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glcd interfacing by pic16f876a source codes badly required !
hi guys,im new with glcds, but had good experience with 16x2 lcd. im using pic16f876a and have connected data bus of glcd to portb, 0-7 and control bits of glcd to portc, 0-5, glcd contrast adjustment is also set properly. can someone help me with as...
Microcontrollers :: 22 Nov 2009 7:07 :: Manonsilvermount :: Replies: 5 :: Views: 168
verilog a simulator
can anyone tell me if any free verilog-a simulator for windows xp is available ?? ...
ASIC Design Methodologies & Tools (Digital) :: 22 Nov 2009 3:20 :: ljxpjpjljx :: Replies: 2 :: Views: 108
burglar alarm
friends: pic controlled intruder alarm, published in the epe magazine in april 2002, everything is properly installed in accordance with what the magazine describes, however, when i turn on the circuit, only the upper line of the lcd is completely fi...
Microcontrollers :: 21 Nov 2009 13:30 :: seti75 :: Replies: 87 :: Views: 5745
pcb design software
hello guys,im looking for a good pcb design tool. it is going to be used for hobby projects so it needs to be low cost or preferably free.im looking for something that can optimize the layout of the components on the board, basically id like to selec...
Software Requests :: 21 Nov 2009 13:25 :: shamikrudra :: Replies: 11 :: Views: 1511
about spectre simulation warnings warning(cmi-2114)
when doing spectre simulation(ic5141, mmsim 7.1 version), there exist the following warnings and notice:1\warning(cmi-2114):define q:unit of quantity q is changed from coul to c2\warning(cmi-2114):define freq:unit of quantity f is changed from n to h...
Analog Circuit Design :: 20 Nov 2009 16:45 :: lhlbluesky :: Replies: 3 :: Views: 114
latest rf tutorial uploaded
hi all,its been a while but ive managed to upload another tutorial to www.rfic.co.ukthis one is satellite communications and is under the systems & devices section...differential lna almost finished - just need to add some equations for linearity.bye...
RF, Microwave, Antennas and Optics :: 19 Nov 2009 16:08 :: echostar :: Replies: 80 :: Views: 52315
function in code composer studio simulator to load pic,imag
hellow,im new in developing, especially in ccs that support dsp,and i need a some kind of function to load a picture or an image in thesimulator to check my image proccessing for latest project....
Digital Signal Processing :: 19 Nov 2009 9:22 :: nithin.jajoor :: Replies: 1 :: Views: 240
the procedure of the simulation of the harmonic distortion
dear all, thank you for reading this topic. i just design an ota and i will conect it to a capacitor to build a lowpass filter. then i will put a 100mv sine signal at the input and want to see the harmonic distortion at the output. does anyone show m...
Analog IC Design & Layout :: 19 Nov 2009 6:41 :: present :: Replies: 9 :: Views: 384
[hspice] from schematic to netlist
hello all,i have used hspice for a few weeks (mostly cmos analog design), but edit netlist by notepad is not convenient (when number of mosfets more than 20).i wish you recommend a easy schematic editor by which the schematic can be transformed to hs...
Analog IC Design & Layout :: 19 Nov 2009 3:03 :: pakis :: Replies: 53 :: Views: 5616
deleted from topic number 371006 mod c-man
thank you very much.......
Trashcan :: 18 Nov 2009 10:23 :: niravbhatt :: Replies: 0 :: Views: 3
proteus simulation of lpc2000 with keil
hello,i tried to use proteus to simulate the blinky example included in keil, it is assumed that pins p1.16 to p1.23 blink, but nothing happens. it works well in keil simulator. what is the problem with proteus ?i found this thread:http://www.edaboar...
Microcontrollers :: 18 Nov 2009 8:24 :: osama_ :: Replies: 0 :: Views: 60
cable characteristic, pre-emphasis and post equalizer
dear alli need your help regarding on cable characteristic. does anyone implement pre-emphasis and post equalizer in usb (or other serdes gigabit ethernet or 1394b) transmitter and receiver respectively? if yes, whats the cable characteristic of shor...
