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Hi Robbie, all You divide by 100 if what you measured is V-Peak. You divide by 400 if what you measured is V-Peak-to-Peak. So the question all comes down to, did you measure V-Peak or V-Peak-to-Peak?

I'm flummoxed as to where I got the 400 value from. I can only guess it's an errant value stored in my brain from when I did the full license exam at the end of last year. Oh well you learn from your

The requirement was essentially how to stop the user running an existing PA and a new QDX on different bands, because let's face it, users are stupid and do stupid things! The solution offered works

The other issue that I see in taking any kind of reservation fee is that implies delivery within a time frame.? ?We still do not have a target date for the QSX, and this is years later.? With the

On Mon, Dec 20, 2021, at 04:26 AM, Andy wrote: > > Assuming you have a have 2 spare IO pins.... (and I haven't looked to see > if the PA needs a PTT signal or switches to TX when driven by some RF) >

And, looking at the extremely fine manual I see two charts that save any miscalculation errors:-) 73 Alan G4ZFQ

Cheers Robbie. Happy Christmas. Roger 8P6RX ?Get BlueMail for Android ?

Thks Hans, Will go for option 2. 73 Ronald

OK, so set it to whatever you think the maximum might be ($75, $100, whatever), and cover the fees and unexpected contingencies. And when you see how the pricing falls out, either include (unlock)

Lol, you're correct Roger, no wonder it didn't get any better after I'd replaced the BS170s/ACT08 ha ha. I don't half feel a fool now for getting the formula wrong all this time! You've made my day -

Thank you Hans for this update! Although this means probably that with #52777 I didn't manage to get one although I got an Email saying "Status update: completed" OK, lets see when the dust has

If it is a Qrplabs dummy load, the manual says the formula is V-squared divided by 100, not 400. So you are getting about the correct 5 watts! 73 Roger 8P6RX ?Get BlueMail for Android ?

Hi guys, I've just had the chance to have a closer look at my QDX, mainly to see why, to me, it's only outputting half power. I've changed all the BS170s, and IC5 and the issue still remains. I've

Hi Andy Nice. That's an opinion worth a lot more than $0.02 73 Hans G0UPL http://qrp-labs.com

Hi Willie Maybe... but it is difficult to know what the price is going to be. In the "old days" (2019 and earlier) this would all be easy. Now, not so much. The other problem with Kickstarter is the

Hi Nicholas My estimate of the cutoff is 52740. But I won't know for sure until the dust settles. 73 Hans G0UPL http://qrp-labs.com >

One possibility would be a Kickstarter or equivalent (even just a preorder using your existing system), which would not only give you some idea of the demand, and raise some funds ahead of time, but

Hi Hans I am order number?#52753 is there any hope that I may have been successful? Thanks Nicholas

Assuming you have a have 2 spare IO pins.... (and I haven't looked to see if the PA needs a PTT signal or switches to TX when driven by some RF) 1. Make the user fit a link to indicate the PA is

Hi Mark At the moment I don't have an expected date for batch #3. The AK5386 ADC chip is now obsolete, following not just the ongoing global semiconductor supply issues, but also the fire that