| Subject | Date Asked | Expert |
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| gold tipped cables/wires | 10/17/2008 | Cezar L. Palconet |
Q: Do they really make a difference?
A: Glenn Gold plated conductors do increase the conductivity of the material since gold is a very good ...
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| mobile communications | 9/15/2008 | Cezar L. Palconet |
Q: what is the coherence band width for GSM and CDMA mobile communications in INDIA?
A: Anand I I do not know the exact design criteria for India, but I will guess it follows the industry ...
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| narrowband FM & AM | 9/8/2008 | Cezar L. Palconet |
Q: why we can,t use AM instead of narrowband FM ,as both have same bandwidth =2fm
A: My answer is a definite YES, Why not. Keep in mind that AM has its specific application and ...
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| converting radio signals | 7/24/2008 | Cezar L. Palconet |
Q: I have heard about converting radio signals into optical signals and i was wondering if you could ...
A: Yes, radio signals can be modulated into their next higher order like an optical carrier. Optical ...
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| Bandwidth | 7/22/2008 | Cezar L. Palconet |
Q: How Bandwidth is related to Data Rate? I have to develop a system whose Data rate should be 1GBPS.I ...
A: Bandwidth and data rate are synonymous with each other, in the sense that 1 bit per second is 1 ...
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| Fly 2040 L ( Cell Phone ) | 7/5/2008 | Cezar L. Palconet |
Q: I have cellphone 'Fly 2040 L' model purchased from India. I am trying to turn it on by using my ...
A: Devesh you have a phone that is simlocked to the service provider in india. you could try some of ...
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| Velocity factor RG6 | 6/25/2008 | Cezar L. Palconet |
Q: Sir I am building a phased vertical 20 meter antenna that I plan to feed in phase and be space at ...
A: David, Very nice hobby indeed,by the way the answer is 70.71 not 71.71, velocity factor can be ...
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| Velocity factor RG6 | 6/24/2008 | Cezar L. Palconet |
Q: Sir I am building a phased vertical 20 meter antenna that I plan to feed in phase and be space at ...
A: If I got it straight, you are making 2 pcs. vertical ¼ wave antenna to operate at 14.250 Mhz. ...
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| Velocity factor RG6 | 6/18/2008 | Cezar L. Palconet |
Q: Sir I am building a phased vertical 20 meter antenna that I plan to feed in phase and be space at ...
A: First of all, I would like you to know that you are on the right track however I would like to know ...
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| Bandwidth calculations | 6/9/2008 | Cezar L. Palconet |
Q: I need to know how to calculate the bandwidth of a specific cable. For instance, CAT5 cabling ...
A: Your approach to the problem is correct, however you failed to consider Cable loss or cable ...
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| need to ask | 5/31/2008 | Cezar L. Palconet |
Q: can you recommend me some names of the most universal companies working in cellarer systems , radio ...
A: Jc Most major service provider works and maintains their cellular networks, and a great majority of ...
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| bandwidth router | 5/8/2008 | Cezar L. Palconet |
Q: we have very slow bandwidth from ISP i want to increase the bandwidth thanks hope for answer ...
A: No, there is no bandwidth router (hardware) that I know of, to increase the transmission bandwidth, ...
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| bandwidth router | 5/7/2008 | Cezar L. Palconet |
Q: we have very slow bandwidth from ISP i want to increase the bandwidth thanks hope for answer
A: I believe that the bandwidth you are referring to is “bandwidth computing” my expertise on this ...
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| need some help | 4/22/2008 | Cezar L. Palconet |
Q: halloo, Cezar i am Imran Khan a network engineer in a reputed firm and my duty is to ...
A: Try this site for the MRTG,oss.oetiker.ch/mrtg/download.en.html Your objective is best addressed by ...
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| question ! | 4/12/2008 | Cezar L. Palconet |
Q: I m searching for internship or any training position offered by large corporations or ...
A: Jc I do not know of any company worldwide except PLDT in the Philippines who offers internship to ...
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| Communication System Bandwidth | 4/11/2008 | Cezar L. Palconet |
Q: I'm looking for the frequency band allocation for each communication system (not for each use but ...
A: Akmarul Ariffin Salleh Well, since you are interested in recommended bands of operation, the best ...
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| Slow downloads | 3/26/2008 | Cezar L. Palconet |
Q: I have 2 Mb broadband, and a speed test shows it as just below this. I've been on 2 Mb for a long ...
A: Andrew The first question can only be answered by your administrator, talk to him regarding your ...
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| Slow downloads | 3/25/2008 | Cezar L. Palconet |
Q: I have 2 Mb broadband, and a speed test shows it as just below this. I've been on 2 Mb for a long ...
A: It is possible, yes. apparent speed has nothing to do with the actual speed of your connection, ...
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| Enough bandwith for GSM | 2/4/2008 | Cezar L. Palconet |
Q: I read one question about 20 MHz for GSM, but my question is: How many MHz is enough for small GSM ...
A: Manuel Yes, in some EU countries, they use 10 Mhz. x 2 or less,the 2 stands for the go and return, ...
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| bandwidth in GSM | 2/1/2008 | Cezar L. Palconet |
Q: How is threshold calculated to reserve bandwidth for handoff in mobile communication.
A: please clarify the question, what generation of GSM?, TDMA, or WCDMA of CDMA2000, all are variation ...
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| Enough bandwith for GSM | 1/30/2008 | Cezar L. Palconet |
Q: I read one question about 20 MHz for GSM, but my question is: How many MHz is enough for small GSM ...
