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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: 12146
delay before rf amplifier gives stabilized output gain
hi,i am designing power supply sequencing for rf monolithic amplifier. i want to know the delay time of amplifier response. after switch on the power supply, how many ns that amplifier will take to give stabilized output gain?what are all the paramet...
RF, Microwave, Antennas and Optics :: 28 Oct 2009 16:11 :: vfone :: Replies: 4 :: Views: 168
ADS
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fundamentsl of wireless communicaions
hi friends,i need the solution manual of the book fundamentals of wireless communications by david tse.please forward it to me.please . please i need it badly.thanx...
Digital communication :: 23 Oct 2009 7:01 :: Communications_Engineer :: Replies: 8 :: Views: 2898
wireless nwtwork help (wifi)
dear all; i want to esatblish a wireless network between two locations 350 meters apart @ location a i have two pcs and a dsl connection all wired through lan @ location b i have three pcs wired through a lan but no inter...
Network :: 27 Sep 2009 9:03 :: tanbukhari :: Replies: 1 :: Views: 303
difference b/w wifi and wimax
any information most welcome...
Network :: 04 Sep 2009 20:56 :: tanbukhari :: Replies: 8 :: Views: 1752
phase modulation?
can me some people explain relation between fm and phasem. i meen, why its fm better than pm? thanks!...
RF, Microwave, Antennas and Optics :: 11 Jul 2009 5:14 :: francx :: Replies: 9 :: Views: 1284
what is the best technology, wimax or cdma?
what is the best technology, wimax or cdma?...
Digital communication :: 03 Feb 2009 19:37 :: hiyan :: Replies: 12 :: Views: 897
antenna design for wlan in cst mws
can anybody help me to define the type of antenna design for wireless lan by using the cst mws...please..i need it urgent~:cry:[/img]...
Electromagnetic Design and Simulation :: 03 Feb 2009 11:25 :: t25 :: Replies: 4 :: Views: 375
looking for job; precious if any of you can help me out.
d on varieties of project on scripting with perl, couple of r&d-cum-development project with perl and mysql and have worked on software testing. i have also worked on designing, coding and testing of wireless lan pci card. due to lake of projects, ou...
EDA Jobs, Promotions, Advertising :: 17 Jan 2009 16:31 :: webmaster_ph :: Replies: 1 :: Views: 309
need solution for wifi based hotspot of 1km radius
hello dear, i wants a solution for wifi based hotspot of 1km radius, any one help me about the regarding with equipment specification , maximu users 50...
Network :: 15 Jan 2009 14:58 :: fullforce :: Replies: 1 :: Views: 282
what is the future for cmos analog ic designers ?
?what i see is...data converters (hardly any schools in the world teach this)pll (same thing)bandgapsrficsverilog digitaldigital logic designanything else ?what is the new killer application ? still wireless ? biomedical ?...
Analog IC Design & Layout :: 21 Dec 2008 12:46 :: drDOC :: Replies: 162 :: Views: 16452
esd in silicon integrated circuits
i want to learn esd protecting and i/o for cmos analog circuit. are there any books and papers introduced about these?thank you !!...
Analog IC Design & Layout :: 04 Dec 2008 8:15 :: srftech :: Replies: 5 :: Views: 570
can you troubleshoot this??
guys, i have created a wireless ad-hoc network to share internet between two laptops.the host (hcl leaptop) is directly connected to lan cable from service provider, and the other laptop (dell 1420) is hosting an adhoc network , which is joined by th...
Network :: 11 Nov 2008 13:00 :: INS-ANI :: Replies: 2 :: Views: 243
bluetooth lan
we want to interface a bluetooth transreceiver chip(f2m03ac2) with microcontroller......what are the features we should look for in the microcontroller while selecting it so that it is compatible with bluetooth transreceiver chip..?...
Network :: 09 Nov 2008 19:40 :: simonrash :: Replies: 1 :: Views: 336
how can i extract information from a tv tuner card ?
hello to all.i am creating a home theater with hvr3000. i would like to know 2 things :1. the characteristics are :cpu - intel celeron dual core e1200 1.6ghz s775memory - ddr2 2ghz / 667 / pc5400power - 450wvideo card - forsa geforce 6600gt 512mb ddr...
