Low Power RF & Wireless Connectivity

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Low Power RF & Wireless Connectivity

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2.4GHz
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  • Forum Post: 868MHz or 2.4GHz in a metal occupied area?

    Phillip Jacobs1
    Hi, I have a project where have to place tags on or inside metal enclosed volumes ie. truck cab to trailer enclosure. The typical distance between the tags could be to 30m. There is also a possibility of having many tags in the same area. What I need to figure out is which frequency would be best in...
    on May 17, 2012

  • Forum Post: ZigBee signal through a metal pipe (as waveguide) experiënce?

    Massive
    I need to send the ZigBee (eZ430-Rd2480 target boards) signal through a metal pipe of 30 meters, using a few routers won't be a problem. But the inner diameter of the pipe is only 40mm. Examples of waveguides say the diameter should be at least 1/2 the wavelength (that would be 62.5mm at 2.4GHz)...
    on Apr 29, 2009

  • Forum Post: RF Transceiver problem with CC2430

    R R R
    Dear All, We made a PCB with CC2430. While testing I observed that it is not able to Transmit or Receive as expected in any of the frequency channels. So I observed 32 MHz Crystal on Oscilloscope, which seems to be fine. but when I observe the RF output on the Spectrum Analyzer it shows some...
    on Jun 22, 2009

  • Forum Post: CC2591 Reference Design PCB Material DE104iML

    Zabs14
    Hi, I am currently designing a PCB project using the CC2591 RF front end. I have followed the layout and routing reference design provided (CC2430_2590-91EM_1_0.ZIP), in which the DE104iML PCB material is the one used. How important is it to use this exact material? What others PCB materials can be...
    on Jul 21, 2009

  • Forum Post: Re: PCB width and layers' quantity.

    Chris from Pinterec
    Hello Denis, This is Chris Pinter with Pinter Electronics Consulting. I am an RF Engineer and while offer you some suggestions. If you need to get a hold of me directly please visit www.pinterec.ca Honestly I think you might have some problems with this layout. I am concerned about the length of...
    on Oct 2, 2009

  • Forum Post: Interfacing BF532 (blackfin processor) to CC2500 transciever....

    karthik R47685
    hello everyone !! I'm doing my final year project and it deals with transferring photos taken from digital camera to a pc wirelessly.... So, I'm using a CC2500 transceiver (wireless) as a SLAVE & a BF532 blackfin processor as MASTER and visualDSP++ to write a c program for the blackfin...
    on Apr 17, 2010

  • Forum Post: Short range remote control - advise needed

    Ariel Stern
    Hello There, In one of my projects I am thinking about implementing a short range low power remote control. By short distance I mean less then 1 meter (3 ft). and I'm looking for system on chip in order to save costs. I have a very strict PCB size and layout constrains so I naturally...
    on Apr 24, 2010

  • Forum Post: Re: Inverted F antenna dimension in gerber file NOT consistent with that in Design Note !!! Help !!!

    Chris Hughes
    Hi matianfu, Did you ever resolve the issue with your own build of the board? How did your implementation work using FR-4 material and a 3 cm wide ground plane? Thanks, Chris
    on Jul 12, 2010

  • Forum Post: Re: SmartRF04EB problems

    jhony arvey
    Hi The SmartRF04DK comes with: 2 SmartRF04EB 2 SmartRF04EM (CC2500) 1 SmartRF04EM (CC2550) 2 Antennas We tested both of SmartRF04EM in the second SmartRF04EB (the good one) and they're good. We're almost sure that the problem is the SmartRF04EB (the bad one). Before first message...
    on Oct 10, 2010

  • Forum Post: Re: SmartRF04EB problems

    jhony arvey
    The EM contains the radio chip and all the necessary external components. The EMs contains a 26 MHz crystal with +/- 10 ppm initial tolerance and +/- 10 ppm temperature drift in the range 0 to + 50 °C. The load capacitors used are 16 pF. This is demage. A 56 kΩ 1% resistor is used to set up a...
    on Oct 16, 2010

  • Forum Post: Question about the frequency band of low power RF

    Xinpei
    Hello, I'm going to develop my wired collecting and controlling system into wireless one using TI’s low power RF product. The sampling rate of my system is 2kHz. The data rate is no less than 32 kbps. And the range of transmission distance is 10m indoors. Since the transceiver should be...
    on Nov 15, 2010

  • Forum Post: CC2510 Mini - Development Kit - Software Reset

    SEAN7191
    Hi, I am currently working with the cc2510 mini_development kit and would like to software reset when one of the button's is pushed. I am aware there is the RESET_N pin, power on reset and also a method to reset the board using the watchdog timer, however i am having problems trying to implement...
    on Nov 17, 2010

