Low Power RF & Wireless Connectivity

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Low Power RF & Wireless Connectivity

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  • Wiki Page: DN507 FEC Decoding

    Glenn B
    The CC1100, CC1100E, CC1101, CC1110Fx, CC1111Fx, CC1150, CC2500, CC2510Fx, CC2511Fx, and CC2550 all implement FEC encoding and decoding in HW. The purpose of this design note is to describe how one can implement the same FEC decoding in SW. This is in particular very important for the CC430Fx device...
    on Feb 24, 2012

  • Wiki Page: DN506 GDO Pin Usage

    Glenn B
    CC1100, CC1101, and CC2500 have three digital output pins, GDO0, GDO1, and GDO2, which are general control pins configured using IOCFG0.GDO0_CFG, IOCFG1.GDO1_CFG, and IOCFG2.GDO2_CFG respectively. There are several different signals that can be monitored on the GDO pins and hence be useful for the MCU...
    on Feb 24, 2012

  • Wiki Page: DN504 FEC Implementation

    Glenn B
    This document gives an overview of the FEC implementation in the CC1100, CC1101, CC1110, CC1111, CC1150, CC2500, CC2510, CC2511, and CC2550. http://www.ti.com/lit/swra113
    on Feb 24, 2012

  • Wiki Page: DN503 SPI Access

    Glenn B
    The purpose of this design note is to show how the SPI interface must be configured to be able to communicate with the CC1100/CC1101/CC1150/CC2500/CC2550. It also shows how the status bytes should be interpreted, how SW reset is done over the SPI interface, in addition to describing the different SPI...
    on Feb 24, 2012

  • Wiki Page: DN502 CRC Implementation

    Glenn B
    This document gives an overview of the CRC implementation for the CC1100, CC1101, CC1110, CC1111, CC1150, CC2500, CC2510, CC2511, and CC2550. http://www.ti.com/lit/swra111
    on Feb 24, 2012

  • Wiki Page: DN501 PATABLE Access

    Glenn B
    The CC1100/CC1101/CC1150/CC2500/CC2500 all have an eight bytes long PATABLE used for selecting PA power control settings. This design note will describe the different ways the PATABLE can be accessed and how the PATABLE for CC1150 and CC2550 is slightly different than it is for the CC1100, CC1101, and...
    on Feb 24, 2012

  • Wiki Page: DN500 Packet Transmission Basics

    Glenn B
    The CC1100/CC1101/CC1150/CC2500/CC2500 all have extensive built-in packet handling support in hardware. This is to make it easier to implement packet oriented radio protocols in firmware. However, it can sometimes be difficult to know what features to use for a specific application. This design note...
    on Feb 24, 2012

  • Wiki Page: DN300 SmartRF04EB Troubleshooting

    Glenn B
    This design note describes troubleshooting guidelines to solve problems related to communication with the SmartRF®04EB. A list of checkpoints presents questions that are normally asked when providing support for SmartRF®04EB. http://www.ti.com/lit/swra105
    on Feb 24, 2012

  • Wiki Page: DN032 Options for Cost Optimized CC11xx Matching

    Glenn B
    The CC1101EM 868-915 MHz reference design uses Murata LQW15A wire wound inductors. This design note gives measurement results of maximum output power, harmonics emission, and TX current consumption using wire wound inductors from 6 different vendors. The inductors tested were: • Murata LQW15A [3...
    on Feb 24, 2012

  • Wiki Page: DN024 868 MHz and 915 MHz Meandering Monopole PCB Antenna

    Glenn B
    This document describes a PCB antenna designed for operation in the 868 MHz and 915 MHz ISM bands. http://www.ti.com/lit/swra227
    on Feb 16, 2012

  • Wiki Page: DN023 868 MHz and 915 MHz PCB Inverted F Antenna

    Glenn B
    This document describes a PCB antenna designed for operation in the 868 MHz and 915 MHz ISM bands. http://www.ti.com/lit/swra228
    on Feb 16, 2012

  • Wiki Page: DN017 CC11xx 868/915 MHz RF Matching

    Glenn B
    This design note gives a short introduction to RF matching and important aspects when designing products using the CC11xx parts. Since all the CC11xx parts have the same RF front end, the same matching network can be used between the radio and the antenna. Texas Instruments provides a reference design...
    on Feb 16, 2012

  • Wiki Page: DN016 Compact 868/915 MHz Antenna Design

    Glenn B
    This document describes an antenna design that can be used with all transceivers, transmitters, and SoC from Texas Instruments which are capable of operating in the 868 and 915 MHz band. The antenna has been implemented on a USB dongle with CC1111 [1], which is a sub 1 GHz SoC with USB controller...
    on Feb 16, 2012

