: 12410
encyclopedia of electronic circuits
which is the best book for getting sufficient knowledge of analog cckt design...
Analog Circuit Design :: 08 Jan 2010 6:39 :: shrikantbp :: Replies: 65 :: Views: 19468
help needed for basic opamp design
hi,i am starting to learn analog ic design with opamp design. i am trying out with a pmos input pair diffamp. the schematic and ac responses are attached with this mail.my target specs are :supply - 1.8 vgain - 60 dbsr - 5 v/usload cap - 1 pfgbw - 5 ...
Analog IC Design & Layout :: 05 Jan 2010 10:21 :: cheenu2002 :: Replies: 23 :: Views: 816
how can i use monte carlo in hspice for r(resistor)?
hihow can i use monte carlo in hspice for r(resistor)?...
Analog Circuit Design :: 28 Dec 2009 6:42 :: ankitgarg0312 :: Replies: 3 :: Views: 129
solution manual of random signals,by k. sam shanmugan
hi!can anyone help me for the solution manual of random signals: detection, estimation and data analysis, by k. sam shanmugan? please, it is very important for my term project.many thanks,...
Software Requests :: 05 Dec 2009 18:29 :: engineeryasin :: Replies: 0 :: Views: 216
grey, meyer analog ic design ebook
hi,i am looking for ebook:analysis and design of analog integrated circuits (4th edition)by paul r. gray, paul j. hurst, stephen h. lewis, robert g. meyer i appreciate any pointers as where i can get this,regards...
Analog Circuit Design :: 02 Dec 2009 17:27 :: kaisin :: Replies: 33 :: Views: 7641
question about hspice analysis accuration
hi all. i have a problem when use hspice for adc snr analysis.thats the ideal sin wave input isnt ideal, i do snr calculation for this ideal sin gen by hspice ,but only got snr < 60db(use .measure) ,while is over 140db gen by matlab. so must ha...
Analog Circuit Design :: 27 Nov 2009 4:14 :: ankitgarg0312 :: Replies: 3 :: Views: 300
convex optimization
here is a link to a very good book on convex optimization by stephen boyd and lieven vandenberghe. it is available in electronic format at:http://www.stanford.edu/~boyd/cvxbook.htmlcontentspreface xi1 introduction 11.1 mathematical optimization . . ....
Mathematics & Physics :: 21 Nov 2009 8:21 :: Farsun :: Replies: 5 :: Views: 1797
matrix analysis by r.horn and c.johnson
does anybody has solution manual?thanks a lot....
Mathematics & Physics :: 15 Nov 2009 8:34 :: freddy3 :: Replies: 0 :: Views: 291
signal integraty schematic
analysis. attached the the actual schematic as shown in fig 3.1 where as fig 3.2 and fig 3.3 are equivalent signal integrity schematics. all three figures are from the first example in the hyperlynx manual. can anybody explain how does the fig 3.1 t...
Professional Hardware and Electronics Design :: 14 Nov 2009 2:39 :: Rossano :: Replies: 3 :: Views: 255
maxsideband in pnoise analysis --> it doesn't be converge
to find maxsideband in pnoise, i sweeped the noise value with maxsideband.(it is described in manual of spectre.)but, it doesnt be convergence. it increases.and, maxsideband and number of harmonics are confused.i think that the maxsideband and numbe...
Analog IC Design & Layout :: 11 Nov 2009 2:45 :: mengcy :: Replies: 1 :: Views: 141
how does one do .measure in spectre ?
hi all,greetings!can anyone help with measuring propagation delay in spectre ?in hspice, one can do the following, for instance:.meas tplh trig par(v(2)-0.5*vdd) val=0 fall=1+ targ par(v(3)-0.5*vdd) val=0 rise=1how can we ma...
Analog IC Design & Layout :: 10 Nov 2009 8:11 :: mmic1978 :: Replies: 13 :: Views: 3402
help me on analog ciruit simulation- cadence virtuso
hello everyone can anyone say that why there is voltage across an ideal current source taken from analog library in cadence virtuoso placed in the circuit. while simulation....
Analog Circuit Design :: 05 Oct 2009 16:18 :: zopeon :: Replies: 5 :: Views: 653
timing analysis in cadence encounter
without bothering each other with old question synopsys is better or cadence, is it possible to start a simple project with cadence encounter from rtl and finish in gdsii without the need to switch to synopsys tools? in cadenec flow which tool is res...
