| Search found 421 matches on edaboard.com: pcb antenna pcb antenna rfid antenna pcb omni pcb antenna pcb omni antenna pcb yagi antenna |
gsm rx out-band attenuation issue
hi guys,my pcb is using qualcomm 8k platform with rtr6285 and murata front-end module instead of reference design-sony antenna switch module + epcos saw filters.my selected module has measured evb out-band attenuation (close to in-band and high side ...
RF, Microwave, Antennas and Optics :: 20 Nov 2009 5:48 :: kspalla :: Replies: 1 :: Views: 57
second harmonic in gsm(900)
in gsm 900, the gsm modem i am using has a radiated second harmonic more than -30 dbm (violates etsi). testing the modem revealed that the conducted second harmonic at 1800 was -42 dbm. my antenna gain at 1800 is 3 dbm. i am not sure where the 9 db g...
RF, Microwave, Antennas and Optics :: 19 Nov 2009 15:52 :: Wilson_yu_chen :: Replies: 8 :: Views: 810
sim300 breakout pcb design - let's fab some pcbs :)
hello,some time ago someone mentioned that they have designed a breakout pcb for that pesky gsm module - but the thread went dead and i didnt hear back from that person.if anyone had done a pcb design for breakout board for sim300 module, please let ...
Professional Hardware and Electronics Design :: 17 Nov 2009 3:20 :: naeemafar :: Replies: 45 :: Views: 11161
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: 267
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
who can design an small antenna for 170 mhz ?.
hi who can design an antenna that works from ideally from 160 mhz upto 900 mhz and even 2.4 ghz. it could also be two designs. one from 160 mhz upto 175 mhz and the other from 850 - 2500 mhz !. design must be simulated and proven to work. payment pos...
RF, Microwave, Antennas and Optics :: 09 Nov 2009 3:05 :: E Kafeman :: Replies: 4 :: Views: 180
interfacing bluetooth usb dongle with microcontroller
do anyone know how to interface bluetooth usb dongle(which is easily available for pc) with microcontrollers?coz these dongles r easily available n cheaper than bluetooth module so if its possible to interface with ucs than it becomes cheaper bluetoo...
Microcontrollers :: 05 Nov 2009 7:25 :: dannym :: Replies: 115 :: Views: 25008
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: 219
pcb with fr4 substrate is ok for wimax antenna ?
dear all,by the information on internet the frequency range of fr4 is up to 2ghz . however, there are many research papers are using pcb of fr4 substrate (for example, 0.8mm for thickness)http://en.wikipedia.org/wiki/fr4#applicationsdoes fr4 has no a...
RF, Microwave, Antennas and Optics :: 02 Nov 2009 9:18 :: dongxl :: Replies: 2 :: Views: 333
signa integrity book for pcb designers
i read this at si-list and thought that it may be useful for the pcb designer. i am reproducing it.i have 50 copies of my book signal integrity for pcb designers available from my publishers. i am offering these books at price of $25 at amazon under ...
PCB Routing & Schematic Layout software & Simulation :: 20 Oct 2009 12:23 :: dehati :: Replies: 0 :: Views: 243
using pcb antenna as a external in trf7960 module
hello, m designing a pcb antenna for achieving 2 mtrs range...is it possible n how to implement it with dat module.......
RF, Microwave, Antennas and Optics :: 19 Oct 2009 8:49 :: 666sahilkhan :: Replies: 0 :: Views: 96
rf am transmitter 433.92mhz, how to increase "the power
hi all!im not sure that a new topic was necessary (if not, please correct this and let me know...).i have a problem with rf key of my car...it works only about 5-7 meters around the car (the battery is ok) and i want to buy/build a car alarm which wi...
RF, Microwave, Antennas and Optics :: 17 Oct 2009 22:16 :: zundapp :: Replies: 19 :: Views: 828
gprs modem interface proceduer
i am starting to design a telemetry system using sms. any sugestions about gsm modules? thanks in advance....
Professional Hardware and Electronics Design :: 17 Oct 2009 3:44 :: printed circuit girl :: Replies: 191 :: Views: 52555
sim300d antenna traces routing
hello i am putting sim300d in my design. it provides gsm rf antenna interface via its smd pins. manual says that the routing should be a microstrip line to the antenna. i intend to connect it to an off-the-shelf patch antenna. what i understand is th...