Analog Circuit Design :: 18 Nov 2009 3:16 :: hung_wai_ming@hotmail.com :: Replies: 4 :: Views: 432
edge (fringing) capacitance in sonnet and momentum
lues i got from maxwell 2d (only simulated the cross-section), sonnet, and momentum are different from each other, and maxwell 2ds result matches the experimental value very well. i wonder if 2.5d em simulators like sonnet and momentum can calculate ...
Electromagnetic Design and Simulation :: 17 Nov 2009 20:33 :: alexneverhurts :: Replies: 8 :: Views: 324
proteus model
hi friends, i need some help. do you know where i can find simulator models for 12bit or 10bit ad converters for proteus 7? i have only 8bit models.thanx for help....
Microcontrollers :: 17 Nov 2009 18:21 :: paul_source :: Replies: 0 :: Views: 63
analog circuit design tool
hi marie,it is tough to get in any of these software until u have access through educational institutes or huge co-orporations.if you are seeking to learn this on your own, well u can get there manuals but not the softwarethats true marie, and some t...
Software Downloads/Uploads :: 17 Nov 2009 9:15 :: koosdoos :: Replies: 33 :: Views: 14306
deleted from topic number 371006 mod c-man
thanks...
Trashcan :: 17 Nov 2009 6:23 :: rongo024 :: Replies: 0 :: Views: 6
free verilog simulator (real design tool, not open source)
synapticad is giving away a free, “no strings attached” 6 month licenses for verilogger extreme, a high-performance compiled-code verilog simulator.the press release is at:http://www.syncad.com/pr_verilogger_extreme_free_2009.htm...
ASIC Design Methodologies & Tools (Digital) :: 17 Nov 2009 5:59 :: ljxpjpjljx :: Replies: 1 :: Views: 147
how to simulate fully differential ota with sc cmfb
lly differentila ota having sc cmfb circuit. i know the procedure of doing pss analysis first and then pac.. but i dont have spectre rf licence, so can any one explain how to simulate it using spctre simulator..... what i did was transient analys...
Analog Circuit Design :: 17 Nov 2009 5:39 :: newtoanalogdesign :: Replies: 3 :: Views: 90
sae j1939 signal simulator
now the long waiting six editions of au sae-j1939 simulator are well tested and released.these six editions of au sae-j1939 simulator are listed here: engine basic edition (h) engine premium edition (li) vehicle platinum edition (na) engi...
Microcontrollers :: 17 Nov 2009 2:49 :: funnynypd :: Replies: 15 :: Views: 2670
floating point adder : need help for solving error
hi all,im trying to design a floating point adder using advantage pro and i simulating it using modelsimthis my codelibrary ieee;use ieee.std_logic_1164.all;use ieee.std_logic_arith.all;entity fp_adder is-- declarationsport(a,b: in std_logic...
PLD, SPLD, GAL, CPLD, FPGA Design :: 16 Nov 2009 19:22 :: FvM :: Replies: 8 :: Views: 186
rtd circuit in open state
hi friends, im measuring temperature with a rtd sensor. the circuit is working fine ( i have attached the circuit). but in case if there is no sensor present the output voltage becomes -10.47 volts, instead of this i need +5volt or above to detect t...
Analog Circuit Design :: 16 Nov 2009 18:18 :: garg29 :: Replies: 5 :: Views: 306
mobile communication project on matlab
hi every1 ive just finished cdma project on fpga boards the design is from a-to-z digital even the summation process if any1 interested i can give a hand...,...
Digital communication :: 16 Nov 2009 17:53 :: rahul bakshi :: Replies: 68 :: Views: 8863
new born biopuppy linux for bioinformatics
hello all,i gladly inform you that, our first beta version of biopuppy linux is out now. my motivation in this project is, want to get some contributions from bioinfo people.i came to know that, almost they are downloadbiopuppy main page and download...
Linux Software :: 16 Nov 2009 13:58 :: asprakash :: Replies: 5 :: Views: 588
wimax power amplifier stability
hi,im looking for some help in designing power amplifier for wimax. precisely my question is about stability. because i have to use nitronex transistor npt3015 i was utilizing following datasheet http://www.nitronex.com/pdfs/npt35015.pdf . when i pe...