ASIC Design Methodologies & Tools (Digital) :: 21 Sep 2009 11:17 :: kulyapinav :: Replies: 11 :: Views: 915
need solution manual....plz(antenna)
hi guys.i need solution manual of antenna theory (design and analysis) by balanis 3e.anyone have this.plz send me the link or email it to engineer_shahid@live.complz plz i need it..ll b thankful to you...
RF, Microwave, Antennas and Optics :: 18 Sep 2009 16:15 :: angelweishan :: Replies: 2 :: Views: 1161
microwave office lumped components in em
hiif i would like to make a wilkinson microstrip power divider, is it possible for mwo to somehow include the isolation resistor. either in the em-simulation orafterwards by incorporating the layout with the schematic.i have done this in ads and then...
Electromagnetic Design and Simulation :: 24 Aug 2009 22:52 :: kobasa :: Replies: 14 :: Views: 1564
pac and ac analysis - request for manual
spice so sorry for may be stupid question. i make sd adc so i am designing op amp for the untegrator. i made ac analysis with continuos cmfb of the amp. in reality amp will operate with sc cmfb. from manuals of spectre as i understood there is some p...
Analog IC Design & Layout :: 17 Aug 2009 22:23 :: coffeelox :: Replies: 1 :: Views: 212
question about prime time
hello everybody,i am beginning to use prime time, i run a script to genrate an sdf filemy basic understanding is that prime time parse a .db or a .lib file and exctract some delay information from it and put it within the sdf file ??so with this ( ma...
ASIC Design Methodologies & Tools (Digital) :: 31 Jul 2009 10:14 :: MohEllayali :: Replies: 3 :: Views: 402
rf microwave tools part 1 - part 64
9705-1.pdf diode model parameter extraction from manufacturers data sheets9708-1.pdf pin diode model parameter extraction from manufacturers data sheetsdbm.zip displays rf power and voltage realtionsnetwork.zip either an ac network anal...
RF, Microwave, Antennas and Optics :: 29 Jul 2009 6:14 :: sivanandyala :: Replies: 5 :: Views: 6305
best 3d em simulator
what is the best 3d em simulator?regards...
Electromagnetic Design and Simulation :: 11 Jul 2009 22:24 :: emcguy :: Replies: 55 :: Views: 10297
opening a data file using an ocean script
hi!im doing an ocean script of a two stage opamp with dimensions as variables,and an octave script to obtein those dimensions (using a design flow).the octave script prints its outputs(dimensions of each transistor and value of the miller capacitor) ...
Analog IC Design & Layout :: 30 Jun 2009 12:04 :: Goldeneagle :: Replies: 8 :: Views: 932
how to sim the mismatch of the res and cap?
dear all, could you please tell me how to get the mismatch of res or caps by simulation?i am designing a dac which is composed of res string and cap array, and i can calculate the mismatching of the element according to the formula in the foundry do...
Analog IC Design & Layout :: 25 Jun 2009 18:21 :: banvetor :: Replies: 4 :: Views: 322
new in digital communication n also want to learn matlab
hi i am an undergaduate student and i also want to learnthanks...
Digital communication :: 22 Jun 2009 6:10 :: amihomo :: Replies: 9 :: Views: 2304
ADS
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corner & monte carlo, cadence
is there any step by step guide to the corner and monte carlo analyses for the cadence design environment?...
Analog IC Design & Layout :: 19 Jun 2009 23:51 :: erikl :: Replies: 2 :: Views: 618
difference between saif and vcd file
can anybody please explain diff. between the saif and vcd.? how and when saif will b generated?...
ASIC Design Methodologies & Tools (Digital) :: 03 Jun 2009 7:36 :: syncom :: Replies: 7 :: Views: 1632
transistor level design in " cadence "
hi,i am trying to optimize an amplifier circuit using cadence.i need some way to calculate threshold voltage of a transistor and use it in the optimizer tool.eg. i have to define an output x , where x = vgs(m1) - vth(m1)can someone please tell me how...
Analog Circuit Design :: 19 May 2009 12:54 :: drabos :: Replies: 8 :: Views: 639
electromagnetic simulation
can someone help me to access ieee papers? i need kane s. yeenumerical solution of initial boundary value problems involvin maxwells equations in isotrpic media ieee trans. antennas and propagation vol.14,1966 pp 302-307...