RF, Microwave, Antennas and Optics :: 13 Oct 2009 11:20 :: ShahbazAli :: Replies: 0 :: Views: 141
pcb's cable acts as antenna
i am a hardware designer of home appliances. i am doing tests of immunity to electrical fast transients (burst) of a pcb. on board there is a microcontroller, switching power supply, relays and cables connected to other devices. during the test (at a...
Professional Hardware and Electronics Design :: 08 Oct 2009 7:42 :: david_samtel :: Replies: 2 :: Views: 498
rf pcb corrosion prevent coating
hi all, what is the best way to protect rf pcb from the corrosion. any coating should be done to protect, if so pls suggest any method/material. ( rf pcb consists of 2.45ghz transceiver+pa+pcb antenna)thanksroshni added after 3 hours 26 minutes...
RF, Microwave, Antennas and Optics :: 24 Sep 2009 9:43 :: pranam77 :: Replies: 3 :: Views: 228
help needed in design of microstrip yagi antenna
i am designing microstrip yagi antenna and simulating it in hfss. but even though i add no of directors the gain does not increase substantially as it should. i have also maintained the distance between the directors and feed according to the data gi...
RF, Microwave, Antennas and Optics :: 24 Sep 2009 5:58 :: vfone :: Replies: 1 :: Views: 153
pcb design help (315mhz with 1/4 wave dipole)
hi, i have never done rf layout before. this is a really simple board but i would like maximum range. :) i have a transceiver chip and antenna that are both matched at 50ohms and tuned for 315mhz. my problem is how to get a trace from chip to antenna...
RF, Microwave, Antennas and Optics :: 21 Sep 2009 17:22 :: biff44 :: Replies: 5 :: Views: 369
sim300
hi everybody, is here any one working on sim300 if so, is there any thing to be added other than the circuit provided in schematics provided in ver 2.02. because i getting rdy after power on but its not detecting sim card when sim card is placed. i ...
Professional Hardware and Electronics Design :: 16 Sep 2009 9:54 :: mpch_elec :: Replies: 145 :: Views: 37849
heartbeat monitor
hello there. i am having a problem with my heartbeat monitor circuit. the project is to count the number of heartbeat per minute. i am planning to use an lcd to display the result, but before that i wanted to make sure that i am getting the right ecg...
Hobby Circuits and Small Projects Problems :: 01 Sep 2009 11:42 :: shon :: Replies: 117 :: Views: 10761
manufacturing the spiral antenna (microstrip type)
hi all,im designing the spiral antenna (microstrip type). i dont know how to have the negatives of pcb drawing (for etching process). can we use protel or some pcb design tool like that to draw the spiral model. a suggestion is to use autocad because...
RF, Microwave, Antennas and Optics :: 27 Aug 2009 0:20 :: plasma :: Replies: 5 :: Views: 441
antenna interaction - can there be undesirable efects?
hi,i have a project where i put a gps antenna (25 x 25 mm) and a 868mhz (fi = 10mm) small helix close to one another (16mm). they do not work simultaneously. can i expect some undesirable effects? thank you...
RF, Microwave, Antennas and Optics :: 25 Aug 2009 18:25 :: biff44 :: Replies: 2 :: Views: 227
pifa (planar inverted f antenna)
hi,with a pifa, you can either use a planar inverted f structure (the 3-dimensional structure), or you can implement using pcb traces. are there pros and cons to both structures? or do they both have similar performance?to me it seems like the pcb ...
RF, Microwave, Antennas and Optics :: 21 Aug 2009 19:40 :: vfone :: Replies: 5 :: Views: 297
re: designing antenna matching circuit - newbie question
in fact here is the sonnet design file im using for the murata footprint...
Electromagnetic Design and Simulation :: 20 Aug 2009 4:58 :: rubeng :: Replies: 1 :: Views: 296
wimax implementation (fpga)
hello, i have been digging into this forum, finding *very good books* and other nice stuff. im planning to implement a wimax transmitter and receptor. for now, i should concentrate in transmitter. im going to use vhdl mainly and open cores. so if yo...
