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motorola+interfase+communication protocol
do somebody knows how to communicate with a motorola cellular phone,i.e. motorola startac 7867,motorola tango 300e(motorola 325 wireless phone) to dial numbers, and make a normal communication, through your communication protocol ????regards!!!!!!...
PC Programming and Interfacing :: 31 Jan 2004 1:04 :: billsecco :: Replies: 1 :: Views: 1245
msp430 operating system information request
anyone could say me wich is the best operating system i could use with the msp430?...
Embedded Systems and Real-Time OS :: 28 Jan 2004 9:44 :: poomit :: Replies: 7 :: Views: 2863
report descriptors - mouse
there are 6 buttons(remote on/off, page up/down,scroll up/down) in the wireless presentation mouse. i have to create the report descriptors for this wireless presentation mouse.the following is the report descriptor for a standard 3-button mouse. usa...
PC Programming and Interfacing :: 24 Jan 2004 9:53 :: Bella :: Replies: 0 :: Views: 312
data sheets request
hi,can anyone help me at finding datasheets of of rf3000, rf3002 and rf2958. those are wireless lan chipsets from rfmd, and i cant find data sheets for them on the rfmd website.regards,...
RF, Microwave, Antennas and Optics :: 22 Jan 2004 11:32 :: g579 :: Replies: 1 :: Views: 303
x11 through ssh tunnel
hi,i learned that i can use ssh forwarding x11 packet when my ip is the virtual ip.i use this method to display x11 on my pc with virtual ip, but my pc is always not funcation.does anyone has the experience of using ssh forwarding x11?br,jiang...
Linux Software :: 16 Jan 2004 13:09 :: gezzas525 :: Replies: 6 :: Views: 1188
designing the dc biasing circuit of lna
i am a beginner and want to design lna of the frequency 2100 mhz.plese help me to design the dc biasing circuit for the bipolar transistor which also isolate the rf and dc biasing...
RF, Microwave, Antennas and Optics :: 14 Jan 2004 6:40 :: jupitorcuu :: Replies: 6 :: Views: 1476
driver doubt.
there are 6 buttons(remote on/off, page up/down,scroll up/down) in the wireless presentation mouse. this is a new usb device. will the drivers in windows 2000 (hidclass.sys and hidusb.sys) work for this new device or a new driver must be coded?. it i...
PC Programming and Interfacing :: 14 Jan 2004 6:24 :: Bella :: Replies: 0 :: Views: 369
need antenna @60mhz transmitting upto 20 metres
im doing a project on wireless interfacing betweeen a computer and a printer. the modulator operates at 60mhz. im using fsk as the modulating scheme. the project has to be capable of working within a distance of 20-25 metres. receiving antennas are n...
RF, Microwave, Antennas and Optics :: 10 Jan 2004 4:52 :: eltonjohn :: Replies: 4 :: Views: 582
usb driver - windows 2000
i am developing firmware for the wireless presentation mouse. it consists of two parts (transmitter and the receiver). in the receiver section, the code receives from the transmitter and sends them though the usb port to the host. i have one doubt in...
Microcontrollers :: 09 Jan 2004 10:58 :: ntfreak :: Replies: 3 :: Views: 495
usb driver - windows 2000
i am developing firmware for the wireless presentation mouse. it consists of two parts (transmitter and the receiver). in the receiver section, the code receives from the transmitter and sends them though the usb port to the host. i have one doubt in...
PC Programming and Interfacing :: 06 Jan 2004 7:18 :: u_f_o :: Replies: 1 :: Views: 398
what is radio trunking system?
hi all,i need info on radio trunking. what is it? is there any standard?regards...
RF, Microwave, Antennas and Optics :: 02 Jan 2004 15:27 :: VSWR :: Replies: 1 :: Views: 1121
remote ir switch
hi,i want to build a remote infrared switch(simple on/off) of range around 10-15 meters.does anyone has a circuit for it ? how can i tweak a tv remote to act as a simple switch ? i guess it wont be difficult but if someone has done it or has any idea...