Electromagnetic Design and Simulation :: 29 Apr 2009 18:40 :: Aya2002 :: Replies: 2 :: Views: 1158
help about my first vhdl code
hellosomebody can help me to translate this schematic to one vhdl code?i do not understand how connect the internal nodes.thanks !! http://img24.imageshack.us/img24/4512/tovhdl.jpg/***************************************************************/ /***...
PLD, SPLD, GAL, CPLD, FPGA Design :: 23 Apr 2009 10:07 :: FvM :: Replies: 4 :: Views: 549
[50 pts for help] spectrerf problem
hi members, im facing problems in simulating a pll phase noise using spectrerf. actually, im performing pss simulation i fill the spectrerf pss window but when i start the simulation i got a report of errors saying that v1 is inconsistant with autono...
Analog IC Design & Layout :: 31 Mar 2009 4:23 :: oermens :: Replies: 8 :: Views: 1059
switch mode - want to get time response from mosfets
hi, i am working on dc/dc converter and i want to plot caracteristics of a commercial mosfet of irf rectifier company.i get the model on the web site.i would like to plot the iout and vout with an square source at the input gate in order to assess sw...
RF, Microwave, Antennas and Optics :: 20 Mar 2009 19:55 :: FvM :: Replies: 7 :: Views: 378
relation between snr and eb/no
can anybody tell me the exact relationship between snr and eb/no?gurpreet...
Digital communication :: 20 Mar 2009 18:02 :: bingdao89 :: Replies: 34 :: Views: 16926
what is the parameters for calculating of ams cxq 0.8u
what is the parameters for calculating of ams cxq 0.8u such as vthn, vthp , kn, kp. lamda and so on. i use cadence simulation....
Analog Circuit Design :: 07 Mar 2009 4:47 :: kickeyes :: Replies: 6 :: Views: 306
dc-dc converter- averaging
usually to analyze a switched mode dc-dc converter we need to average the equations across the 2 states(on and off). now my doubt is why must we linearize it(by perturbation) after averaging?? does not averaging itself linearize the switched circuit,...
Analog Circuit Design :: 14 Jan 2009 17:33 :: incensus :: Replies: 12 :: Views: 1125
why is inductance not considered?
y is inductance not considered anywhere in digital design(layout,delay estimation,etc)?...
Analog IC Design & Layout :: 18 Nov 2008 1:19 :: rfsystem :: Replies: 3 :: Views: 321
ecl logic question
which is the difference between 100k ecl and 10kh ecl ?any interesting link to this topic ?thank you in advanecmarco...
Analog IC Design & Layout :: 17 Nov 2008 22:48 :: krashkealoha :: Replies: 5 :: Views: 642
fractal generation and ie3d(microstrip)
hello alljust joined in.nice to see such a huge collection of microwave experts here.i will keep my query short and ask for help of all here in this regard.consider a first iteration fractal design of a simple geometry to be used as a micro strip ant...
RF, Microwave, Antennas and Optics :: 12 Nov 2008 10:00 :: fractalguy :: Replies: 9 :: Views: 852
prime time
what is meant by prime time?...
ASIC Design Methodologies & Tools (Digital) :: 11 Nov 2008 8:47 :: naveen_zs :: Replies: 14 :: Views: 1521
adaptive signal processing
can anybody suggest good book on adaptive signal processing...
Digital Signal Processing :: 09 Nov 2008 10:04 :: farhad_kh :: Replies: 4 :: Views: 2160
sigma-delta pll
dear all : does any have experiment do sigma-delta pll ,does any one have the behavior model ,like matlab or verilog-a . or other document or scehamatic ? thanks...
Analog IC Design & Layout :: 05 Nov 2008 2:04 :: gaom9 :: Replies: 27 :: Views: 5088
wideband signal generation and analysis (tektronix)
class of oscilloscopes from tektronix, called digital phosphore oscilloscope (dpo).with bandwidthes from 4ghz and higher (up to 12 ghz).e.g. dpo/dsa70000 seriesi am wondering how it is realized. the manual says it is not the normal spectrum analyzer...
