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Re: R¨¦f. : [HP-Agilent-Keysight-equipment] Need HP part ID 1826-0092
Yes, very interesting. Do you know what the specs are? There are opamps with way better specs than a 1458 these days. Offset voltage orders of magnitude less, outputs that are rail to rail. Sometimes though a product may be designed to assume not rail to rail, so that may not be OK. I never designed anything that could not take the rail voltages of the previous stage, even if the parts were not supposed to be rail to rail. Regards, Mark On Thu, Aug 23, 2018, 8:12 AM Artekmedia <manuals@...> wrote: Vladan |
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Re: R¨¦f. : [HP-Agilent-Keysight-equipment] Need HP part ID 1826-0092
Vladan
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Interesting info ...how did you come by that bit of data? -Dave manuals@... On 8/23/2018 10:37 AM, pianovt via Groups.Io wrote:
The 1826-0092 is a selected 1458. It seems the selection was for input drift and output voltage swing. --
Dave Manuals@... www.ArtekManuals.com |
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Re: HP 400 F/FL AC Voltmeter Service Manual wanted
As another? point of reference the serial number prefix is the date of the effective ENGINEERING CHANGE release date , NOT the year of manufacture.
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dave manuals@... On 8/23/2018 10:53 AM, Fred Thal wrote:
Looking for a later edition Operating and Service Manual for the HP 400 F/FL AC Voltmeter. --
Dave Manuals@... www.ArtekManuals.com |
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Re: R¨¦f. : [HP-Agilent-Keysight-equipment] Need HP part ID 1826-0092
Another thing about modern day "substitutes " is you? have to be aware that the "newer" devices because of the better high frequency response can have unexpected oscillations. No way to predict these but would not hurt to look at the circuit with a good HF scope after you install a substitute to be sure odd things are not going on
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-Dave manuals@... On 8/23/2018 10:57 AM, Peter Gottlieb wrote:
There are much higher performing op-amps out there now, with the same pinout and cheap. --
Dave Manuals@... www.ArtekManuals.com |
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Re: survey of 400 E and 400 F service manual editions?
I have the following all on fiche
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400E/EL? OP SVC
Serial PFX 536?
00400-90056
1 June 1970
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400E/EL OP SVC
Serial PFX 949 536
00400-90057
4 June 1972
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400E/EL OP SVC
Serial PFX 1208A
00400-90066
January 1976
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400F/FL OP SVC
Serial PFX 0950A
00400-90063
January 1976
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Peter
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Re: R¨¦f. : [HP-Agilent-Keysight-equipment] Need HP part ID 1826-0092
¿ªÔÆÌåÓýThere are much higher performing op-amps out there now, with the same pinout and cheap.?Peter On Aug 23, 2018, at 10:37 AM, pianovt via Groups.Io <pianovt@...> wrote:
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Re: HP 400 F/FL AC Voltmeter Service Manual wanted
Fred
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If this is a 1974 printing, you will want to be sure that it has the change pages for your later serial number 2213A? (1982? year) unit -Dave\ manuals@... On 8/23/2018 10:53 AM, Fred Thal wrote:
Looking for a later edition Operating and Service Manual for the HP 400 F/FL AC Voltmeter. --
Dave Manuals@... www.ArtekManuals.com |
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Re: HP 70 K MMS software, whole system, modules & ROM's ( including ... Hp 70909A, 70910A, etc.)
There is some traffic, but it is often duplicated here. On Thu, Aug 23, 2018 at 4:46 AM Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...> wrote:
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Re: HP 70 K MMS software, whole system, modules & ROM's ( including ... Hp 70909A, 70910A, etc.)
Dr. David Kirkby from Kirkby Microwave Ltd
On Thu, 23 Aug 2018, 09:11 Paul Bicknell, <paul@...> wrote: Hi Regarding a store for the HP 70 K? programs I don't know how much activity there is on that group, but I know when someone announced it had been set up, there was almost universal condemnation of it. Almost everyone wanted to keep the discussions on the HP/Agilent list, which of? course has been retired after I migrated it to here. |
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Re: HP 70 K MMS software, whole system, modules & ROM's ( including ... Hp 70909A, 70910A, etc.)
Hi Regarding a store for the HP 70 K programs
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You do realise there is hp_70000@... regards Paul B -----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Sven Schnelle Sent: 22 August 2018 19:16 To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] HP 70 K MMS software, whole system, modules & ROM's ( including ... Hp 70909A, 70910A, etc.) Hi, i would be interested in all the HP calibration software - not only HP 70k, also for other HP test equipment. I think the easiest way to get the software running is an older PC where you can run the HP82324A Basic coprocessor, which is basically a HP9000/300 system. I'm currently trying another approach - emulating the HP9000/300 system on a modern PC. I've started to implement a HP9000/300 system using mame (), so it can be emulated. We currently support emulating the HP9895 and HP9122C floppy drive, and have HP BASIC running. What's missing to use that in a meaningful way for HP test equipment is the ability to talk via IEEE-488 to the outside world. There's some kind of MAME interface available called IEEE remotizer, which could be useful for talking to external devices. Here's a screenshot how HP basic looks in the emulator: In there are also other pictures of HP-UX booting in the emulator. the stuff required to boot HP-UX 9 is not upstream yet (SCSI controller, MMU stuff, etc). Currently i'm mostly alone working on the project, if anybody on this list feels like contributing/helping you're welcome to join. Regards Sven On 08/22/2018 07:42 PM, garp6 wrote: hi, ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.8048 / Virus Database: 4793/15883 - Release Date: 08/14/18 |
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R¨¦f. : [HP-Agilent-Keysight-equipment] Need HP part ID 1826-0092
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Re: survey of 400 E and 400 F service manual editions?
> Have you looked at the copy of the 400E/EL manual on the Keysight site
Thanks for the suggestion. I once imagined that the E/EL and F/FL differed mainly by the F's extended range and low pass filter, but I discovered that they are in fact different animals, each with their own main boards. |
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Re: survey of 400 E and 400 F service manual editions?
Dale H. Cook
At 07:07 PM 8/22/2018, Fred Thal wrote:
Or, copies of the later editions of these product service manuals?Have you looked at the copy of the 400E/EL manual on the Keysight site? That copy has a printing date of Mar-1986 and has change sheets dated as late as 1984. The 400F manual there is what you have. Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA |
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Re: Need HP part ID 1826-0092
LM1458 from:
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Michael A. Terrell -- -----Original Message-----
From: "Ed Breya via Groups.Io" I need to ID the HP part number 1826-0092, a dual opamp in TO-99. I think it may be a common, nothing special type like LM358 or 1458. It's an oldie, and I haven't been able to find it in any of the HP cross-reference lists I've found. It is in spot U17 on A22 of an HP8568A. The board layout can take a DIP too, so no big deal - I've got lots of parts in stock to choose from once I figure out what it's supposed to be. I suspect I have burned it out due to mis-connecting my home-made interface between the RF and the IF/display units - long story that I'll relate later. |
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Re: survey of 400 E and 400 F service manual editions?
Fred
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For starters I Only have a 1968 Copy of the manual at the moment. Serial prefix 2213A is the last week of March (13th week) of 1982. -DC manuals@... On 8/22/2018 9:35 PM, Fred Thal wrote:
Thanks for the reply. I'm looking for a 1980 or later edition (printing) of the 400 F/FL operating and service manual. --
Dave Manuals@... www.ArtekManuals.com |
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OT: FS Misc Items
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