Hobby Circuits and Small Projects Problems :: 01 Jan 2004 12:16 :: makri :: Replies: 15 :: Views: 1552
wireless audio signal transmission
for wireless audio signal transmission, what is the most recommended protocol? points to be sconsidered are: signal/ noise ratio, interference and ease of implementation.if any material is available on the same, kindly link me to it.thanks and regard...
Professional Hardware and Electronics Design :: 29 Dec 2003 11:02 :: ilojhon :: Replies: 4 :: Views: 424
good electronic site/links
http://www.electronics-list.com/ :d :) :( :o :roll: click here to link to our web directory sub categories application notes and data sheetsbasic stampchip directorycircuit archivesobsolete component sourcesreceiver and antenna theorysemicon...
Software Links :: 27 Dec 2003 9:09 :: extractman :: Replies: 0 :: Views: 3679
rf link between pc and microcontroller
one which asked about a pic and pc link, but that isnt exactly what i want to know. i would like to set up an rf link between a parallax board of education and my pc using, perhaps, components from a wireless mouse, rc model airplane tx and rx or pai...
Microcontrollers :: 14 Dec 2003 11:38 :: ME :: Replies: 4 :: Views: 1455
architectures & rf circuits for miniature wireless trans
a good presentation of architectures & rf circuits for miniature wireless transceivers.pdf....
RF, Microwave, Antennas and Optics :: 13 Dec 2003 21:22 :: ninhawk :: Replies: 2 :: Views: 733
how can i build compact flash card ?
hi,i wanna build some compact flash card like wireless or barcode interface etc. i need all kind of info c source for pic micros, schematics and etc. also driver examples for pocketpc and/or embedded linux will be really useful and where can i purcha...
Professional Hardware and Electronics Design :: 12 Dec 2003 8:51 :: gjx9011 :: Replies: 5 :: Views: 1829
swr meter for vhf/uhf
hi allwhat do commercial uhf capable swr meters use as a sensing element - a 50ohm stripline or coax made with a rod and tube with a 50 ohm d/d and some sort of sensing element?i have looked for some designs on the web but most are for hf using torro...
RF, Microwave, Antennas and Optics :: 09 Dec 2003 22:39 :: phongwiroon :: Replies: 18 :: Views: 4718
wireless remote control extender circuit
hi i am searching for a simple circuit diagram for ir remote control extender but wirless i mean to convert ir signal to rf singal and send it wireless the receive it and convert it back to ir signal regards,...
RF, Microwave, Antennas and Optics :: 09 Dec 2003 20:35 :: emis :: Replies: 2 :: Views: 1832
high speed rfid or high speed wireless sd flash card
i start a project for wireless (like rfid cards) sd flash memory card.it must be very fast (8mb data must be transferred about max. 5 minutes)i must build a device with integrated sd flash card , and wireless power supply and communication ...can som...
Other Design :: 09 Dec 2003 10:03 :: dll_embed :: Replies: 1 :: Views: 766
bi-birectional wireless serial link
hey,i am looking at designing a project, and i need a bi-directional serial link between two microcontrollers. does anyone know any chipsets that could acomplish this. i have the following restrictions;1) i do no wish to use commercial rs232 transmit...
Hobby Circuits and Small Projects Problems :: 08 Dec 2003 10:08 :: Phil woz ere :: Replies: 6 :: Views: 1234
micro camera
i need a 20 mm. diameter camera (color camera if possible) and searching in internet i haven´t found anything that fits with the require diameter...
Robotics and Automatics Forum :: 07 Dec 2003 23:55 :: FANT :: Replies: 2 :: Views: 1359
r&s cmu200 vs. agilent 8960
to develop and test gsm cell phone in laboratory and factory, which wireless communication tester is better, r&s cmu200 or agilents 8960,or other instruments, why?...
RF, Microwave, Antennas and Optics :: 03 Dec 2003 13:15 :: hskao :: Replies: 6 :: Views: 1696
pcb anttena for 2.4 ghz
hello all, im looking for any reference materials on how to create the 2.4 ghz anttena on the pcb. i want to use the cypress wireless usb chip and would like to design the attena for it directly to the pcb but i have no rf expereince.thanks ...