RF, Microwave, Antennas and Optics :: 15 Nov 2009 19:14 :: biff44 :: Replies: 6 :: Views: 141
help in feko lite with the mesh size
hi, its my fist time in this forum..im working in a simulation of a cylindrical dielectric simulator antenna.the problem appears when i try to create the mesh, the program doesnt allow me to do it because the number of mesh triangles (33682) are not...
Electromagnetic Design and Simulation :: 15 Nov 2009 17:37 :: Xavipersonal :: Replies: 4 :: Views: 93
antenna design
hie. can somebody please help. for my final year project i am designing a steering beam antenna for 2.4ghz. i need varactor diodes each with capacitance ranging from 0.07pf to 39pf. cant identify any in the market....
RF, Microwave, Antennas and Optics :: 15 Nov 2009 7:39 :: akedar :: Replies: 2 :: Views: 156
pic16f84 bank 0 bank 1 and control manipulation
hi i am trying to learn pic programming.please could i get some help.i read that:1) pic16f84 bank 1 is used for control.2) pic16f84 bank 0 is used for manipulation.how can i tell if an instruction (for example movlw) is a control or manipulation?than...
Microcontrollers :: 14 Nov 2009 15:04 :: wp100 :: Replies: 10 :: Views: 204
max-plc simulator needed please help
hi every bodyi nedd the max-plc simulatorthanks...
Software Requests :: 14 Nov 2009 14:40 :: mohannad100 :: Replies: 0 :: Views: 54
two stage op amp design - request for resources
hi,any free good sources online to design a two stage op amp?...
Analog Circuit Design :: 14 Nov 2009 5:35 :: g.s.javed :: Replies: 4 :: Views: 144
pic18f4550 pwm with a pc fan
i was trying to make a speed controller for a pc fan, and encountered a rather odd problem. ive calculated and set up the pwm module the way the datasheet describes it: 4mhz crystal, pll-ed and postscaled to 48mhz for the cpu, pr2 set to 0xff (giving...
Microcontrollers :: 13 Nov 2009 18:48 :: jumper2high :: Replies: 6 :: Views: 195
ultrasonic distance meter - help needed
i have two ultrasonic(tx/rx) modules and i want to construct a distance meter using pic18f4520 i need circult as well as pcb layout + program anyone can help me...thanks..............
Microcontrollers :: 13 Nov 2009 5:56 :: garg29 :: Replies: 10 :: Views: 366
dolphin smash help!!
i am trying to do a transient analysis in dolphin smash simulator.the spice code works in hspice but when i run it in dolphin,it gives the error message as followserror: maximum number of consecutive skipped timepoints reached (aborting simulation)--...
Electronic Elementary Questions :: 12 Nov 2009 19:17 :: aishrastogi :: Replies: 5 :: Views: 297
ldo ac simulation brain-teaser
hi,im designing an ldo, 5v in, 3.3 out (cant do linear reg because no headroom). i was trying to compensate it and after a few unfruitful trials, i comped it by bypassing the entire buffer stage and the output stage of the error amp. now i get a beau...
Analog Circuit Design :: 12 Nov 2009 18:22 :: PSG :: Replies: 10 :: Views: 231
study rtos
i want to study rtos, where is begin?...
Embedded Systems and Real-Time OS :: 12 Nov 2009 15:29 :: ariyan :: Replies: 29 :: Views: 4662
matlab simulation for mimo-ofdm and wimax
hello...i am doing some research in ofdm and other wireless technologiesdoes anyone have any simulation in matlab for mimo-ofdm and some good paper/matlab code on wimaxthanx in advance...topic moved here by fragrance...
Digital communication :: 12 Nov 2009 6:42 :: shree4u :: Replies: 40 :: Views: 20606
what is the error percentage between quasi static and full ?
what is the error percentage between quasi static and full wave simulator...
