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Date
Re: HP3325 - no output, but sync works
Some of these use one of the relays for Front/Rear output. If the wrong output is selected, you have no output. I am looking into a small run of new A23 compatible boards, with modern surface mount
By Michael A. Terrell · #103612 ·
HP/Harrison 6525A Service Manual with Schematics
Does anyone have the above manual?? All the ones I am able to locate are missing the schematics.? There are some on ePay but they are ~40-50 dollars, and those are from Phoebe's Manuals which is not
By Harold Foster · #103611 ·
Re: A dirty way to get more frequency resolution out of a signal generator
Some 3325 generators have the Option 001 OCXO, others don't.
By Michael A. Terrell · #103610 ·
Re: HP419A Unable to correctly adjust the chopper waveform
This has been a fascinating thread.? Recently watched Dr Carlsons Lab ( https://www.youtube.com/watch?v=vrmwql2msbU ) video on his HP 419A LED upgrade and just had to see more of the history behind
By KalleP · #103609 ·
Re: Free (for shipping cost) -- Several HP paper manuals
Hi John!I could really use the 8902 manuals, i have one to fix.? The 3585 =B would be handy as I am looking for one for the bench. You could hold them until we meet up. Thanks! Jeff Kruth
By Jeff Kruth · #103608 ·
Re: Free (for shipping cost) -- Several HP paper manuals
Hi John Sorry but 45409 is not a UK post code
By Paul Bicknell · #103607 ·
Re: Free (for shipping cost) -- Several HP paper manuals
If still available, I would like the ones for the 8901B and the 8640B.? Please let me know if they are available and how much to send to Zip 35601. Thank you, Harold Foster
By Harold Foster · #103606 ·
Re: Free (for shipping cost) -- Several HP paper manuals
Hello, how much would this: 5. 8753C User's Guide and Quick Reference be to Hungary? Tam With best regards Tam HANNA Enjoy electronics? Join 15k7 other followers by visiting the Crazy Electronics Lab
By Tam Hanna · #103605 ·
Free (for shipping cost) -- Several HP paper manuals
I have the following manuals available for the cost of shipping from 45409. Most are originals though a couple are good quality copies, and most are in HP binders. 1. 3585B Operating, Service Vol. 1,
By John Ackermann N8UR · #103604 ·
Re: HP 419A Null Voltmeter - Purchase
I will study your writeup with great pleasure once you have it organized and published. Remind me how you are matching your H11F's and canceling the remaining offset. Dave Wise
By Dave Wise · #103603 ·
Re: WTB HP 8660C Module Extension Cables 11672
I would like to buy these! Please contact me directly at fourdesigns@...
By Bob Koller <testtech@...> · #103602 ·
Re: WTB HP 8660C Module Extension Cables 11672
Sorry for the bandpass. No reply from you On Tuesday, March 3, 2020, 01:59:48 AM GMT+1, Bob Koller via Groups.Io <testtech@...> wrote: JF, Thanks, I have contacted you, (I think),
By jfphp · #103601 ·
Re: A dirty way to get more frequency resolution out of a signal generator
Hi, This is pretty similar to what the 8640B signal generator does. You can lock the oscillator to the quartz time base via the counter. Then by changing the counter timebase you can fine tune the
By Szabolcs Szigeti · #103600 ·
Re: [WANTED] HP 85700A 32kB RAM card
At 2020-03-02 03:51 PM, Mark Litwack wrote: Page 3 of the *CONFIG* menu for the sync settings, not the CAL menu. Thank you! I would never have figured that one out on my own. Now I can actually see
By Steve Hendrix · #103599 ·
Re: Load 8510C instead of 8530A in a 85101C
Hi Steve, Thanks for the confirmation! I also had good hopes it would work. Now all I need is an image to load ;-) But that requires someone that can get LIF files off of a disk. My machine does have
By Job PH4AS · #103598 ·
Re: 8510C: 8340B vs 83631B
Thanks for the tips Vladan, did not consider that type of impact from vibration. I definitely will check out the vibration when I move out the machine to get to the rear ports. I also hate the weight
By Job PH4AS · #103597 ·
Re: HP3336b
Check the rectifier feeding C5. The capacitor will get hot if there is AC on it from a shorted or leaky diode. Robert G8RPI.
By Robert G8RPI · #103596 ·
Re: HP 419A Null Voltmeter - Purchase
If you haven't seen yet Mr. Carlon's Lab just did a teardown and restore with custom LED's and driver:?https://www.youtube.com/watch?v=vrmwql2msbU&t=639s
By jafinch78 . · #103595 ·
Re: HP 419A Null Voltmeter - Purchase
On Mon, 27 Jan 2020, Dave Wise wrote: OK, I've put everything together finally for the first run as a whole and it worked like a charm. Not fully assembled yet (covers not installed) but otherwise
By Sergey Kubushyn · #103594 ·
Entering Cal kit data into 8720D
Got a new 3.5 Female cal kit today and a thumb drive with the data. ?It¡¯s non HP but the cal data seems not bad ? Not that I really know much. But did get a chart of numbers Moved the .CK and XKT
By Dave Miller · #103593 ·