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Elecraft K3 - New DSP Load For Improved AGC

Discussion in 'Ham Equipment' started by W6NIA, May 6, 2012.

  1. W6NIA

    W6NIA Member

    May 10, 2010
    Likes Received:
    Based on feedback from DXpedition users, Elecraft has significantly
    improved the K3's DSP AGC. The AGC threshold can now be set much
    higher, allowing more "headroom" for tightly-packed signals at similar

    They've also eliminated the slightly "scalloped" (non-monotonic) AGC
    curve. The resulting AGC curve is very smooth, so signals right at the
    threshold can't be modulated by AGC onset.

    Early testers have reported excellent signal clarity in pile-up
    conditions. The new code (rev 4.50 or later) is expected to be
    released to beta next week.

    <summary of the K3's new AGC algorithm in DSP firmware, results from several Elecraft lists and reflectors>

    matt W6NIA / NNN0UET
    1 person likes this.

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