RF, Microwave, Antennas and Optics :: 03 Dec 2003 7:23 :: kudjung :: Replies: 5 :: Views: 1495
need recommendation for 2.4ghz wireless camere transmitter..
dear friends. im a newbie in rf design business. now my jos is designing 1000-2400 mhz wireless camera system. i have many experineces at microcontrollers video signals and 433 mhz ism transmitters but still i need advices about 2.4 ghz band. im u...
RF, Microwave, Antennas and Optics :: 26 Nov 2003 8:47 :: Kit-the-great :: Replies: 3 :: Views: 1594
problem with wireless optical mouse
i have a problem witm my wireless optical mouse made by microsoft. do you know if i can find somewhere the circuit of this mouse?...
Hobby Circuits and Small Projects Problems :: 26 Nov 2003 7:47 :: you_rock :: Replies: 1 :: Views: 629
help for pic to pc rf link
hii need to connect my pic project board to my pc using rf link. for that im looking for a good transmitter & receiver circuit. pls i need help..thank you....
Microcontrollers :: 22 Nov 2003 18:59 :: abb652 :: Replies: 13 :: Views: 2437
job prospects in the field of networking
hi, i am a graduate student majoring in wireless communication and networking ...and i wanted to know the job prospects for the same in us. what are the chances of freshers getting a decent-paid job??...
EDA Jobs, Promotions, Advertising :: 21 Nov 2003 6:06 :: bay1234 :: Replies: 1 :: Views: 970
long range wireless cct.
i am looking for a long range wireless (walkie-talkie) circuit.can somebody help me ?thanks in advance :)...
Hobby Circuits and Small Projects Problems :: 17 Nov 2003 21:52 :: coolchip :: Replies: 0 :: Views: 503
how ic are implementing pll to increase the onchip frequency
how ic are implementing pll to increase the onchip frequency by using it?...
ASIC Design Methodologies & Tools (Digital) :: 07 Nov 2003 0:32 :: khouly :: Replies: 4 :: Views: 914
wlan datasheet
dear all,im new in this forum, someone could help me in finding datasheet on wireless lan chipsets, i.e. intersil prism a/b/g?...
RF, Microwave, Antennas and Optics :: 06 Nov 2003 15:22 :: felix :: Replies: 0 :: Views: 285
remote man - machine communication protocol
i would like to open discussion related to man_machine communication protocol . the machine is remotely connected thorugh wireless gsm access mcu controlled device . the communication is done via gsm phones sms messasges . my approach is to abstract ...
PC Programming and Interfacing :: 03 Nov 2003 17:06 :: artem :: Replies: 0 :: Views: 513
interface a micro to wireless modem(ethernet)
hiis it possible to interface an embedded board(include a microcontroller like as avr ) to ultima 3 modem from wi---lan company?this wireless modems are working at 2.4ghz and 5.8ghz and thier interface port is ethernet 100mbps.the range of this modem...
PC Programming and Interfacing :: 23 Oct 2003 0:47 :: cancel :: Replies: 12 :: Views: 1743
how to caculate the pll filter?
i have a rfic for handphone. there is a pll filter exteral to chip. how can i caculate this filter , such as bandwidth , etc. is there some referencefor it. thks in advance....
RF, Microwave, Antennas and Optics :: 13 Oct 2003 8:15 :: borich_03 :: Replies: 11 :: Views: 1762
sending data over 300-400 m?
i want to make a pic based wireless network where microcontrollers communicate with eachother. how to deal with interference? which ready-for-use oem modules can i buy? any suggestions, tips of links?...
RF, Microwave, Antennas and Optics :: 04 Oct 2003 13:45 :: koky :: Replies: 4 :: Views: 1002
2.4 ghz amplifier
somebody has built an 2.4 ghz one watt amplifier? something like this, im saying: :d http://www.google.com.ar/search?q=cache:6mpugahirbqj:www.qsl.net/n9zia/wireless/2.4amp.html+bi-directional+2.4+ghz+one+watt+amplifier&hl=es&ie=utf-8...
