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May 09 2008

Technology Insights
Use a "Linkwitz circuit" to equalize a closed-box audio loudspeaker

The Linkwitz equalizer circuit lets you compensate for loudspeaker response and extend bass response

Additional Insights
  • "Also of Interest" and "Elementals" for May 5, 2008

  • Calculating power consumption in high-speed systems

  • Power management in mobile devices--A view of energy conservation--Part IV

  • Multirate DSP, part 3: ADC oversampling

  • Statistical Range Analysis in RF Systems: the "Range Fallacy"

  • Increasing RS-485 Networking via Receiver Equalization

  • The basics of control system design: Part 6 - Tuning PID+ and PD controllers

  • Signal Chain Basics (Part 13): Putting the Bode plot to use

  • more features 

    Quad multipoint-LVDS transceiver targets ATCA/MicroTCA backplanes

    National Semiconductor claims the DS91M040 is the industry's first quad multipoint-LVDS transceiver designed for backplane clock distribution in ATCA and MicroTCA line cards.

  • Dual ADC drivers deliver guaranteed matching, low noise
  • 3G PA delivers power required by EGSM platforms in Europe
  • CMOS motor drivers provide high integration
  • Solar array simulator delivers high power, small package
  • Class-D audio amps boost volume, output power for portables
  • Triac drive optocouplers deliver best-in-class noise immunity
  • ON Semi enters frequency control market with PLL-based clock modules
  • High-frequency crystal oscillators provide frequency-margining control
  • more products 

    Top Story
    Returns of the consumers
    The consumer electronics industry has a massive and escalating problem on its hands in the realm of product returns.
    Also in the News
  • Actual data shows March global chip market up 7.3%

  • HP Labs calls for university proposals

  • RFMD cuts jobs, exits select wireless areas

  • IETF kicks off routing effort for sensor nets

  • Commentary: Engineers need an image makeover

  • Raytheon Exoskeleton brings 'Iron Man' to life

  • CEO interview: Microchip's Steve Sanghi ponders impact of a lousy economy

  • Home nets in the fray

  • more headlines 

    When software isn't the solution

    Sometimes, software and algorithms aren't the solution to calibration and accuracy issues. . . .Bill Schweber, Planet Analog Site Editor
    more 

    more columns 



    Indian design business reached $6 billion
    India's design services market grew to $6 billion in 2007, up from $4.6 billion in the previous year, according to a study by the India Semiconductor Association. The design sector is expected to grow by over 21 percent during the next three years on a compounded annual growth basis to $10.96 billion.

    In 2007, VLSI design services employing 13,900 workers accounted for $766 million of India's total design services, while hardware and board design services employed 9,400 workers and accounted for $386 million. Embedded design services, employing 106,000 staffers, constituted the major part, with $4.9 billion.



    How many trade shows/conferences/events will you attend in all of 2008?
    None
        33%
    One to three
        33%
    Four to six
        0%
    More than six
        0%
    Don’t know
        33%

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