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Re: S/N 0994 receiver internal noise

 

I did some static testing of the DROK regulator module and it was interesting. I wrote about it on my blog here…?

Suffice it to say though that the DROK is better. About 1/2 the noise from what I could tell. Maybe more but it was hard to tell due to the randomness of the noise. I also have 4 spares if anyone is looking for one for their radio that I could see reasonable.?

David - WK4DS?



On Wed, Jul 10, 2024 at 15:38 AE9J via <merrow.jeff=[email protected]> wrote:
On Tue, Jul 9, 2024 at 02:06 PM, Kb4yho wrote:
Dont need “what worked for me” comments.
Whats the solution?
Could you post a picture of your waterfall with the noise?? Maybe with the band spread set to 25K with a dummy load or no antenna attached?

I mean if you have your IF GAIN cranked to 100% on 40M or 80M you might have a lot of noise.? But, that would be true of a lot of radios.

I did replace my 5V regulator and that did help reduce some of the background noise.? But, my V3 is pretty quiet and has a great sounding receiver.

I'm sure the Raspberry PI sitting next to the receiver front end does produce some noise.? But most SDR's have a computer of some sort inside.

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