RF, Microwave, Antennas and Optics :: 02 Oct 2003 23:14 :: Davenger :: Replies: 6 :: Views: 1296
my latest toy an ir thermometer!
i just received today a ir thermometer raytek minitempis pretty impresive it has a led laser built in .. so ive been shootingall over the place and taking mesurments i know now how cold my dogs nose is . it occured to me that i could mesure water t...
Professional Hardware and Electronics Design :: 01 Oct 2003 23:19 :: RegUser_2 :: Replies: 11 :: Views: 2307
tips and tricks of mms!!!!
http://www-106.ibm.com/developerworks/library/wi-tip25.html?dwzone=wireless...
RF, Microwave, Antennas and Optics :: 30 Sep 2003 11:43 :: nvp :: Replies: 0 :: Views: 336
what are the new frequencies that people are trying to use?
hi all,i need some favor from you experienced guys. what are the frequenciesthat people are trying to use? i mean, the frequencies or bands that arestill developing. i am doing some research about dual-band (even tri-band) rf vco and frequency synthe...
RF, Microwave, Antennas and Optics :: 28 Sep 2003 19:18 :: goodboy_pl :: Replies: 11 :: Views: 1966
please choose a dsp for me
i want to learn a dsp processor, but which one should i choose? tis or adis ?for float points, the candidates are from adsp21065 and tms320vc33.for fixed points, i want to choose from adsp218x, adsp219x, adsp-bf53x,tms320c54xx, c55xx.i prefer adis to...
Microcontrollers :: 23 Sep 2003 6:31 :: arturt134 :: Replies: 10 :: Views: 1381
infra red system for remote voting
hianybody knows how build infra red system for remote votingor wireless...
PC Programming and Interfacing :: 19 Sep 2003 4:36 :: flatulent :: Replies: 8 :: Views: 1088
wireless power transfer
i want to transfer about 5 watt power to a remote location 5 inch away for a home lighting device(5watt 12 v led bulb) using wireless power transfer can anyone suggest me how can i do it ? can i use the air core transformer in which the transmit...
Professional Hardware and Electronics Design :: 18 Sep 2003 3:11 :: krag :: Replies: 17 :: Views: 2613
powerline communication
hi, i would like to know more about powerline communication systems. if somebody have experianced on this field, mostly welcomes yours comments, ckts designs etc...regards...,,,indy...
Professional Hardware and Electronics Design :: 17 Sep 2003 6:44 :: bobcat1 :: Replies: 14 :: Views: 3451
atmel introduces second generation eda tool for programmable
atmel® corporation introduced its second generation system designer eda tool suite for design of its fpslic(tm) family of programmable systems-on-chips (socs). system designer 2.0 is the most comprehensive programmable soc tool suite available provid...
Microcontrollers :: 16 Sep 2003 22:16 :: IgorMarx :: Replies: 7 :: Views: 1735
i want to interface the mc68hc705c8 with mc33594 and mc33493
i am working with the mc68hc705c8ai am trying to establish a wireless communication between two mc68hc705c8a microcontrollers. i have chosen to use the mc33594 receiver and the mc33493 transmitter. although i am working based on the datasheets of the...
Professional Hardware and Electronics Design :: 09 Sep 2003 7:57 :: mbyka :: Replies: 2 :: Views: 608
need ieee mtt paper - 2
i need urgently the paper as the following:g.pfitzenmaier,synthesis and realization of narrow-band canonical microwave bandpass filters exhibiting linear phase and transmission zeros, ieee trans.,mtt-30,sept. 1982,pp1300-1310.can anyone help me as so...
RF, Microwave, Antennas and Optics :: 30 Aug 2003 16:29 :: ronsmithy :: Replies: 14 :: Views: 698
5.8ghz signal strength meter
any suggestion? or any ic that i can do this with it.regards...
Professional Hardware and Electronics Design :: 22 Jul 2003 9:28 :: 7rots51 :: Replies: 5 :: Views: 561
how to synchronize pics wake up???
inchronized digital clocks that can give a pulse to wake up the pics, so i can wake up all at the same time... for example like every 30 minutes for data acquisition (a/d) during 20 seconds ... its a wireless pic network, so the number of the digital...