  • Wiki Page: DN012 Programming Output Power on CC1100 and CC1150

    Glenn B
    The CC1100 and CC1150 RF output power level is set by the PATABLE register setting. This register setting also influences the power levels at the different harmonics and the current consumption for the device. These parameters must therefore be considered when choosing the optimal register settings....
    on Feb 16, 2012

  • Wiki Page: DN008 868 MHz and 915 MHz PCB Antenna

    Glenn B
    This document describes a PCB antenna designed for operation in the 868 MHz and 915 MHz ISM bands. This antenna can be used with all transceivers and transmitters from Texas Instruments, which operates in these frequency bands. Maximum gain is measured to be 4.6 dB and overall size requirements for this...
    on Feb 2, 2012

  • Wiki Page: DN006 CC11xx Settings for FCC 15.247 Solutions

    Glenn B
    FCC CRF part 15.249 restricts the fundamental radiated power to 50 mV/m at 3 meters distance (-1 dBm EIRP) in the 902-915 MHz ISM band in the US. FCC 15.247 specify additional requirements that allows the application to increase the output power above what is specified in part 15.249. There are in general...
    on Feb 2, 2012

  • Wiki Page: DN509 Data Whitening and Random TX Mode

    Glenn B
    This document gives an overview of the data whitening and random data transmission circuitry in the CC430, CC1100, CC1100E, CC1101, CC1110, CC1111, CC1150, CC2500, CC2510, CC2511, and CC2550 devices. http://www.ti.com/lit/swra322
    on Feb 2, 2012

  • Wiki Page: AN069 Low Cost Long Range One Way Audio Communications at 900 MHz

    GrantC
    This design implements a one way audio link, based on the Texas Instruments CC1150 (transmit only), CC1101 (transmit/receive), and the MSP430F2232 microcontroller. The system consists of a ‘transmitter’ card and a ‘receiver’ card, and operates in the 900 MHz band (868 –...
    on Jun 15, 2011

  • Wiki Page: AN098 Layout Review Techniques for Low Power RF Designs

    GrantC
    This application note provides guidelines to successfully copy TI CCxxxx LPRF reference designs and illustrates important RF PCB design concepts for a successful RF PCB layout. It provides steps to lay out an RF PCB and review the final design before sending to the manufacturer. The note also discusses...
    on Jun 15, 2011

  • Wiki Page: Strobe command SPI timing for CC110x/CC1150/CC2500/CC2550

    Kjetil
    Q: FAQ: Strobe command SPI timing for CC110x/CC1150/CC2500/CC2550 by 611949 A Strobe command can be issued immediately after the preceeding Strobe command, provided that the preceeding Strobe command has been completely transfered over the SPI interface. However, note that for SPI clock speed above...
    on Nov 22, 2010

  • Wiki Page: Manchester encoding / decoding in synchronous serial mode.

    Kjetil
    Q: FAQ: Manchester encoding / decoding in synchronous serial mode. Manchester encoding/decoding can be enabled in synchronous serial mode, but the number of dummy bits needed to be sent at the end of a packet must be doubled. When using synchronous erial mode, the TX latency (the time from sampling...
    on Nov 22, 2010

  • Wiki Page: Fixed vs Variable Packet Length Mode (CC1100,CC1101,CC1150,CC2500,CC2550)

    Kjetil
    Q: FAQ: Fixed vs Variable Packet Length Mode (CC1100,CC1101,CC1150,CC2500,CC2550) Using fixed or variable packet length when all packets have the same length. The advantage of using fixed packet length would be that the payload does not have to contain a length byte. That way packets can be one...
    on Nov 22, 2010

  • Wiki Page: Connector on CC EM modules

    Kjetil
    Q: FAQ: Connector on CC EM modules The PCB connector used on the EM (Evaluation Modules) for the chips mentioned above is: Samtec TFM-110-02-S-D-K-A. The connectors are 1200mils apart (centre to centre). More details, including the recommended footprint, can be found on: http://www.samtec.com/ftppub...
    on Nov 22, 2010

  • Wiki Page: Samples of LPRF devices

    Kjetil
    Q: FAQ: Samples of LPRF devices For samples of LPRF products, please see the following for direct sample requests: http://www.ti.com/home_b_samples
    on Nov 22, 2010

  • Wiki Page: RF Testing in production

    Kjetil
    Q: FAQ: RF Testing in production The prototypes and the first batch should go through qualification testing. For later batches, samples can be submitted to qualification tests and remaining devices to production test. The level of testing must be seen in connection with cost and consequence of failure...
    on Nov 22, 2010
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