Digital communication :: 18 Aug 2009 6:38 :: Muneeb31 :: Replies: 30 :: Views: 5752
how to design a magnetic near field microstrip antenna
hi. i am currently designing an antenna that needs to have a high magnetic field strength. is there any specific features or golden rule that i need to follow on to get something out? thanks in advance....
RF, Microwave, Antennas and Optics :: 13 Aug 2009 13:25 :: ntstatic :: Replies: 5 :: Views: 565
rfid project
i am building an integrated rfid system capable of quickly identifying objects by their rfid tags. the system will be able to read and write tags. read data will be store in a database through a middleware.i intend this system to be installed in libr...
Microcontrollers :: 09 Aug 2009 1:16 :: doraemon :: Replies: 10 :: Views: 1773
help me budget. in house design or outsource?
asking the group, (im sure you are all very busy) but im a lone engineer in thailand on this project without anyone else to talk to. ive been assigned a project requiring 2 distinct rf components and pcb antennas. i need an rfid chip at 13.56 mhz and...
RF, Microwave, Antennas and Optics :: 06 Aug 2009 19:06 :: micky74 :: Replies: 1 :: Views: 282
practcal book for designing pcb antennas
our company designs wearable computers that connect to a wifi network. we mainly use pcb traces for the antenna (inverted fs). up to now, we have been outsourcing the antenna design. we now want to do the designs in house. does anybody have a rec...
RF, Microwave, Antennas and Optics :: 30 Jul 2009 10:50 :: balaguru thavamani :: Replies: 1 :: Views: 333
900 mhz microstrip patch antenna
y i am working on a project which part of the modules needs me to design a 900mhz patch antenna. but i dont have telecommunication background so it seems hard to me.so may i know anyone has the exact pcb dimensions for a simple patch antenna?(plz spe...
Electromagnetic Design and Simulation :: 29 Jul 2009 21:03 :: ahsaan :: Replies: 13 :: Views: 1383
868mhz antenna
hi,im looking for a small 868mhz antenna. i was thinking of a pifa or bifa design. i would prefere a pcb design. any suggestions?thank you...
RF, Microwave, Antennas and Optics :: 29 Jul 2009 11:25 :: vfurlan :: Replies: 2 :: Views: 237
simulation of 2 antennas in cst or hfss
hii am wondering is it possible in cst or hfss to model 2 antennas with a certain distance between them and measure the s21 between them.if anyone has successfully model such setup. i would appreciate if they uplaod their model.any suggestions to cre...
RF, Microwave, Antennas and Optics :: 26 Jul 2009 13:31 :: shahid78 :: Replies: 6 :: Views: 585
antenna inside enclosure
if i am going to put an antenna inside a plastic enclosure what should i need to consider?what i can/cannot dothis is a zigbee applicationwill plastic have a great effect on my gain?directivity?front: lcd display+microcontroller (digital)back: power ...
RF, Microwave, Antennas and Optics :: 25 Jul 2009 12:31 :: biff44 :: Replies: 6 :: Views: 444
emi noise
hey all,i have a problem with my oscilloscope measurement. im building an amplifier for a microvolt signal, with about 55db gain.while inspecting the output of the three-stage op-amp amplifier, i can see my signal, carried on a 50hz (or 100hz) signal...
Electronic Elementary Questions :: 25 Jul 2009 2:55 :: oldeboots :: Replies: 10 :: Views: 513
bidirectional antennas
hi,i want to design a bidirectional antenna with range of 9-10 kms with gain of 9db. please tell me how can i do this?regards,kashif...
RF, Microwave, Antennas and Optics :: 24 Jul 2009 12:55 :: Kashi :: Replies: 9 :: Views: 501
printed circuit board antenna / symetrical radiation pattern
hello everybody,does anybody already designed a pcb antenna that has a radiation pattern that is symmetrical in the xy plane. in other words, when the antenna lays on the floor itll radiate with the same gain in the polar coordinates r-θ-φ ...
RF, Microwave, Antennas and Optics :: 23 Jul 2009 11:17 :: jabidof :: Replies: 6 :: Views: 399
antenna for airwave 5.8ghz tx/rx modules
i would like to use these modules to transmit audio only in a teather sized room. airwave says it covers 500 feet range (about 150 m) but the antenna part is not well documented it says absolutely nothing about what type / size / gain i could obtain ...