Microcontrollers :: 21 Jul 2003 4:30 :: Rafael :: Replies: 0 :: Views: 371
networking using existing phoneline
hello,i have assignment to setup inetnet in a hotel. hotel has existing phoneline using two wires. so i was wonding if it is possible to implement network using exisitng phone line. else i have to install new structure for cat-5. please let me kn...
Hobby Circuits and Small Projects Problems :: 19 Jul 2003 16:11 :: ASIC :: Replies: 10 :: Views: 1506
ADS
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seeking for "rf power amplifiers for wireless communica
rf power amplifiers for wireless communication steve c. cripps , artech-house.i got his another book advanced technuques in pa.thanks!...
RF, Microwave, Antennas and Optics :: 17 Jul 2003 7:08 :: rainer :: Replies: 1 :: Views: 329
chipweb wireless
does anybody have chipweb wireless source code and board schematic ?regards :roll: mark...
Microcontrollers :: 13 Jul 2003 16:42 :: cotaimich :: Replies: 6 :: Views: 1986
cable pir and wireless pir
:?: sirshow to interface the cable pir and wirell pir on microcontroller ? where to get circuits ideas to interface them ? are there a standard or protocol ?thanks in advanceregardsjean fernandesbraziljeanfernandes@engineer.com...
Hobby Circuits and Small Projects Problems :: 10 Jul 2003 12:16 :: Analyzer :: Replies: 1 :: Views: 549
wireless mouse
can someone please give me a run-down on the rf part of the cordless mouse (computer mouse that is).what frequency?what modulation method?if there are more than one wirelss mouse in the same area, how do they prevent one mouse from transmitting to a...
RF, Microwave, Antennas and Optics :: 08 Jul 2003 11:19 :: Phil woz ere :: Replies: 5 :: Views: 455
control over phone line
:) sirsits a phone interface to use with any microcontroller/microprocessor.features - detect ring- hook on/off control- read dtmf signal- (use to control any application)have funjean fernandesconeel@engineer.comconeelsmart solutions...
Microcontrollers :: 05 Jul 2003 9:57 :: bogdanm :: Replies: 8 :: Views: 1136
/\ds2002 vs /\ds2002c?
does anyone know the major changes in 2002c? i took the ads fundamentals training class, and i was told that only a few user functions where implemented or improved. a friend said it has better support for design kit,( tsmcs modles).and could anyone ...
RF, Microwave, Antennas and Optics :: 03 Jul 2003 2:30 :: htforever :: Replies: 21 :: Views: 2845
30db 900mhz (ism/srdband systems) power amplifier
..does anyone tested 1w power amplifiers with cc1010 chipcon rf transceiver ? any design exaples or ideeas? im looking to design high tx power wireless applications. where can i find parts like (high power packages antenna switches filters etc)? :?:...
RF, Microwave, Antennas and Optics :: 30 Jun 2003 15:01 :: luc2002 :: Replies: 0 :: Views: 462
5ghz pll for 802.11a?
is there a commercial pll module for 802.11a running at 5ghz range?...
RF, Microwave, Antennas and Optics :: 28 Jun 2003 11:38 :: RC13 :: Replies: 2 :: Views: 521
some good eda vendor presentation stuff
to share with you all...stuff 1 : agilent ads - presenter : mark yang, agilent technologies - date : oct., 2002 - topic 1 : wireless lan - a unified physical layer design and measurement environment - topic 2 : introducing agilent r...
ASIC Design Methodologies & Tools (Digital) :: 20 Jun 2003 9:19 :: saho :: Replies: 2 :: Views: 879
~1 ghz low phase noise oscillator
was anybody involved in designing a low phase noise oscillator with varactor/varicap diodes at frequencies around 1 ghz?links, pdfs or comments very welcome!tnx,rfmw...