RF, Microwave, Antennas and Optics :: 31 Oct 2008 11:08 :: elektr0 :: Replies: 3 :: Views: 171
<cst mws> a periodic structure+plane wave problems
hello all,im simulating a periodic 2d planar structure. i am using a plane wave excitation to achieve the phase of the reflection coefficient.as youll see in the following pictures, i have used only one cell of the structure with periodic bundary con...
Electromagnetic Design and Simulation :: 19 Oct 2008 0:51 :: shahid78 :: Replies: 28 :: Views: 2618
problem with annotating switching activity !!!
hi,im trying to do gate level power analysis with synopsys power compiler. i do it exactly as stated in the power compilers user manual. after getting the backward saif file from gate-level simulation and compiling design with dc, i use the followin...
ASIC Design Methodologies & Tools (Digital) :: 28 Sep 2008 0:44 :: computerstudent :: Replies: 8 :: Views: 1407
solutions manual for analysis and design of analog ics
please someone help me find the solutions manual for analysis and design of analog integrated circuits, 4th edition...
ASIC Design Methodologies & Tools (Digital) :: 17 Sep 2008 8:08 :: zeonkhan :: Replies: 4 :: Views: 408
pa lna analysis
dear alli have designed the pa and lna and i need to measure its parameter such as ip3, p1db, pae (power added efficiency), gain, nf, acpr, adjacent channel rejection etc.so where can i find the details about the pa/lna parameter measurement techniqu...
RF, Microwave, Antennas and Optics :: 09 Sep 2008 14:24 :: vfone :: Replies: 5 :: Views: 246
s parameter simulation in cadence
hi,is there a tutorial out there that explains simple s-paramter simulation on cadence i.e. what kind of voltage source with port number and termination should be used, what analysis to run, how to plot s11,s12,s21,s22 etc? many thanks in advance....
Analog IC Design & Layout :: 19 Aug 2008 17:40 :: mkhafaji :: Replies: 2 :: Views: 1125
can cst mws define eps/mu a negative value?
can cst mws define eps/mu a negative value?why...
Electromagnetic Design and Simulation :: 18 Aug 2008 12:07 :: SAJ25 :: Replies: 13 :: Views: 1446
pole zero analysis
hi friends..can anyone please give me any literature for familiarizing with pole zero analysis..thanks a lot...
Analog Circuit Design :: 10 Aug 2008 18:09 :: Auster :: Replies: 5 :: Views: 360
solutions manual needed
hello everyonei am looking for the solutions to the problems of the book analysis and design of analog integrated circuits (gray, hurst, lewis, meyer). any help would appreciated.thanks in advance...
Analog Circuit Design :: 08 Aug 2008 16:10 :: saruman1983 :: Replies: 0 :: Views: 267
verification using system verilog
could somebody please tell me what is static timing analysis and whats the need for that.please upload some material on that....
ASIC Design Methodologies & Tools (Digital) :: 18 Jun 2008 10:20 :: hemal :: Replies: 52 :: Views: 6888
altium designer nb2dsk01
need your help for compelete schematic and other documentation of altium nb2dsk01 board, and its p03 memory card add-on board, it is urgent! thanks in advance.comment: the project files on altium designer 6.9 example folder is not compelete, many des...
PLD, SPLD, GAL, CPLD, FPGA Design :: 16 Jun 2008 23:00 :: House_Cat :: Replies: 11 :: Views: 585
virtouso manual
hey does ne1 hav cadence virtouso help manual regarding how to do various digi n analog analysis lyk delay, power,pdp,min n max vdd,noise ,rms value,capacitance,....................n al that. plzzzz its urgent!!...
ASIC Design Methodologies & Tools (Digital) :: 11 Jun 2008 12:51 :: nikhilindia85 :: Replies: 5 :: Views: 273
help me in noise analysis
hi,how flicker noise will occur in mos device, and why it is high at lower frequencies.please help me.bye...
Analog Circuit Design :: 22 May 2008 4:35 :: kDaniu :: Replies: 5 :: Views: 309
solving hold violation
hi all,can we solve hold violation in the design by inserting buffers.....?...
ASIC Design Methodologies & Tools (Digital) :: 13 May 2008 16:16 :: phoenix_pavan :: Replies: 2 :: Views: 201
how can i display the characteristics of microwave filter?
hiim studying rf filters.how can i display the characteristics(magnitude and phase vs frequency) ofrf filters? which tools should i use?please help me....