RF, Microwave, Antennas and Optics :: 20 Jul 2009 9:45 :: Zedman :: Replies: 5 :: Views: 492
coaxial to microstrip transition
hi,i need information regarding the connection of coaxial cable (sma edge mount) to microstrip line on a pcb.i saw that there is a tapering technique to maintain constant impedance from the sma connector to the microstrip but i didnt see literature a...
Electromagnetic Design and Simulation :: 14 Jul 2009 9:44 :: crucian :: Replies: 5 :: Views: 630
sim300/sim305 without antenna?
all most all the mobile phones are not having external antenna. they are doing some work in pcb so it works as antenna. they dont requier any antenna.could anybody help me out how to use sim300 with out antenna by doing some work in pcb?...
PCB Routing & Schematic Layout software & Simulation :: 13 Jul 2009 19:37 :: GSM Man :: Replies: 5 :: Views: 366
10w smps fails emc
hello,i work in a company that makes led lighting products that run off car batteries at about 13.5v and we are in washington.there are 5 members of staff in the electronics dept.eighteen months ago, the electronics dept was asked to design and buil...
Power Electronics :: 13 Jul 2009 18:46 :: dfullmer :: Replies: 4 :: Views: 385
rf power loss in pcb design
anybody can give me some good method to calculate the power loss in fr4 pcb trace design?for example . the rf power amp output to the antenna switch has a length about 60mm.i worry about the long rf trace will make the power loss . i want to know ,wh...
RF, Microwave, Antennas and Optics :: 13 Jul 2009 8:23 :: wave1363 :: Replies: 11 :: Views: 1284
problems importing dxf to cst
hi everybody!i am trying to simulate a patch antenna using cst.to get the geometry of the patches i am trying to import a .dxf file.however cst imports this geometry as a curve and not as a planar sheet.when i try to get a planar sheet from the curve...
Electromagnetic Design and Simulation :: 07 Jul 2009 4:17 :: jongjong :: Replies: 3 :: Views: 261
patch antenna design-need suggestions on equation, documents
i am designing a circularly polarized patch antenna with single feed from cxoaxial probe/by a via with feed coming from via from some other plane - multilayer pcb board. it will be helpful if some one can suggest me about the design equation/referenc...
RF, Microwave, Antennas and Optics :: 22 Jun 2009 0:15 :: brumi :: Replies: 3 :: Views: 423
antenna software
dear all, would you pls help me to find a software to analyse antenna (the ideal chose for me is the free one :sm1:...
RF, Microwave, Antennas and Optics :: 21 Jun 2009 10:27 :: research scholar :: Replies: 50 :: Views: 5760
ADS
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ads v/s ansoft v/s mwo
can anyone give me the point of differentiation between advanced design system(ads), microwave office and ansoft designer?please put some light on the positive and negative part of each softwares....
Electromagnetic Design and Simulation :: 18 Jun 2009 5:10 :: ghayas1981 :: Replies: 4 :: Views: 732
2.4ghz module to sma connector
ng a low volume product that i need to make (point to multipoint) wireless. i have found some excellent little 2.4ghz modules from radiocrafts that are surface mount, which i have put on a four layer pcb. the pcb will be inside a metal box and will t...
RF, Microwave, Antennas and Optics :: 16 Jun 2009 15:06 :: smiling84 :: Replies: 4 :: Views: 381
question regarding smith chart
hi all,i have a question on smith chart performance.i have a pcb of twin lead dipole antenna (fr4 substrate) with a hardline soldered on end of pcb and the other end of hardline soldered in n-type male connector. i want to see impedance value in smi...
RF, Microwave, Antennas and Optics :: 16 Jun 2009 9:43 :: kspalla :: Replies: 6 :: Views: 255
sim700d: what should the min signal quality be for gprs?
hi,what should the min signal quality be for proper gprs connection?my sim700d returns (22,0) for at+csq.rssi = 22ber = 0are these values ok?parameters for at+csq<rssi>: 0 -113 dbm or less 1 -111 dbm 2...30 -109... -53 dbm ...
