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Tobias, As G?ran said, 8568 and 8566 are different design. I have no knowledge of 8568 so I can only speak for 8566. In 8566, if the frequency span is less than 5mhz, YTO is phase locked during the

I tried an external reference without luck. I guess it is time to dig into the problem.

Perhaps I was misunderstood. ?When I said a small sample of the desired color, I mentioned an inch and a half. ?That was a minimum size. ?I have taken entire front panels in for matching without a

One thing to note, is when the keyboard springs fail, the button feels dead, but can get stuck in a depressed position, which bothers the power on self test. If you have any dead keys, fix them

Thanks, I'll try the external ref. I have a 3586b sitting next to it and that has the 10Mhz Oven in it. Maybe I can just run that in? I haven't checked the 3586B output and the input into

First try the external reference again, to be sure whether the internal one is OK or not. In my experience, the (Ovenaire brand as I recall) OCXOs used in the 8566s have been quite unreliable (ovens

Hello, I have the subject conditions that started this morning when I powered on my previously flawless 8566B. I had used it with an external ref for a while, had flipped it back to internal

Lamont, CE-F F is Weighed Filter under CAL cards A21, A22, A70 If A60S2(2) is OPEN and an A70 impairments board (Option 003) is not installed, CE-F will always occur during the CAL Cycle. I have

Hi Folks, ? ?I'd like to revive this thread for an unrelated topic.? We're paining the interior of our house with "Pale Oak" from Benjamin Moore.? ?I was wondering if there is a way to match

I bought an HP3596B off EBay. I have a service manual on order. First thing I did was remove the leaky battery and thoroughly clean the PS board. It looks good, however if I look down to the edge

Just to be sure, I've changed the subject line.... DELETE THIS MESSAGE!!! A message purports to come from me this morning to various people and groups in my Yahoo mail list.? It is NOT from me.?

DELETE THIS MESSAGE!!! A message purports to come from me this morning to various people and groups in my Yahoo mail list.? It is NOT from me.? Delete it.? ?Do not click on the link in the

Yes, I found it very impressive. The phase lock loop design(20/30, M/N and YTO loops combo) is shared by 8340/41, 8566, 8672 and possibly other sweepers and SAs too. Learned a lot by studying the

Tobias, Look at page 9-49 in the 8568 service manual (Vol. 4). The section is called "RF Section Analog Troubleshooting". The problem you describe does not seem to me like it's YTO related. It

I have had a UPS store pack for me only once; the store, in suburban Minneapolis, did an excellent job with a large tube-type oscilloscope, getting it to me undamaged. Packaging and shipping to the

Hi, the HP8566 and HP8568 spectrum analyzers are two different designs. Both are well described in the HP Journals of that time. Quite impressive if you ask me... G?ran

[hp_agilent_equipment] wrote: Ah-HA! Thanks! -Dave -- Dave McGuire, AK4HZ New Kensington, PA

Hi Dave As far as I have learned, most HP YIGs are pretty similar. Have a look at the picture here https://hb9fsx.ch/wordpress/wp-content/uploads/2017/10/20171011_095836.jpg where you can see a YIG

LOL.. I was not trying to endorse anyone one. I have had good luck getting equipment from on line auctions. Some on this board, may be close enough to not needing anything shipped. This auction

Calvin, does that mean the YTO is unlocked during the sweep? Tobias