RF, Microwave, Antennas and Optics :: 05 May 2008 21:01 :: supersage :: Replies: 10 :: Views: 1068
beginner book for image processing
hey can u tell me which is the best book to go through for digital image processingfor eg. for shape/character recognition???ive got some basic knowledge in digital signal processing...
Digital Signal Processing :: 26 Apr 2008 12:39 :: nikhil_bhadani :: Replies: 18 :: Views: 1626
nf mixer simulation (ssb or dsb??)
dear all, i have some questions about the simulation result of the mixer. i hope anyone could clarify my problems. thanks in my receiver design, i have two down conversion mixer. mix1 is low if and mix2 is zero if. i am using spectrerf si...
RF, Microwave, Antennas and Optics :: 10 Apr 2008 8:46 :: pancho_hideboo :: Replies: 8 :: Views: 789
looking for some literature, please help, very urgent!!!
hello everybody!this is my first post on board, so if i did something wrong, please correct me (also language mistakes). i am looking for some things mentioned below:1) analog integrated circuit applications - m. jacob2) low-voltage low-power analog ...
Analog Circuit Design :: 07 Apr 2008 13:59 :: psyhokrzys :: Replies: 0 :: Views: 285
monte carlo analysis
hi, i want to perform monte carlo analysis on my designs using spectre tools.what is the step by step procedure for it.is there any need to get some design kits from foundry.thanksshaikh sarfraz...
Analog Circuit Design :: 05 Apr 2008 4:51 :: mahgoub :: Replies: 8 :: Views: 786
about noise analysis of vco
how to do the noise analysis of vco. and what are the tools needed?...
Analog Circuit Design :: 01 Apr 2008 14:28 :: Sadegh.j :: Replies: 13 :: Views: 474
warning of output pins stuck at gnd or vcc (cpld)
i often get annoying warning of output pins stuck at gnd or vcc. i know it means no harm, but is there any other coding method that i could get rid of them?...
PLD, SPLD, GAL, CPLD, FPGA Design :: 31 Mar 2008 0:13 :: j_andr :: Replies: 10 :: Views: 321
new to ic designing
hi, i want to learn ic desinging can anyone guide me or provide some e-books so that i can understand the basics.thanks...
Analog IC Design & Layout :: 29 Mar 2008 12:08 :: 277897909 :: Replies: 3 :: Views: 285
mixer hb noise simulation problem?
hi guys i am doing a noise simulation of mixer in hb simulator, it reports following warning and the report nfssb is zero which is obvious wrong, here is my noise simulation setting, i enable nonliear noise ,choose noise voltage/or noise figure, si...
RF, Microwave, Antennas and Optics :: 26 Mar 2008 8:19 :: khouly :: Replies: 2 :: Views: 282
calculator
hi, i want software calculator which looks like casio- fx991 ms, especially they must have functions kilo(k), mega(m), milli(m), micro(u). please give me link. thanx....
Software Requests :: 20 Mar 2008 3:58 :: Sahara :: Replies: 8 :: Views: 333
req: service manual for tektronix 3052 spectrum analyzer
i need service manual for tektronix 3052 spectrum analyzer. details: tektronix 3052 spectrum analyzer dc to 10mhz digital signal processing system/spectrum analyzer applications include communications, signal analysis, radar signal processing, satcom...
Service Manuals, Requests, Repair Tips :: 04 Mar 2008 11:07 :: qasmi :: Replies: 0 :: Views: 243
fx -- 991 ms casio(req)
hi,if u make a software of fx 991-ms of casio, i will give more than 50 points for u but it must be exactly same as to fx - 991ms. it must have following features.casio fx - 991ms original scientific calculator• two way power• 401 functions / dot mat...
Software Requests :: 20 Feb 2008 7:46 :: ravitest :: Replies: 0 :: Views: 126
setting cpw ports in ie3d
does any one know how to set up cpw ports in ie3d. so far i have a dielectric layer and a metal layer with a simple cpw line with finite grounds. but i dont know how to set the ports. has anyone done this.? i am using ie3d 10. thanks....
Electromagnetic Design and Simulation :: 16 Feb 2008 19:55 :: jian :: Replies: 11 :: Views: 1830
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