Electromagnetic Design and Simulation :: 12 Nov 2009 1:36 :: katko :: Replies: 3 :: Views: 72
ADS
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miller ota design (dc operation) using gm/id approach
hi!i want to design the classic cmos omp amplifier with two stages (n - channel differential pair for 1st stage and p - channel the common source stage) using thegm/ids methodology. i want someone to tell me if the following design steps are correct...
Analog IC Design & Layout :: 11 Nov 2009 23:19 :: dtzounakos :: Replies: 0 :: Views: 90
a question about a simple current mirror
http://images.elektroda.net/27_1257754517.jpgthis circuit can support any current level.if i simulate the circuit, resulting iref current equals 265.8u can you tell me what happens in the circuit and how this current is being formed?http://images.ele...
Analog Circuit Design :: 11 Nov 2009 20:07 :: frankliner :: Replies: 10 :: Views: 264
is it possible to simulate mac layer of wimax in matlab?
hi,i am relatively new to matlab and i was woundering if it is possible to simulate the mac layer with qos of wimax 802.16d or e? any comments on this metter will be appreciated.thank you!regards!...
Digital communication :: 11 Nov 2009 17:43 :: vini_rathi :: Replies: 16 :: Views: 2011
reg:signal integraty analysis
dear all,i am new to signal integraty analysis. i know about the importance of signal integraty analysis. what are all the analysis to be done for high speed signals in signal integraty tool. we have cadance si tool. is there any procedure or methods...
Professional Hardware and Electronics Design :: 11 Nov 2009 15:15 :: Rossano :: Replies: 5 :: Views: 528
trouble with veriloga in spectre 6.x simulator
hi all!i have a problem with verilog-a modeling in spectre 6.x.i use bsim3 model implemented in verilog-a by geoffrey coram (the file was available at silvaco and then - at simucad site some time ago). see attached file. i have successfully used it w...
Analog Circuit Design :: 11 Nov 2009 12:39 :: McSim :: Replies: 2 :: Views: 120
nanosim -- hspice netlist and verilog netlist simulation
hi all,recently, i faced a probelm when using nanosim.first, i have a spice top-netlist.in this netlist, i will define all the analog blocks. and also call some digital blocks.and those digital blocks were define in another verilog netlist.how should...
Analog IC Design & Layout :: 11 Nov 2009 9:38 :: nima1357 :: Replies: 3 :: Views: 126
micro-coaxial cable effect in antenna design?
hi all,i am currently studying compact antenna designs for small hand-held devices. one of my initial thoughts was to grow my antenna pattern onto a piece of fr4 board and fed it with a piece of 50ohm micro-coaxial cable, which was then connected to ...
RF, Microwave, Antennas and Optics :: 11 Nov 2009 4:36 :: niholan :: Replies: 5 :: Views: 264
deleted from topic number 370400 mod flatulent
hi,im designing an horn planar antenna with hfss! but i cant use my solution setup (16ghz) because simulator said: an extremely large mesh will be required to produce an accurate solution (see the document loaded).with antenna dimensions (24*60*12)mm...
Trashcan :: 10 Nov 2009 15:36 :: mitch81 :: Replies: 0 :: Views: 30
how to change mesh in hfss
hi,im designing an horn planar antenna with hfss! but i cant use my solution setup (16ghz) because simulator said: an extremely large mesh will be required to produce an accurate solution (see the document loaded). with antenna dimensions (24*60*12)m...
Electromagnetic Design and Simulation :: 10 Nov 2009 15:34 :: mitch81 :: Replies: 0 :: Views: 63
usb based xds510
i needed an emulator xds510 and they are so pricy .so im in the process of designing one but i will go with usb so i can power the chips too.. here is the first schematic .i will update it later !i intent to use the parallel port drivers of the origi...
Digital Signal Processing :: 10 Nov 2009 10:21 :: just4u78 :: Replies: 80 :: Views: 21104
pss and noise analysis in spectres
hi,has anyone used spectres simulator in virtuoso to simulate pss and pnoise of a circuit? i am trying to simulate a chopper amplifier. if i set the parameters and run it it will run but there is no output for the pnoise analysis. all the posts i hav...