A: Manuel the question you pose is difficult to quantify since how small is small, how many nodes will ...
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| TV Channel has radio | 1/6/2008 | Cezar L. Palconet |
Q: We have cable and DVD/VCR hooked up to tv. A few months ago, we stopped getting sound on 2 tv ...
A: Roch While your at it, don't forget to check loose and faulty AV cables, this could reduce the ...
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| TV Channel has radio | 1/5/2008 | Cezar L. Palconet |
Q: We have cable and DVD/VCR hooked up to tv. A few months ago, we stopped getting sound on 2 tv ...
A: Roch, A TV signal is composed of two different types of modulation, and the audio is Frequency ...
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| tv conversion analog/digital | 1/1/2008 | Cezar L. Palconet |
Q: How do I know if I need a converter box for my TV? I use an antenna for signals, but how do I know ...
A: Most TV's that are now sold are digital, I do not know since when did you have your TV. if you have ...
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| 1 Gbps on dial-up modems -- physically-possible? | 11/9/2007 | Cezar L. Palconet |
Q: I might have sent you this question before. I so, I apologize profusely for the repitition. ...
A: Twisted pair cabling is for the purposes of canceling out electromagnetic interference (EMI) from ...
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| 1 Gbps on dial-up modems -- physically-possible? | 11/1/2007 | Cezar L. Palconet |
Q: I might have sent you this question before. I so, I apologize profusely for the repitition. ...
A: What limits the bandwidth on twisted pair is the line insertion losses, With a typical house wiring ...
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| Is low-bandwidth FM video possible? | 10/30/2007 | Cezar L. Palconet |
Q: What is the lowest frequency an FM carrier signal must be in order to transmit uncompressed ...
A: 50 Mhz. would be about the lowest frequency that you could use to carry a TV signal with a bandwidth ...
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| Wireless bandwidth | 10/25/2007 | Cezar L. Palconet |
Q: Currently I have been given an assignment regarding GSM. I am required to propose design of a ...
A: Teck Guan your question is a little bit confusing, however, A bandwidth of 20 Mhz x 2. is more than ...
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| Broadband | 10/13/2007 | Cezar L. Palconet |
Q: I have a dial up connection which is convenient as I divide my time between 2 different houses at ...
A: In case where you have two diffrent service provider, that really depends on the service provider if ...
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| DSL WIRELESS | 9/27/2007 | Cezar L. Palconet |
Q: Cezar Hi, I am looking to hook up Verizon WIRELESS high speed DSL. Verizon will send me a ...
A: I’m sorry but I do not know what kind of wireless interface there are on the market, much so for the ...
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| Does more bits-per-character but less characters-per-second make better use of bandwidth? | 9/16/2007 | Cezar L. Palconet |
Q: If you have more bits-per-character but less characters-per-second, would this be more efficient in ...
A: More bits per character and less charcter to transmit may hold water in a discussion but then one ...
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| 5 cellular phones | 8/30/2007 | Cezar L. Palconet |
Q: I have a cellular phone internet connection through USB. I would like to increase the speed of my ...
A: This is quite ingeniuos, the truth of the matter is, it is teoreticaly correct, but not at the phone ...
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| True bandwidth monitor | 8/27/2007 | Cezar L. Palconet |
Q: Do you know of any free software for monitoring the actual (true) speed of ethernet/wireless ...
A: I know of some instruments that measures true network speed in real time, check out HP and ...
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| EDT [European Deaf Telephone] and EDTN are the TDD protocols used in Switzerland | 8/24/2007 | Cezar L. Palconet |
Q: EDT [European Deaf Telephone] and EDTN are the TDD protocol used in Switzerland. Where can I find ...
A: Green I do not hear much of this acronym, probably EDTN stands for Electronic Design and Technology ...
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| Increasing the speed of dial-up to that of cable -- possible? | 8/13/2007 | Cezar L. Palconet |
Q: Quotes from http://groups.google.com/group/sci.electronics.basics/msg/0c013cf5371da8dc?hl=en& : ...
A: Green As I have said earlier there are 3 basic type of modulation amplitude, phase, and frequency. ...
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| Sending large files - a QB file of 600 MB file | 8/7/2007 | Cezar L. Palconet |
Q: We have an offsite accountant who needs access to our Quickbooks file which is around 600 MBs. Do ...
A: Landon I get the impression that you are concerned about the kind of protocol to use to ...
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| Query in Mobile computing | 8/2/2007 | Cezar L. Palconet |
Q: I am Imtiyaz, a student from India doing engineering in Electrical and Electronics. I am doing a ...
A: Imtiyas. You have to be more specific in what wireless platform you wish to understand, since there ...
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| Data transmission | 5/16/2007 | Cezar L. Palconet |
Q: i am studying for a distance learning and i have to do a 1000 word report on simplex,duplex (half ...
A: I do not know of any 1000 words document on the subjects that you mention, however, I can explain ...
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| bandwith in gsm | 4/30/2007 | Cezar L. Palconet |
Q: why the bandwith in gsm is 200khz or more or less than this value? ANSWER: The modulation method ...
A: I have received your e-mail address, shahrzad_ahmadi51@yahoo.com For your information; your e-mail ...
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| bandwith in gsm | 4/26/2007 | Cezar L. Palconet |
Q: why the bandwith in gsm is 200khz or more or less than this value?
A: The modulation method used for GSM signals are GMSK. The objective is to find the bandwidth that ...
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