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Type: Posts; User: Les_2020

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    Bill, thanks for the hint on the sample rate. I...

    Bill, thanks for the hint on the sample rate. I changed from 256K to 192K and I have very good FM reception - made a huge impact. I had the same overwhelming noise level on FM at 256K sample rate....
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    Hi Karlchen, noted with thanks.

    Hi Karlchen, noted with thanks.
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    Karlchen, Frank (WW4DH) thanks for your reply....

    Karlchen, Frank (WW4DH) thanks for your reply. I'll try changing the sampling capacitors.
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    DD4WH, Frank_B, and Team, I need some ideas and...

    DD4WH, Frank_B, and Team, I need some ideas and pointers to get my SDR working fully on WFM. I built the Jori's front-end and previously posted a picture of my setup, which works fine on all bands...
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    20671 So, here’s my latest build. • I took...

    20671

    So, here’s my latest build.

    • I took the main board design from gmaii in post #376. I like the idea of using a I/O expander, makes connecting the T4 much easier. Instead of the PCA9674,...
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    Karlchen, thanks for the great input. I certainly...

    Karlchen, thanks for the great input. I certainly will give it a go. In the meantime I ordered another front end from QRP Labs and I'm waiting for the arrival and putting it to a test. Back to your...
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    Hi WH7U, thanks for the exhaustive answer on the...

    Hi WH7U, thanks for the exhaustive answer on the capacitors for the receiver board. Once my receiver board turns up, will try to values you're suggesting and report back.
    br, Les.
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    WH7U, did you progress with the improvements for...

    WH7U, did you progress with the improvements for the QRP receiver board? Anything you could share ?
    Thanks, Les.
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    Thank you for the responses. I'm not gonna modify...

    Thank you for the responses. I'm not gonna modify / upgrade the Elektor board, will be using it for SW broadcast reception. I'm hunting for a better front-end, already ordered the QRP lab receiver.
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    WH7U, thanks for the update on the QRP Labs...

    WH7U, thanks for the update on the QRP Labs receiver. I just ordered one.

    Coming back to my Elektor board struggle, I made some progress in figuring out why I don't get WFM reception on it.. ...
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    Unfortunately, no luck with varying the...

    Unfortunately, no luck with varying the calibration constant. Still, I'd be interested to know what your process is to arrive at the correct number. I was looking at the I and Q signals on the...
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    Thanks Frank B. Yes I did enable that constant....

    Thanks Frank B. Yes I did enable that constant. I've been using Si5351 in other projects and understand how to calibrate them (I think). I worked out the calibration constant for my Elektor board...
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    DD4WH and Frank B, thanks for your prompt...

    DD4WH and Frank B,

    thanks for your prompt reply and proactive comments. I had the correct Si5351 library loaded and xtal frequency selected. I worked a little longer on my setup, connected a...
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    WH7U welcome to the forum, let me see if any...

    WH7U welcome to the forum,

    let me see if any of my suggestions help. I'd say please check your the graphics library you use and the wiring. When you say you load the latest version, I take that...
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    Greetings everyone, I've been trolling here for...

    Greetings everyone, I've been trolling here for sometime but this is my first post, yes, with a question. First, thank you for the fantastic project, truly amazing contribution from everyone. I got...
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