  • Forum Post: PCB antenna for CC2500

    Jack99
    Hi, With the CC2500 I am going to use the 2.4 GHz PCB antenna as described in the Application Note 043. I have a question regarding the circuit between the CC2500 and the antenna (the BalUn circuitry).. The CC2511 USB dongle reference design uses a JTI_2450BM15A0002 Balun, I cannot...
    on Dec 7, 2010

  • Forum Post: Re: Is CC430 compatible with IEEE802.15.4 standard?

    jan2809
    Hi Russ, Thank you for that explanation. I was confused after seeing an advertisement from Sensinode about their 6LoWPAN stack running on CC430. I had an impression that 6LoWPAN runs on top of 802.15.4 PHY and MAC. Am I right or not necessary? As I am investigating 6LoWPAN and 802...
    on Jan 10, 2011

  • Forum Post: PCB Material for 2.4GHz DE104iML

    Anubhav Gupta
    Dear TI, we at sumona consulting is developing a zigbee based dongle using cc2531 and cc2591.recently we have completed the layout and we have followed each and every thing suggested by TI in our layout,including copying the referance design.keeping same track length and width,copying the inverted...
    on Dec 29, 2010

  • Forum Post: Re: Is CC430 compatible with IEEE802.15.4 standard?

    jan2809
    TA, Jonas, Good to hear that TI is taking seriously that part of Low Power RF (6LoWPAN) and thanks for all the information provided. I contacted my local TI people (both Sydney and Melbourne) as advised by TA to ask for more info on CC1180, however they are struggling to find any. Would it be...
    on Jan 18, 2011

  • Forum Post: Re: CC2510 Problem: RSSI readings

    SEAN7191
    Hi Per H, sorry haven't got back to you quicker, work commitments took me away from this for a week or two. Yes I have read that doc. went through it carefully but still cant understand why I am getting a systemic error sometimes(-63dBm, -43dBm) and sometimes see large spikes in recorded RSSI...
    on Jan 28, 2011

  • Forum Post: CC2510 Problem: RSSI readings

    SEAN7191
    Hi, I am currently working with the CC2510DK-mini boards. My software currently sends a packet to a second node and records its RSSI value. It then switches to transmit and send a packet to the first node and it records the RSSI value it receives. Looking at the RSSI over a time-series I have noticed...
    on Jan 6, 2011

  • Forum Post: cc2533 RF4CE Basic Development Kit for XP 64bit

    valerio abate
    RemoTI-CC253xDK-1.2.1.exe starts after a wile the application tells me " Texas Instruments RemoTI-CC253xDK-1.2.1 requires that your computer is running Windows 2000 or Windows XP" My computer runs Windows XP 64. Can anyone help give me indications ?
    on Feb 2, 2011

  • Forum Post: Re: 802.15.4 transceiver module

    jan2809
    Hi, I would like to thank to everyone, who responded to my inquiry. I did put me on the right track and helped in solving the issue. best regards Jan
    on Feb 8, 2011

  • Forum Post: Re: RF Transmit and Receive Timings

    SEAN7191
    Hi SIMTech, I was wondering if you overcome your problems with accurate timings using the cc2510? I am trying to develop a similar application at present and having this timing issues as you discussed regarding the moment you enter RX(). apprecaite if you have any information as to how you overcame...
    on Mar 14, 2011

  • Forum Post: Re: USB protocol and CC2530 DK

    Philipp L��mmler
    i have the same problem... any clue how to fix it? a problem with the linker?
    on Apr 13, 2011

  • Forum Post: cc2530 configuration bits and cc programmer

    SOUFIANE MDAGHRI
    Hello I'm just starting with the cc2530. I'm trying to use the cc programmer on a onchip cc2530 and I'm having trouble figuring out how to set the cc2530's configuration bits. IF you could give me some pointers on how to do that.Any other tips for programming the cc2530 are appreciated...
    on Apr 20, 2011

  • Forum Post: Wixel - A New Development Platform for CC2511

    David Grayson
    Hello, I'm David from Pololu Robotics, and we recently released the Wixel , a programmable module based on the versatile CC2511F32 from TI. For $20, and with a built-in USB bootloader requiring no external programming hardware, I think this is a compelling alternative to the CC2511 USB Dongle from...
    on May 20, 2011

  • Forum Post: How to interface a CC2590 to a Nordic nRF24L01+ ?

    James A.
    on May 22, 2011
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