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Also, it appears if you have manual control of your preset DAC’s then you can manual tune the DAC 0 to max (it sounds like you have 2040 bit DAC’s if 1019 is your center). Monitor the YIG freq.

<sound of bits chasing each other.... a lot like crickets.....> What I've found on the lower (16700 series) LA's is that the deep capture is not as useful as you'd like. 2M samples X 16 or more

I have not had to deal with freq. tune issues in an 8753, but did have to deal with them in 8566 and 8340 repairs. There are coarse adjust for both the high and low end freq. tune points measured in

Thanks Harvey! Now what should I do with the other 554 channels? <big grin> Keith

It would have to be avalanche rated for the amount of energy I suppose, at a high enough voltage.? A diode would also limit the pulse amplitude on the high voltage winding. Peter

Umm don't you need a damping diode on the coil. Not sure how the FET can withstand the inductive kick. Regards Paul WB8TSL

<keith@...> wrote: I spent some time figuring out how to modify the installation scripts a while ago to do a recovery installation on a 1680 series. I was able to get CD recovery

Thank you for your description and great photos. I have rewound transformers, the key is being able to open them up to where you can remove the old windings and do the rewinding, while counting turns

Grant, Please see responses in-line. That worries me as someone who runs their own mail server(s). Is it because you didn't change the groups.io deformation of my email address that used the = sign?

Same here! Thanks so much for your ESSENTIAL help! Peter

<keith@...> wrote: I took a look at the 16903A on my bench at the moment. The driver and .INF file that are preinstalled only include PCI Device & Vendor ID matches for the

Glen, Yeah, I was sent 16900-14121.ISO, and 16900-14122.ISO (for the BIOS upgrade). That's all I really needed for the 16900A.

Glen, Thanks again for your comments. Responses-inline. Yeah that's what you had said on the previous thread, which is why I opted for a Sil3114A. Surely the drivers are the same or close for the 3112

Debugging I2C communications between microprocessors: 8 channels for data, roughly 8 channels for status (start/stop/first byte, ack/nak, etc per byte) 8 channels (roughly) for message byte count,

That's great ... for you. Not so great for me. Now I have no reason not to work on my taxes. V.

Test 48 now passes.? The analyzer seems to be operating correctly! Wow. I'm going to need to do a writeup on what I found; what was significant and what wasn't, so this can be useful for others in

I looked and looked and turned up a K&L 2 GHz LPF. The procedure is not the clearest but I identified what seemed like the right spur, the screen looked somewhat like the one shown, and with that one

The manual says this: If you have a 1 GHz low pass, try it. I think I once did it with a 1.8 GHz low pass. Note, there is a filter-less Test 54 procedure in the manual too, but it looks a lot less

Ok, I will do this test. Where can I find the actual specs for this filter?? Online I see reference to it being a 1.9 GHz LPF, in the manual it shows in in a diagram as a 4.1 GHz LPF, and the other

You do need to check that before you do more esoteric troubleshooting. If the 3.8 GHz oscillator is off, then for a given YTO frequency the IF will be off too. Too much IF error, and the YTO loop will