Professional Hardware and Electronics Design :: 02 Jun 2009 17:33 :: BasePointer :: Replies: 2 :: Views: 330
signal integrity for pcb designers
i thought that it is relevant to let you know the contents of the book signal integrity for pcb designers. the book is available at amazon for 40 bucks or so ..table of contents1 introduction.. 41.1 integrity of point to point signal 51.2 timing rela...
PCB Routing & Schematic Layout software & Simulation :: 10 May 2009 8:23 :: newstreet179 :: Replies: 2 :: Views: 1590
problems with ie3d - the result if very different
hello guys!i simulate a 24ghz patch antenna with ie3d and after a made this antenna and measure it but the result if very different.my resonant frequency is near 23.5 ghz in real.where did my problem come from? is it a problem of simulation ?thanks f...
RF, Microwave, Antennas and Optics :: 07 May 2009 6:51 :: guytoub :: Replies: 2 :: Views: 207
fr4 substrate
i am currently designing a bowtie antenna tat has been uploaded for ur view...i am using fr 4 substrate because of its low cost...and copper as the coating...does changing the substrate like silicon and changing the coating as quartz which is more ex...
Electronic Elementary Questions :: 03 May 2009 3:10 :: brumi :: Replies: 4 :: Views: 660
serial pattern generator approaches
dear members,i required to build serial pattern generator circuit for ic testing purpose using tester. currently i have built the circuit using ttl ics. below are the difficulties that im facing,1. ltx tester is not capable to generate serial pattern...
Hobby Circuits and Small Projects Problems :: 02 May 2009 17:41 :: Minar :: Replies: 1 :: Views: 303
help me to design anuular slot antenna in ie3d
i want to design the structure given in the paper. please tell me how to design the annular section .. i am uploading the paper and ie3d file i have designed .http://www.edaboard.com/viewtopic.php?p=1019809#1019809: paper.....
Electromagnetic Design and Simulation :: 02 May 2009 17:40 :: Minar :: Replies: 7 :: Views: 438
printed antenna shapes
in many printed antennas for ism and 5 ghz band applications, the shape of the antennas are very peculiar and different.how do they (manufacturers) make those shapes?(ofcourse they needed to match the tuning criteria, bw etc... ) does anybody know ho...
RF, Microwave, Antennas and Optics :: 01 May 2009 10:31 :: smiling84 :: Replies: 2 :: Views: 519
how to protect 4w ldmos power amplifier from antenna short
hi,i designed a 4w power amplifier 300mhz-350mhz with an ldmos mrf1513.the transistor blows off when i disconnect the load and give an input signal.my application requires the amplifier to withstand all posible faults at the output (short, disconnect...
RF, Microwave, Antennas and Optics :: 22 Apr 2009 9:38 :: vfone :: Replies: 9 :: Views: 684
phd thesis suggestions
hi everybody. i need a suggestion. im working on my phd with fractal antennas as a topic. until now i have been working on sierpinsky carpet antenna analysis and ive got some interesting results. i have done what was possible but it is not enough for...
RF, Microwave, Antennas and Optics :: 20 Apr 2009 3:56 :: kpahwa2002 :: Replies: 12 :: Views: 1854
high-school student want to design a simple rfid antenna
good morning everyone, i have a project which is so important for me where i need to built a simple rfid antenna, i dont know how to start, which sources could help? the frequency should be 13.56 mhz>> how l is should be???i am really lost in this a...
RF, Microwave, Antennas and Optics :: 17 Apr 2009 16:17 :: salehmag :: Replies: 7 :: Views: 822
why most of the antenna has an input impedance of 50 ohm
i am currently designing a bowtie antenna using ansoft hfss for my final year project. can anyone help me to explain why does most of the antenna has an input impedance of 50ohm. is 50ohm consider as an effective impedance matching?if yes why?...
Electronic Elementary Questions :: 14 Apr 2009 15:25 :: electronics_kumar :: Replies: 6 :: Views: 678
rf layout for a mc13213 transceiver based circuit simulation
hi all, i am redesigning the layout for a mc13213 transceiver based circuit, whose rf receiver portion contains a pcb antenna, an rf switch, a balun and the transeceiver differential signals by integrating one lna and its associated circuitr...