PC Programming and Interfacing :: 01 Nov 2008 19:03 :: foxclab01 :: Replies: 3 :: Views: 846
how to connect two laptops?
hello frens.....can anyone please guide me how to connect to laptops?.............and wat are the basic requirements to connect two laptops through lan?...
Network :: 18 Oct 2008 21:29 :: jallem :: Replies: 13 :: Views: 3846
lon network
anybody got any tips or knowledge of lon networks?or good links to info?...
Network :: 29 Sep 2008 13:49 :: BenoitG :: Replies: 16 :: Views: 3204
for sale : apple macbook pro - core 2 duo 2.4 ghz - hdd 160
phone 4 raves limitedregistered no.0637792079b helix road,brixton,london,sw2 2jrtelephone: +447024093988contact: phones4raves@gmail.comgeneralsystem type notebookbuilt-in devices stereo speakers, wireless lan antenna, bluetooth antennawidth 15.4 inde...
EDA Jobs, Promotions, Advertising :: 22 Sep 2008 14:20 :: raves01 :: Replies: 4 :: Views: 876
ideas for an m.sc. thesis?
hi, does anyone have an idea for an m.sc. in the field of embedded systems and communications? may be in coding , diversity, wimax, ofdm, idma. what are the hot points for research?regards...
Embedded Systems and Real-Time OS :: 11 Sep 2008 16:43 :: C4Cheema :: Replies: 6 :: Views: 657
wpa vs wep (wireless lan security)
hi, would like to know the difference between wpa and wep in wireless lan security.i also want to know all of wlan security methods.thanks....
Network :: 24 Aug 2008 6:06 :: alvars :: Replies: 2 :: Views: 234
communication based project
hi, can anyone give me an idea on what project to do for final year of b.e. electronics and telecommunication engg. i just need an idea.thanks....
Hobby Circuits and Small Projects Problems :: 13 Aug 2008 7:34 :: Rohan200786 :: Replies: 59 :: Views: 16804
help for ieee paper ,thanks
development of integrated three dimensional bluetooth image reject filtersutono, a.; laskar, j.; smith, w.r.microwave symposium digest., 2000 ieee mtt-s internationalvolume 1, issue , 2000 page(s):339 - 342 vol.1digital object identifier 10.1109/mw...
RF, Microwave, Antennas and Optics :: 31 Jul 2008 8:50 :: YCChiou :: Replies: 1 :: Views: 135
mimo qos
hiwould you please introduce me some refrences about quality of service(qos) in mimo systems :?:? tanx alot....
Digital communication :: 22 Jul 2008 13:14 :: itengineer79 :: Replies: 4 :: Views: 315
suggestions for projects based on micro controller
kindly tell me few of the possible projects using 1. microcontroller and ethernet2. ne64 controller.:!:...
Microcontrollers :: 06 Jul 2008 12:20 :: navdeep :: Replies: 3 :: Views: 246
need a suggestion on a thesis project..
hi guyz, i need a suggestion on what thesis project should i undertake? it should be fissible or atleast some part is.. thnx...
Electronic Elementary Questions :: 28 Jun 2008 12:41 :: m_pourfathi :: Replies: 6 :: Views: 363
current research topics in dsp
dear experts here.i want to know what are current dsp topics in research. so can you please write few lines. (yes by visiting some univ pages one has rough idea. but also want to know if in industry its also same thing)please share ur knowledge....
Digital Signal Processing :: 20 Jun 2008 9:24 :: fiquran :: Replies: 1 :: Views: 246
exposed station problem in wireless lan ieee 802.11
please , i want to know the solution of exposed station problem in wireless lan ieee 802.11.tell me in details the solution of this problem aided with links.thanks alot.[/size]...
Network :: 10 May 2008 16:38 :: safyh2005 :: Replies: 0 :: Views: 324
please help me
hello i want a good idea for project because i am in the last year in (electronic & communication engineering) thank u all...
Digital communication :: 01 May 2008 11:31 :: paulys :: Replies: 4 :: Views: 252
ethernet o mcu
dear friendsi would like to get you experts help in the followingi had a system which is connected to the computer via rj45 cross cablesomethimes the system fails to communicate with the computeras the cable length is too longi always take my laptop ...
Microcontrollers :: 22 Apr 2008 7:56 :: m_pourfathi :: Replies: 1 :: Views: 252
ethernet communication
for ethernet communication from one pc to another wat shud v do.i think v have to write a program on datalink layer. is there any sample program in net.how to use the ethernet card in pc?...