Analog Circuit Design :: 09 Nov 2009 16:35 :: mohsenm :: Replies: 0 :: Views: 57
return loss of different simulator in same graph
hello to all i want to see the return loss of hfss and cst in the same graph for comparison.so is there any way to do so............ advance thanks for help......... desperately waiting for some1 reply..... plss help me out...
Electromagnetic Design and Simulation :: 09 Nov 2009 15:26 :: shahid78 :: Replies: 3 :: Views: 114
2.4ghz or 5.2ghz ifa (inverted "f" antenna),who ha
i am doing some simulations with ansoft hfss on ifa.the 2.4ghz dimension fits good both on simulation and measurment with the reference dimension.i want to simulate the 5.2ghz ifa, but i have no reference to compare.does anyone have the design dimesi...
RF, Microwave, Antennas and Optics :: 09 Nov 2009 13:25 :: ahsaan :: Replies: 83 :: Views: 12149
simulating a netlist in ads from the command line?
hello friends,thanks for read this.- i want to do optimizations in a circuit from a matlab environment (for example).- i want to use the harmonic balance analysis in the ads simulator.but...- i dont know how generate a ads netlist.- i dont know how r...
RF, Microwave, Antennas and Optics :: 07 Nov 2009 16:11 :: pancho_hideboo :: Replies: 1 :: Views: 66
about mim capacitor problem
i use tower 0.18um 4lm technology for my circuit design,has anyone used this technology ever before? here, i have a question: for mim capacitor (cmim_hc), its positive polarity uses top_m(the highest level metal) , m3, m2, and negetive polarity uses ...
Analog Circuit Design :: 07 Nov 2009 9:08 :: timof :: Replies: 5 :: Views: 195
help with wimax scheduling algorithms.
i am doing a study on scheduling algorithms( mainly round robin, maxsnr and proportional fairness). all i want is to analyse each on matlab through graphs e.g sum capacity vs no of users. will any one help me with a simple matlab code on how to show ...
Digital communication :: 06 Nov 2009 15:03 :: chakabiri :: Replies: 3 :: Views: 558
import/ export of antenna b/w different simulator
hi to all i want to see my hfss file in autocad or in cst or from cst to others. how can i do that..... plsss help me out its urgent.......
Electromagnetic Design and Simulation :: 06 Nov 2009 12:04 :: kspalla :: Replies: 1 :: Views: 96
harmonic balance simulation in ads
how do i do harmonic balance (hb) simulation in ads for dros employing parallel feedback?i tried puting the osctest block in the feedback loop as suggested by the documentation but i cant get any results.ill be good if someone can provide an example ...
RF, Microwave, Antennas and Optics :: 06 Nov 2009 7:54 :: yunfong21 :: Replies: 29 :: Views: 2067
accuracy of ltspice simulator ?
hello everybodyin the lab i am working , they use lt spice as simulator , so i was wondering if this simulator is accurate enough so if somebody experienced this software it would be nice if he share his impressions about itthanks in advance...
Analog Circuit Design :: 06 Nov 2009 1:34 :: haker_fox :: Replies: 5 :: Views: 162
help needed in yagi antenna
how to model yagi antenna in spice. i want to use yagi antenna in a circuit simulator...
RF, Microwave, Antennas and Optics :: 05 Nov 2009 21:31 :: vfone :: Replies: 1 :: Views: 96
trouble understanding .noisetran simulation results in eldo
hi folks,problem statement:circuit: 1.5v dc ideal voltage source connected to a 1pf capacitor through a cmos (transmission gate) switch.switching frequency 100ns.transient sim run for 50 clock cycles and the average of the hold state noise voltage ta...
Analog Circuit Design :: 05 Nov 2009 16:30 :: mowgly :: Replies: 0 :: Views: 69
what other software tools can sombody use except cadence?
as far as i know, we can use labview and spice for schematics. are there any other program tool used? labview is only for schematics or both schematic analysis and layout?what is your opinion about magic? this one, is it only about layouts? which is...
