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Re: Anybody have schematics or link for schematics of HP 3488A switch control unit?
I have two of these units and downloaded the manuals direct from the Keysight site. This includes the schematics for the main unit and the various switch cards. These are useful bits of kit Good luck
By nigel adams · #96001 ·
Re: Anybody have schematics or link for schematics of HP 3488A switch control unit?
A number of now have people sent me copies of 90012nservice manual,? thanks for? all replies on and off list! The manual is actually on the Agilent keysight website, but it does no come up if you do
By Tim hughes <timhughes@...> · #96000 ·
Re: Anybody have schematics or link for schematics of HP 3488A switch control unit?
Hi Tim, I have this document ; HP-3488A-90012 3488A Service manual I downloaded that from the Agilent website . I do not know if it is still available there. Look for it and if you do not find it I am
By Jos Raven PA0AMX · #95999 ·
Re: HP 53310A POST errors
OK. Different Problem than mine. Check the big capacitor on the GFX board, and the fuse -- With best regards Tam HANNA (emailing on a keyboard-less handset, sorry for spelling mistakes and brevity) Am
By Tam Hanna · #95998 ·
Re: Anybody have schematics or link for schematics of HP 3488A switch control unit?
Hi Tim, I've the service manual, send me your private mail and I send this to you. Dario IU3ARP
By Dario · #95997 ·
Re: HP 53310A POST errors
After power on,all 8 leds were on for less than one second,then 6,then 4,then all leds were off (completed power on self test) after a little while the leds flashed one after one in sequence.(each
By Jack2015 · #95996 ·
Agilent 54845a Infiniium 1.5 GHz Scope Trigger self-test Failures
My Agilent 54845a?consistently ?throws ?Trigger self-tests ?"Failed" ?, ?*for all of the extended Trigger tests* ; ?on all 4 channels. The scope boots without issues & can measure & display the
By gren · #95995 ·
Re: Anybody have schematics or link for schematics of HP 3488A switch control unit?
I did some more searching and found this website which has a bit of information on the switch mode power supply and lots of pictures:HP 3488A Switch / Control Unit | | | | HP 3488A Switch / Control
By Tim hughes <timhughes@...> · #95994 ·
Anybody have schematics or link for schematics of HP 3488A switch control unit?
Keysight website only has operator manuals and similarly BAMA has operator/programming manuals like 03488-90002 or 3 etc. The manual numbered? 03488-90009 is supposed to be the repair manual. But I
By Tim hughes <timhughes@...> · #95993 ·
Re: HP 53310A POST errors
Also, please try to raise the unit with the "rabbis grip" . Power it on for like half a Minute, then hold any front panel Button, power it off and on again while Holding the button. If we can restore
By Tam Hanna · #95992 ·
Re: HP 53310A POST errors
Now I am wide awake. Please check if all the LEDs on the CPU assembly (below the Boeschert cartridge) are lit steady! --- With best regards Tam HANNA (emailing on a BlackBerry PRIV) Enjoy electronics?
By Tam Hanna · #95991 ·
Re: HP 53310A POST errors
Tam We might have chance to find out what causes the problem because the same issue came back again after working perfectly for two days. Jack
By Jack2015 · #95990 ·
Re: 16517a maximum signal speed
You'd know that a pulse happened, but you'd be limited in time resolution to the sampli
By Harvey White · #95989 ·
Re: 16517a maximum signal speed
Steve, Thanks for the comments. This background definitely helps me, at least. It does occur to me that where the wave shape is often important is when viewing analog waveforms, it's less important
By Keith Monahan · #95988 ·
Re: Need an 8558B Freq/ Span/Div Knob
Walter, I have a junker unit next to my desk I use for parts. I think all the knobs are still there. On the road though and won¡¯t be back till Monday Regards, Stephen Hanselman Datagate Systems, LLC
By Stephen Hanselman · #95987 ·
Re: 16517a maximum signal speed
Another data point recommendation from the manufacturer, in their "Evaluating Logic Analyzers Objectively" document: "Timing mode ¨C Select a timing analyzer with a sampling rate of 4 to 10 times
By Keith Monahan · #95986 ·
Re: 16517a maximum signal speed
At 2019-04-18 03:04 PM, Keith Monahan via Groups.Io wrote: Nyquist says 2x the signal frequency absolute minimum. Pardon me if I'm out of place, but I'll chime in here about the "Nyquist frequency
By Steve Hendrix · #95985 ·
Re: 16517a maximum signal speed
That's great then. I've got about a 1.2Ghz digital signal I need to analyze and can clock it down for state analysis. Just wanted to make sure I wasn't looking at a max of 500-600MHz even in timing
By Ethan Waldo · #95984 ·
Re: Fuse holder for hp 437B
Hi Emst Yes I have a spare removable fuse carrier and am in the UK. ?I also have a 437B and have checked that the 432A fuse does fit it. Please send me your address to G6HIG at Yahoo dot com. 73
By george edmonds · #95983 ·
Re: Fuse holder for hp 437B
Ernst, If you will send me your address I¡¯ll send you a fuse cap. Are you good in qrz.com? 73, Dave W6TE Sent: Thursday, April 18, 2019 9:29 AM To: [email protected] Subject:
By Dave Smith · #95982 ·