Network :: 02 Mar 2008 1:20 :: albert233 :: Replies: 4 :: Views: 914
diagram of probability / power density function
does someone know where to find the diagram of probability (or power) density function (pdf) for the cdma, wireless lan and gsm signal?thank you!...
RF, Microwave, Antennas and Optics :: 20 Feb 2008 17:58 :: Ching :: Replies: 0 :: Views: 64
[help] low if v.s. dlif: which is suitable for gps?
the cmos fully integrated receiver design, there are some architectures such as low if. but there are low if and double low if. i have read some papers about them, it seems that dlif is often used in wireless lan tranceiver while many people use low ...
RF, Microwave, Antennas and Optics :: 12 Feb 2008 4:09 :: aminmahdi :: Replies: 11 :: Views: 378
simulation question?
is there any software product for simulating a lan or wireless network or simulating internet environmet?...
Electronic Elementary Questions :: 28 Jan 2008 16:17 :: memed09 :: Replies: 7 :: Views: 207
cwnp study guides (wireless#, cwna,)
here is the study guide for wireless# and cwna certifications, i was so happy to find it and post them here:http://images.amazon.com/images/p/0072263423.01._sclzzzzzzz_.jpg1- wireless#:authorized by the exam developers at the cwnp program, this study...
Digital communication :: 26 Jan 2008 21:17 :: imamadou :: Replies: 1 :: Views: 1359
802.11
hi,whats the signification of 802 of 802.11 standard?br...
Digital communication :: 24 Jan 2008 9:12 :: emg :: Replies: 4 :: Views: 165
precoded ofdm....
dear alli need the thesis of, “spectrally precoded ofdm”. author – char-dir chungplease help me ………...
Digital communication :: 18 Jan 2008 12:37 :: vkekk :: Replies: 2 :: Views: 296
about mimo ofdm
please could you recommend me a good resource that explains all about mimo ofdm, ive been reading a. goldsmith wireless communications but it is too much general book on wireless subjects i need something that goes directly to mimo ofdm please help...
Digital communication :: 18 Jan 2008 7:21 :: nadermokari :: Replies: 5 :: Views: 457
stupid question...
please can u differentiate between wireless,bluetooth,wi-fi.?also tell me what is adaptive frequency hooping...
Electronic Elementary Questions :: 05 Dec 2007 15:02 :: guxingduxia :: Replies: 11 :: Views: 363
rake receiver..
hii plz tell me what is rake receiver. and what r its functions....plz suggest good book related to rake receiver..and also upload if possible..thanks in advance.....
Digital communication :: 05 Oct 2007 18:59 :: vkekk :: Replies: 5 :: Views: 387
wireless mesh network
:?:hi every 1i am working on wireless mesh network without using any ap or router.1st i want to connect all pcs with each other through wireless lan card for this i installed two wlan cards on pcs using windows xp pro sp2, for mesh i used mesh connec...
Network :: 29 Sep 2007 1:03 :: SAR :: Replies: 1 :: Views: 221
pcmcia card host?
hi i want to connect my pic microcontroller to a wireless lan using a conventional wi-fi card .in future i may require to connect other pcmcia devices also to this connector.is it practically possible to log on my pic device to a lan (of pcs and l...
Microcontrollers :: 11 Sep 2007 14:23 :: Picstudent :: Replies: 0 :: Views: 117
odfm cdma wimax wifi...begginer to digital communication
hello all friends, i am just a begginer into digital communication field and want to make a decision in wich part to go in in details (ofdm, cdma, wimax or wifi).may be i donot understand what each of them include and talking for, so i am waiting for...
Digital communication :: 03 Sep 2007 13:32 :: Ghitani :: Replies: 8 :: Views: 786
direct conversion of 802.11a receiver
is it possiable to implemente of direct conversion for 802.11a, running at 5ghz.any one knows this issue?...
RF, Microwave, Antennas and Optics :: 03 Sep 2007 11:50 :: tigana123 :: Replies: 5 :: Views: 548
wireless lan with robot
i want to design robot and control via wireless lan. who have data for thisthank....
Microcontrollers :: 25 Aug 2007 21:17 :: mohsin677 :: Replies: 17 :: Views: 1227
what is hot-topic in digital design now?
can anybody share any idea? i think soc maybe one....