RF, Microwave, Antennas and Optics :: 18 Jun 2003 19:27 :: BigBoss :: Replies: 16 :: Views: 2825
rf power amplifiers ebook
hi alli am looking for the book rf power amplifiers for wireless communicationsive downloaded just 3 parts of it from mcu server and lost the server if any body has the book (or even similar books) please tell me where to find it.thanx in advance...
RF, Microwave, Antennas and Optics :: 17 Jun 2003 0:34 :: observer :: Replies: 0 :: Views: 499
low-power design techniques span rtl-to-gdsii flow
with todays increasingly large and complex digital ic and system-on-chip (soc) designs, design power closure and circuit power integrity are starting to become one of the main engineering challenges, thereby impacting the devices total time-to-market...
ASIC Design Methodologies & Tools (Digital) :: 14 Jun 2003 6:34 :: seeya :: Replies: 0 :: Views: 460
awr announces analog office
first complete system in 10 years to deliver dramatic improvements in design productivity and time-to-market for wireless ic applicationsel segundo, calif. — may 19, 2003 — applied wave research, inc. (awr) a leading provider of high-frequenc...
RF, Microwave, Antennas and Optics :: 13 Jun 2003 1:57 :: kaol :: Replies: 0 :: Views: 629
wireless internet modulation?
hi all, i just wonder what kind of modulation they used for wireless internet communication at 2.4ghz or 5ghz.any one have a good e-book or link for this topics? pls share.thx in advancetr2000...
RF, Microwave, Antennas and Optics :: 11 Jun 2003 7:42 :: harlan1 :: Replies: 7 :: Views: 647
how many receive channel in transceiver?
hi, how knows how many receive channels in wireless cdma phone?i was told there are 2 receive channels and one transmit channel in most gsm and cdma phone set. the reason there are 2 receive channels is that one is regular receiver, and the second is...
RF, Microwave, Antennas and Optics :: 09 Jun 2003 5:24 :: flatulent :: Replies: 2 :: Views: 529
wilkinson combiner without resistor
i would like to know is it possible to design wilkinson combiner without isolation resistors with changing in characteristic imp. or length and the same performance for return lossthanks in advance...
RF, Microwave, Antennas and Optics :: 08 Jun 2003 5:35 :: Gemini1706 :: Replies: 17 :: Views: 5951
agilent wireless network planning and design tool - free!!!!
i have problems with downloading this program because im not in supported contries.lets somebody who can download from: http://www.agilent.com/find/wizard to share us.thanks!...
RF, Microwave, Antennas and Optics :: 07 Jun 2003 6:59 :: yellowtooth :: Replies: 4 :: Views: 916
tripler & pa will affect frequency deviation?
i made a tripler and pa to transfer 800mhz fsk signal to 2.4ghz band. but the output frequency deviation of some chnnels changes! i.e. not 3 time as value of 800mhz. why? and the output deviation to be affectd by shield cover location. this will affe...
RF, Microwave, Antennas and Optics :: 07 Jun 2003 5:14 :: flatulent :: Replies: 9 :: Views: 762
good fpga design language: celoxica handel-c, design suite.
i wanna try some wireless design in handel-c language, but no way to get the celoxica design suite. the latest version of dk design suite is dk2. it seems only be downloaded by the authorized users from the website. wholl be so kind to give somewhere...
Software Problems, Hints and Reviews :: 07 Jun 2003 4:01 :: yuppier :: Replies: 2 :: Views: 1212
433.92 mhz preamplifier for a remote control system
hello, would it be possible to design a 433.92mhz preamplifier in order to increase the sensitivity of the receiver. the complete system serves as a wireless garage door opener and at the moment it is capable to achieve about 200 met...
RF, Microwave, Antennas and Optics :: 04 Jun 2003 6:41 :: mr_ghz :: Replies: 9 :: Views: 3209
wireless ghz data transmitter ?
helloi want to send/receive data by a wireless system for 75km in lenght.i want to use a system that operates in ghz frequency range and data rate can be at least 1mbps.i checked the internet, i found this company have a product that can be suitable...
Professional Hardware and Electronics Design :: 03 Jun 2003 20:59 :: mr_ghz :: Replies: 5 :: Views: 484
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