Low Power RF & Wireless Connectivity

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Low Power RF & Wireless Connectivity

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2.4 GHz
Related Posts

  • 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: Controlling Tx Power on CC2530

    Mustafa Karadayı
    Hi, We are using Z-Stack-CC2530-2.4.0-1.4.0 on SmartRf05EB Rev1.8.1.1. We want to control the transmit power without using CC2590/91. We found a pdf called: Choosing Optimal ZigBee Stack TX Power - swra218b.pdf which recommends defining "HAL_MAC_USE_REGISTER_POWER_VALUES" then writing these...
    on Jul 25, 2012

  • Forum Post: Re: AN: Antenna Selection Guide (AN058)

    Sathish Kumar5274
    Hi Richard, I need some clarification regarding antenna sharing with WLAN/BT combo modules provided by TI, for example WL1271 (WiLink 6.0). I knew that TI is providing WLAN/BT coexistence support for these modules but need some more information on establishing simultaneous connections (WLAN and BT...
    on Jun 9, 2009

  • Forum Post: Re: CC2430 with 0603 pasives

    Berto Otero
    Hello, I would like to know the Manufacturer Part Number of the various components that comprise the cc2430em because, for example, the coils with the definition that gives me the CC2430 reference design does not tell me the Self Resonant Freq among other data. And if any of you been able...
    on Apr 5, 2010

  • 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: cc2530 wake_on_radio

    fang li
    hi ,i want to konw whether cc2530 is supported by wake_on_radio.in your web site,it is listed as follows .but i did not find any describtion in the related datasheets.if they works so,then which power modes do they work. in the cc2530 datasheet , the cpu core stops operating in idle mode.so does the...
    on Jul 13, 2010

  • Forum Post: Re: CC2531 antenna design

    Richard Wallace
    The CC-Antenna-DK is now available which contains a couple of antenna designs that can be used here. Please refer to http://www.ti.com/litv/pdf/swra328 for the documentation and http://focus.ti.com/docs/toolsw/folders/print/cc-antenna-dk.html for more info about ordering the kit. The CC-Antenna-DK...
    on Sep 28, 2010

  • Forum Post: CC-Antenna-DK

    Richard Wallace
    Hi, The documentation to the Antenna kit has now been released on the internet: http://focus.ti.com/lit/an/swra328/swra328.pdf The main purpose of the Antenna Kit is to ease the decision for which type of low cost antenna can be implemented and an estimation of the performance that can be achieved...
    on Sep 6, 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: packet errors at 500kBaud

    Jack99
    Hi, I am using two CC2500s to send data from one device to another. As a test I am sending a 64 byte packet 500 times to test the bit error rate. About 90% of packets get through without any errors. My problem is that when a packet does have an error, it is much more likely that many more errors...
    on Nov 4, 2010

  • Forum Post: CC2510 RSSI Corrupt Reading

    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 Dec 1, 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: Meandered Inverted F Antenna Impedance question using CC2530 on a custom PCB

    JG62817
    I am making a PCB for my system and I am using the TI Small SIze 2.4 GHz PCB antenna reference guide . I am using the matched balun-filter that is specifically designed for the CC253X, P/N 2450BM15A0002. The CC2511 reference guide (link above) shows two resistors close to the feed point. What should...
    on Dec 15, 2010

  • Forum Post: 5v tolerant port in cc2531

    Anubhav Gupta
    dear TI, we at sumona consulting are developing a zig bee based USB dongle with battery backup.the battery charger ic selected is bq24026 .the interface controller is cc2531zig bee SOC with 3.3V vcc.my query is what is the volatge level of the STAT1 and STAT2 pins.can we directly interface these pins...
    on Nov 24, 2010

  • Forum Post: "cc2540,smartrf packet sniffer"

    shivakumar rgk
    i m fresher to TI chips, i m using cc2540 development kit. here i am using USB dongle as transmitter(cc2540USB master::C:\Texas Instruments \BLE-CC2540\Projects\ble\HostTestApp\CC2540\HostTestRelease) and keyfob as receiver (C:\Program Files\Texas Instruments\Packet Sniffer\General\Firmware\sniffer_fw_cc2540...
    on Dec 31, 2010

  • 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: 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: 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: 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: RSSI value reture from the LEMonitor.exe

    Ray Huang69901
    hi~ I am using the location solution from CC2431, and monitoring all the node info. by LEMonitor.exe. In the LEMonitor manual, RSSI value is derived in hex as user press "XY-RSSI-Req " button. I am wondering to know what is the unit about such hex value? It is indicated that such...
    on Mar 24, 2011

  • Forum Post: Best PCB antenna for half-sphere radiation at 2.4 GHz?

    Doughy
    I need to incorporate an antenna that has a half-sphere radiation pattern. I mean that I want the antenna to broadcast like an orange cut in half, all the energy to one side of the antenna, and as much rejection from the other side as possible. I would like to keep the antenna to a small area of PCB...
    on Apr 8, 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
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