RF, Microwave, Antennas and Optics :: 14 Apr 2009 8:01 :: rfquery :: Replies: 2 :: Views: 426
radio shack special
hello to all,i need to design fm receiver that is able to tune to commercial fm radio broadcast channels spanning from 87.5 mhz to 108 mhz, and to produce audible demodulated output. doing some research, i came across radio shack special. ive tried t...
Hobby Circuits and Small Projects Problems :: 06 Apr 2009 16:30 :: Audioguru :: Replies: 62 :: Views: 3930
how to design meander line antenna
hi all,i will like to know the basics of designing a meander line antenna. what i will also like to know is how skycross seem to be able to use this design technique to control the radiation patterns and obtain a broadband/dualabnd antenna with acce...
RF, Microwave, Antennas and Optics :: 06 Apr 2009 5:43 :: vikash_i :: Replies: 10 :: Views: 3066
rf antenna microstrip consedration
files-eboard/ant_1441.gifi wanna ask as the microstrip on the right hand side o f the board doesnt has a gnd plane is the placement ok ? . the antenna is a small ducky right angle to the plane of the pcb .thanks in advtrishool...
RF, Microwave, Antennas and Optics :: 02 Apr 2009 5:41 :: Azulykit :: Replies: 7 :: Views: 612
tuning loop antenna tuning help
hello guys , please have a look at the following loop(15mm length 2mm thick) antenna for 432mhz transmitter hand held device ,which is for pcb. i want to know about the following;http://www.imagefilez.com/out.php/i348627_loop1.gif1) what value of var...
RF, Microwave, Antennas and Optics :: 31 Mar 2009 8:24 :: Trishool :: Replies: 4 :: Views: 378
microstrip patch atenna in microwave office problem
hi friendsim trying to simulate microstrip patch atenna by using microwave office software on dielectric substrate of second layer of 2 layers enclosure. 1st layer is air with er=1. it is suppose that the height of the 1st air layer is not active on...
RF, Microwave, Antennas and Optics :: 29 Mar 2009 19:40 :: hasanalhasnawy :: Replies: 5 :: Views: 666
differential antenna design
i need to design a differential antenna. any one know how design pcb differential antenna, formulas and relevant papers? thanks...
RF, Microwave, Antennas and Optics :: 09 Mar 2009 3:56 :: tieuquaybk :: Replies: 3 :: Views: 378
one antenna for wlan and bluetooth
hi,is it possible to use only one antenna for a wlan / bluetooth application if the antenna is multiplexed? does someone know such a device? i thougth it can be implemented like this:pcb antenna (2.4ghz) --> multiplexer |--> balloon 1 --> rf ic1........
RF, Microwave, Antennas and Optics :: 06 Mar 2009 7:30 :: kspalla :: Replies: 9 :: Views: 624
how to design monopole antenna
hi to everyone.i want to design a wire monopole antenna with a rectangle ground plane in hfss. however,i need some help in excitation and radiation. can antone help me??...
Electromagnetic Design and Simulation :: 04 Mar 2009 5:43 :: Abhishekabs :: Replies: 4 :: Views: 483
emc/emi
hii alll , i am new in pcb designing using allegro 15.7 .can any body please help me to know , wat is emc and emi and in pcb wat are the things which affects it ,thanks in advance...
PCB Routing & Schematic Layout software & Simulation :: 02 Mar 2009 1:34 :: pcbdesigner34 :: Replies: 3 :: Views: 663
rf unit / shielding enclosure / rf going through usb cable
art- a microcontroller part - an uart to usb circuit. i use an alubos enclosure. see http://www.bopla.de/en/product-catalog/enclosure-technology/product-category/alubos-1.html for more info on it.the pcb board (2 layers with gnd plane) is slided in.....
RF, Microwave, Antennas and Optics :: 28 Feb 2009 10:08 :: jabidof :: Replies: 6 :: Views: 1935
what is partial ground plane
can any one explain me what is partial ground plane ..why we use partial ground plane ..can any one justify...
RF, Microwave, Antennas and Optics :: 26 Feb 2009 5:18 :: kspalla :: Replies: 2 :: Views: 186
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