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Which solder joints did you reflow to address the sidetone issue? I’m still having a strong band-dependent ‘knock’ at the end of each character. Wondering if a bad solder joint could be a

Thanks Dan, I have done that and doesn't seem to make much difference. I haven't been able to get back to it yet but I'm inclined to think it's more of a common mode issue. I'll keep you updated.

Also, to rule out the power supply itself, try running on battery power to see if there's a difference. -- 73, Dan - W2DLC

Hi Steve, I suppose I could do that. I did update the ticket with more info at one point and have tried emails but not a single response to any of those. Peter

Given the observations you made, using a common-mode choke on the antenna feedline could be a solution. A common-mode choke can help suppress common-mode noise by preventing it from entering the

It is not my analysis beyond eyeball.? Not a debate for me. Unterminated transformer has a reflected condition that with dependencies will be reactive and op amps dislike reactive loads. Adding

These kits are, of course, legal, as the K3NG code is free and open source. But it's equally true that the sellers of these kits are required to make any changes that they make to the code publicly

Martin, Check L503 to see If it has been damaged ( open circuit). JZ KJ4A

A slight diversion if I may. I've been following this thread and have come across several K3NG clones that seem "less expensive" than I can source the parts? There are also several clones out there

Unfortunately iFTx still needs work doing it to make it functional out in the field, whilst it is possible to fudge your way through making data contacts, the data exchange regularly fails and when it

Roger KF9D via groups.io kirjoitti 5.3.2024 klo 16.31: I downloaded the application - RX works fine, but TX does not send!? I

Why do you say there is no input bias?? There appears to be a divider from +V on pin 8, via the 1kR under the chip to the second 1kR and bypass cap to the left of the chip.? Pins 3 and 5 look like

Here's the page I used to convert one. Think O paid about $25 US for it. https://www.rchelicopterfun.com/dps-600pb-build.html John KY4WW Get Outlook for

I advise against the little buck/boost converters currently available from Amazon and other places.? I wasted many days chasing intermittent problems on a U3S that all instantly went away when I

Just wanted to share what I ended up doing for my latest QDX build. This is the first of 3 I intend eventually to operate remotely and probably into a Hardrock 50, so reliability is key. I'm loving

I have been using a repurposed server power supply for my shack.? ?They are very cheap on Ebay. I bought three of them. think I paid $20 each.? They provide up to 55 amps of power.? ?They're

I have used the iFTx app along with a lightning connector to usb adapter to successfully operate FT4/8 with the iPhone and QMX.? The first adapter I purchased did not switch the audio path to the

I have used iFTx with success on a QMX with .17 firmware and adapter cables for lightning to USB camera?and USB to USB C to plug into the QMX. I put a clamp on ferrite on the QmX end.??You have to

Peter -- in that case, and assuming that the ProgRock2 hadn't been connected to anything else either simultaneously or previously, and assuming that there was nothing wrong with the USB port or the

There is an app called iFTx , but you have to pay for it. However, I ran into the usual Apple restrictions on data leads not recognised on my iphone/ipad. Best of luck. 73 Ken g4apb