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Type: Posts; User: robjohn

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    Hi Frank DD4WH I would like to make use of...

    Hi Frank DD4WH

    I would like to make use of your AM_demod header.
    Is it a simple matter of adding the .h .cpp files for compiling and adding the audioconnection code with a switched output path...
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    This link is very helpful......

    This link is very helpful... https://www.youtube.com/watch?v=bsVA_N6a9pY (Homebrew SDR Receiver Part 4 - Notes on Si5351, LCD, Rotary Encoder and Filter Design)

    Time to buy some Teensy hardware...
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    Hi DerekR The 74c74 does a clean job too and so...

    Hi DerekR
    The 74c74 does a clean job too and so cheap, but well thought out. What's 80m though?

    More interesting is your "SDR-in-a-block" comments. For people like myself who go as far as writing...
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    Ah, thanks for the link. A lot of comments there....

    Ah, thanks for the link. A lot of comments there.
    General opinion is that the device is good for SW receivers. It's true that the PLL's are slow to lock, so this should reflect when tuning, but I'm...
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    Hi Frank I am assuming the Si5351 behaves...

    Hi Frank

    I am assuming the Si5351 behaves similar to softrock Rx (Si570) which i have played with and found tune stepping to be somewhat clunky, time to settle. These are dual PLL's with up to...
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    Hello! Have spent some time reading about this...

    Hello!

    Have spent some time reading about this SDR project with the plan to build a shortwave radio.
    As an RF engineer, all is fine up to the iq feed into the ADC. I would use the AD9850 series...
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