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Where are you located? I can probably loan you a set so you can check out the SA and decide whether or not to spend money on it. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

wow, TU all very much for that information and tips. I had no idea they could be so difficult/expensive to obtain. I could not inspect the unit before purchase ( defense auction) and I have always

[hp_agilent_equipment] <hp_agilent_equipment@...> wrote: I'll second using the GLK cables. I have one of their coax-interconnects. Remember you need the 4-pin version for an 8568B. I got a

Gah, you can pay more for the cables than the SA. It is possible to make them up yourself, if a bit tedious. The bus cable is not straight through, but it is documented in the service manual. The

Those cables are usually dear. Here is one source for both cables: http://www.glkinst.com/cables/hp_cables.htm#856x Otherwise, you should keep an eye out on ebay for a possible good deal that

I recently purchased an HP-8568B 100 Hz to 1.5 GHz SA with matching display and am very excited about it. But unfortunately the two required interconnecting cables for the rear connections were not

Gang, I have found a couple of NOS HP CRTs and I can find very little info on them. I suspect they are from old oscilloscopes. They are 5083-5072 and HAR 81149. Does anyone know what equipment used

Dennis: I have a couple I can send you.... Dan in Chandler, AZ

Hi Alexandre, Do you still have the disk image HP16505A_X.img ? Thanks!

Hi - I have a cover. Send me your address and I'll mail it to you no charge. Dan in Chandler, AZ

I am working on an 85101B Display Processor for use on HP 8510 Network Analyzer. The Focus Gate Amp uses two of these 1854-0404 SI NPN @ Q13, Q14 both FUBAR. Before I purchase these on line, if

I am working on an 85101B Display Processor for use on HP 8510 Network Analyzer. The Focus Gate Amp uses two of these 1854-0404 SI NPN @ Q13, Q14 both FUBAR. Before I purchase these on line, if

Thanks Ed, I have sorted out a few things. The drawings in the manual of A9 are back view but can be mistaken for front views because the transistors are drawn that way. This makes the schematic

I just noticed the original posting - it looks like the frequency is reasonably close, but amplitude is way off. Depending on the band (N), it could just be that alignment is needed, once the basic

I agree - YIG coil loads on the supply may be dragging it down. But first, does it produce the right frequency at lower settings where the problem doesn't show? This would confirm that the coil drive

The test sets were designed this way on purpose. There are test fixtures with a fixed spacing that are designed to mate with the front panel of the 85047, and one port had to have some slop so that

Good thought Dave, this is where I’m headed next but it is difficult without a proper schematic. My manual (download) has a whole lot of extra stuff at the end of the manual that I did not print.

To me this further suggests a power supply problem. A

New clues: I started through the Section 5 adjustments and got to 5.2 step 7 with minor adjustments. Entering 13.5 GHz freezes the displays. They start to flicker at 13.370 GHz. I can no longer select

Happens on my 85046A 3GHz unit also. John G3UGY Thanks both for the reassurance, So it looks like it was designed to do that then. - Charles