ASIC Design Methodologies & Tools (Digital) :: 24 Aug 2007 8:39 :: phoenixfeng :: Replies: 157 :: Views: 14907
wireless networks
hi everybodyim assigned a topic wireless ad hoc networks for a presentation in my college.can any body say what is the literal meaning of the term ad hoc. and suggest some good links on manets...
Electronic Elementary Questions :: 19 Aug 2007 11:57 :: ahmadtdm :: Replies: 5 :: Views: 555
looking for a 802.11g chips, suggestions?
hello,im looking for the back-end parts of the 802.11g standard components all on single chip, i.e. one for the tx and another for the rx.i mean that it contains all parts of tx excluding the pa and antenna, and the other chip contains all parts of r...
RF, Microwave, Antennas and Optics :: 09 Aug 2007 21:53 :: khouly :: Replies: 4 :: Views: 156
ieee 802.11a
can anyone tell me whether ieee 802.11a protocol operates on network layer or physical layer? and why that layer only?...
Digital Signal Processing :: 09 Aug 2007 16:57 :: dsp4us :: Replies: 1 :: Views: 147
uwb radar experts: please, i need your advice ...
hi to all,im involved in a simple design of an uwb radar for short range motion detection (less than 30m). i wish to avoid the patch antenna design and ive found a provider that offers patch antennas from 3.5 to 5.9 ghz but in the list of application...
RF, Microwave, Antennas and Optics :: 04 Aug 2007 6:46 :: Abhishekabs :: Replies: 11 :: Views: 459
what is the future for cmos rfic design engineers?
many companies doing rf cmos have failed recently, espcially in wireless lan.companies like broadcom, atheros, marvell and ti say they have rf ics in cmos but where is the proof? where are the products?is rf cmos just an academic thing? is their a ...
Analog IC Design & Layout :: 02 Aug 2007 10:14 :: sunny153 :: Replies: 12 :: Views: 849
a network configuration problem
hi guys,i am stuck in an unusual situation. i have a belkin wireless router with a usb printer port and a usual cat5 cable coming from my office network. i want to setup a private wireless lan using the belkin router to setup some computers in such a...
Network :: 17 Jul 2007 6:09 :: mathuranathan :: Replies: 1 :: Views: 207
asic vs soc
hi,what are differences between asic and soc...
ASIC Design Methodologies & Tools (Digital) :: 21 Jun 2007 14:11 :: djones1 :: Replies: 8 :: Views: 375
need help to buy first fpga board
hi everyone,i am newbie in fpga; recently i decide to buy a fpga board to study.i am considering two boards:1. virtex-4 mb (ds-kit-4vlx60mb) with xc4vlx60http://www.xilinx.com/xlnx/xebiz/designresources/ip_product_details.jsp?key=ds-kit-4vlx25mb&sglo...
PLD, SPLD, GAL, CPLD, FPGA Design :: 26 May 2007 20:17 :: kaweezonderkap :: Replies: 7 :: Views: 603
can mpeg2 or mpeg4 video be transmit over ieee802.11a,g
hi!does anybody know if there are suitable solutions for digital video sender? i recently study if mpeg2 or mpeg4 video can be transmit over ieee802.11a and ieee802.11gdoes anyone have experiences on that?the max data rate of ieee802.11a is 54mbps.....
RF, Microwave, Antennas and Optics :: 24 May 2007 16:09 :: phuongnt :: Replies: 11 :: Views: 1629
2.4ghz bpf for wireless lan & bluetooth
hi all, just want to know that is there any polarity for the passive bandpass filter below:http://info.tactnet.co.jp/cgi-bin/soshin/eprodetl.cgi?pf=0201&pm=0201&pn=hmd845his there any effect if the input and output of the bpf is reversed?...
RF, Microwave, Antennas and Optics :: 21 May 2007 12:41 :: khouly :: Replies: 2 :: Views: 291
whether lan is half duplex or full duplex?
hi friends,i have one doubt whether lan is half duplex or full duplex?how?how the source knows that the collisions happended in the network in both wireless and wired environments?thanks in advance,goud...
Network :: 21 May 2007 3:42 :: venkat3271 :: Replies: 6 :: Views: 547
microwave
has anyone ever heard of this it sounds a bit dangerous. is there a safe way to work with microwaves?...
