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HP 35680A
I came across an HP manual marked 35680A on a well known auction site.? A brief search does not seem to return any hits. Anyone in the group know what it is?? Seems like it might be some sort of low
By Peter Brown · #151818 ·
Re: HP Basic for Windows 6.33, printed documentation
In case this is of use for others at some point Whilst I was able to install and use HP Basic 6.33 on machines with recent 64-bit operating systems, I was not able to save programs in a windows
By Peter Brown · #151817 ·
Re: HP 8591e Power supply
Hi Georges, I have a HP8595E with a problem of power supply. The power supply doesn't start when the line switch is on, all the power-supply LEDs remain off. I check the shematic diagram and i find a
By yannick.clolus@... · #151816 ·
Re: (OT) Affordable PCB fabrication (-> tariffs/US...)
Hi Anders, That's a good point. I have noted Aisler. Thanks. Renaud
By Renaud F5ZR · #151815 ·
Re: (OT) Affordable PCB fabrication (-> tariffs/US...)
I used to use PCBWay, but switched to Aisler since I am in Europe. They take KiCAD files directly and prices are reasonable. For me it is an ethical issue as well. Greater chance that EU suppliers pay
By Anders · #151814 ·
Re: HP34401 Multimeter - 4 wire mode wont zero
I would blame the switch. Over the years, I have found front/rear selector switch problems on most of my higher resolution DMMs that have that feature, and I have deleted it where possible. If you
By ed breya · #151813 ·
HP34401 Multimeter - 4 wire mode wont zero
Hi all, I hadn't used my HP33401 on 4 wire mode in years and I suddenly needed it to measure some current shunts when I noticed an issue. On 4 wire mode, with the leads shorted, on 6 digit mode, it
By Tim Tuck · #151812 ·
Re: (OT) Affordable PCB fabrication (-> tariffs/US...)
My boards are about 150x150mm and about 100x200mm or so, and so OSH Park is out of the question (price would be prohibitive, and worse, no volume discount...). For small projects, though - small sized
By Radu Bogdan Dicher · #151811 ·
Re: (OT) Affordable PCB fabrication (-> tariffs/US...)
I never send PCB orders offshore. For "work work", my customer requirements nearly always involve domestic production. For prototypes, personal projects, or other low-volume stuff I usually use OSH
By Dave McGuire · #151810 ·
Re: (OT) Affordable PCB fabrication (-> tariffs/US...)
I've checked the non-chinese suppliers. 4 layer PC boards, 100 mm square, (right at the price point inflexion), black, HASL.? $7.00 for the board, $4.50 or so for the color.? Shippping (DHL) roughly
By Harvey White · #151809 ·
Re: (OT) Affordable PCB fabrication (-> tariffs/US...)
Still hoping for some good input. Or maybe everyone's hunkering down waiting for this to blow over? Or maybe everyone stacked up for a smooth transition through some months of turbulence? Thank you,
By Radu Bogdan Dicher · #151808 ·
HP8595E power supply
HI, I have a HP8595E with a problem of power supply. The power supply doesn't start when the line switch is on, all the power-supply LEDs remain off. I check the shematic diagram and i find a diode
By yannick.clolus@... · #151807 ·
Re: HP8756A possible CRT subs?
For a 1345A replacement look at a Symmconn labs Newscope 5 http://www.simmconnlabs.com/1401/2501.html Robert.
By Robert G8RPI · #151806 ·
Re: Clorox Wipes & Magic Erasers
I wouldn't use either Clorox (bleach), or magic erasers (abrasive). Would start with warm soap and water. If grimy, I would use Joy dish soap or Dawn dish soap. If not grimy, I think car wash soap
By VE6WMR · #151805 ·
Re: HP 8510C with 8340A?
Hello Folks, thank youse all for the help. Now let me see if I can get the unit in ;) As for the ECAL: no need for that, here. We do a HissCAL (tm) instead, allowing Annette to bleed off excess energy
By Tam Hanna · #151804 ·
Re: Clorox Wipes & Magic Erasers
I like foaming cleanser (amberclens or equivalent) for textured surfaces. Not much else gets into the creases without leaving a residue. For plastics, there's a set of polishes used by pinball
By Adrian Godwin · #151803 ·
Re: HP8756A possible CRT subs?
Interesting. Scalars are MUCH quicker to use and my first choice. I have 8720, 8510C, 8722A, even old 8410C stuff, but I hardly use them because I rarely need to measure phase. My go -to is an 8757C
By Jeff Kruth · #151802 ·
Re: HP8756A possible CRT subs?
Easy: if you do not have a vna to 20+ GHz for example. Like me.... I use it quit often. Harke
By Harke Smits · #151801 ·
Re: HP8756A possible CRT subs?
Yes Tom, I have done CRT rejuvenation before with some success. About ten or so years ago I did experiments on some junkers, and an actual fix on a Tek 576 CT that's still working well. I was hoping
By ed breya · #151800 ·
Re: HP8756A possible CRT subs?
What would you use a scalar analyser for these days? The only place I've seen them still in use in recent years is older microwave antenna measurement ranges. Those were old existing facilities.
By Robert G8RPI · #151799 ·
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