Analog Circuit Design :: 05 Nov 2009 16:12 :: dick_freebird :: Replies: 2 :: Views: 147
ecg monitoring system based on wireless sensor networks.
mtech final yr project on the topic of ecg monitoring system based on wireless sensor networks.i va attached my block diagram here... kindly give an idea about simulation of this projects. in which simulator i can do my simulator ... tell me , wha...
Hobby Circuits and Small Projects Problems :: 05 Nov 2009 11:48 :: mohanag :: Replies: 1 :: Views: 120
pic16f84a interrupt problem
hi,i am trying to make an adjustable timer with 3 7-segment led display. the 7 segment works and the switches work but i cannot get tmr0 to cause an interrupt in the program. if i run a dead end loop after the start initialisation bypassing the rest ...
Microcontrollers :: 04 Nov 2009 19:02 :: Monchichack :: Replies: 2 :: Views: 162
why star in wban?
hii am doing my project on network optimization of wban. i have found that all researchers have assumed star topology for the network. i couldnt understand why star is used even though it has the biggest disadvantage of single point failure? what can...
Network :: 04 Nov 2009 16:57 :: Hectoryx :: Replies: 6 :: Views: 560
which is the best software for pcb design?
i am new in pcb design.i worked with pulsonix, eagle & ultiboard.i think the best is pulsonix:-p...
PCB Routing & Schematic Layout software & Simulation :: 04 Nov 2009 4:57 :: soesilo :: Replies: 207 :: Views: 38020
cadence ams problem with fatal error
dear all i met a fatal error duing runing cadence ams simulator. the version of ncsim i used is ius8.1 and the spectre version is mmsim7.1. in the end of log file, it appears the following error information you have no permission t...
Software Problems, Hints and Reviews :: 04 Nov 2009 4:43 :: sixth :: Replies: 2 :: Views: 303
verilog: lcd initialization
hello, im trying to control the lcd on my spartan3e starter kit without the use of picoblaze. ive written some code to initialize according to the hd44780u datasheets init sequence on page 46(4-bits) but im not getting anything. at the end of this se...
PLD, SPLD, GAL, CPLD, FPGA Design :: 03 Nov 2009 15:07 :: laserbeak43 :: Replies: 14 :: Views: 462
does synopsys has library generation tool?????????/
hi,does synopsys has library generation tool which produces .lib file from extracted netlist similar to cadences encounter library characterizer or signal storm...
ASIC Design Methodologies & Tools (Digital) :: 03 Nov 2009 10:28 :: srehan :: Replies: 5 :: Views: 264
how to find inductance of rfid multiturn loop antenna
dear all,i have designed one rfid pcb loop antenna,how can i calculate the inductance of the antenna?i dont have lcr meter or any other measuring instruments,if i will get the inductance from that i can able to calculate total parallel capacitance,no...
RF, Microwave, Antennas and Optics :: 02 Nov 2009 14:25 :: sr_raval :: Replies: 6 :: Views: 216
accurate way for calculation of oscillation frequency
hello to all.i am a beginer in rf design , please help me.what is an accurate way for calculation of oscillation frequency in a lc tank with ads?:cry:...
Analog IC Design & Layout :: 02 Nov 2009 13:47 :: oermens :: Replies: 6 :: Views: 231
electronic circut simulation software
hellllllllllllllo:i am trying to design a dc motor drive circuit, which contains mosfet and dc motor can any give a software source to do this project.thanks....
Software Requests :: 02 Nov 2009 11:10 :: servisgaga1 :: Replies: 6 :: Views: 991
ads designing with tsmc0.18um designkit familyar help me
who has exprince in designing circuits with ads simulator and specially in cmos tsmc0.18um?? (( installing this designkit on ads and use this pallete elements for simulating)) if anyone has exprince please help me i have some questions...
Analog IC Design & Layout :: 01 Nov 2009 21:24 :: rezaee :: Replies: 0 :: Views: 84
pic18f dividing in assembly language
hi all..can anybody tell me how to do the program for int(3e85h/1024) in assembly , i am using pic18f and here no division operation so pls can any one help .. how to write code ?...
Microcontrollers :: 01 Nov 2009 15:27 :: atferrari :: Replies: 11 :: Views: 333
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