Professional Hardware and Electronics Design :: 12 May 2007 19:12 :: khaldoon99 :: Replies: 4 :: Views: 675
ebook on "security in wlans and mans"
read the contents below.contentspreface xvacknowledgments xviichapter 1 introduction 1i authentication and authorization in wlans 7chapter 2 authentication in wlans: an overview 92.1 introduction 92.2 basic entities and requirements in wlans 102.2.1 ...
Digital communication :: 06 May 2007 22:55 :: Sanyok1978 :: Replies: 2 :: Views: 591
what are the hot subjects in r&d groups these days?
hii asked this question from some pepole, their response was wireless sensor network, dvbh & rfid.i myself think isscc or jscc papers can be a reference that show the road map & technology direction. what do you think? is there any website that talk ...
ASIC Design Methodologies & Tools (Digital) :: 21 Apr 2007 16:44 :: shiv_emf :: Replies: 20 :: Views: 2169
wireless communication between two pc's using laser
hello,i need help for my graduate project. i must do an wireless communication between pcs using laser.can anyoane help me!!!!.....with an idea. please its urgentthx...
PC Programming and Interfacing :: 17 Apr 2007 21:08 :: Eugen_E :: Replies: 3 :: Views: 258
dlink dhcp
hi, ive a dlink dwl-900ap serving as an access point, ive configured dlink as a dhcp server for wireless network,but this dhcp server gives ip addresses to the computers in both wireless network and my lan,my lan and wireless network have different c...
Network :: 21 Mar 2007 8:05 :: Abo Saker :: Replies: 5 :: Views: 270
2.4ghz lna with cmos
hi.this paper is the best lna with cmos for wireless lan....
RF, Microwave, Antennas and Optics :: 19 Mar 2007 7:30 :: chen_li3 :: Replies: 4 :: Views: 207
graduate projct?
hi alli need your thoughts about graduate project i am a computer system engineer (cse) student i am searching about a suitable idea for graduating for a project depend on pic.......i am not interested in any ideas about vhdl or eda...........thanks ...
Microcontrollers :: 19 Mar 2007 5:19 :: islamianb4u :: Replies: 5 :: Views: 531
need help for lna
i have design a lna using for wireless lan, until now i cant find the real value for my chip rsistor, inductor and capacitor. i attach my datasheet, maybe easy for us to aunderstand. hope any people can guide me.regardabm...
RF, Microwave, Antennas and Optics :: 03 Mar 2007 19:45 :: khouly :: Replies: 1 :: Views: 126
fm tranceiver using wlan card?
im an electrical enginering student, and i was just wondering if a wireless lan card could be used as an fm tranceiver? is it possible? if yes, then how?...
Network :: 14 Feb 2007 21:13 :: saifshah :: Replies: 0 :: Views: 153
[req] frequency bands allocation chart or table
hi,i want a table, chart or a document describing different bands and channels allocation in frequeny domain.. specially around the 2.45ghz, as well as differnet available ism-bands.i tried to get from google, i already found some .bmp photo but its ...
RF, Microwave, Antennas and Optics :: 13 Feb 2007 12:34 :: lathaharshini :: Replies: 3 :: Views: 216
flash-ofdm
hi, can someone explain the new technique flash-ofdm. how this technique differ from ofdm,? what are the advantages ?i have tried to get some papers on flash-ofdm but with no success. if someone can upload a paper i would be very grateful.thank yo...
Digital communication :: 18 Jan 2007 3:54 :: mindrover :: Replies: 1 :: Views: 324
pulse width
hii was reading a book and there it was writtenwe want to increase pulse width as much as we can without producing intersymbol interferencecan anyone tell me whats the reason of increasing pulse width...why do we want to increase pulse width...isnt s...
Digital communication :: 11 Jan 2007 6:05 :: amihomo :: Replies: 4 :: Views: 171
standards zegbi,bluetooth and wireless lan
plz i want the papers or articles of standards zegbi,bluetooth and wireless lanplz quickly...
Digital communication :: 23 Dec 2006 21:22 :: hazemafify :: Replies: 0 :: Views: 156
which digital modulation scheme to use
about designing a simple tranceiver systems consisting of a few similar tranceivers that modulate voice and other data as packets, what i want to know is what modulation scheme and carrier frequency should i use . the devices should operational withi...
Digital communication :: 27 Nov 2006 6:14 :: some1mohsin :: Replies: 6 :: Views: 321
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