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Date
Re: HP8753E, 8753D, 8753ES 3.5" disk drive replacement reference information
Vladan, Evidently the SW on this SFR1M44-DU26 kind of sucks and may not work with some machines.? People online claim that something called Flashfloppy [ https://github.com/keirf/FlashFloppy/wiki/ ]
By Scott Vance · #148955 ·
Re: HP8753E, 8753D, 8753ES 3.5" disk drive replacement reference information
Scott, there is a chance that the ebay seller is making some firmware changes to the standard SFR1M44-DU26 GoTek emulator. Vladan
By pianovt · #148954 ·
Re: HP8753E, 8753D, 8753ES 3.5" disk drive replacement reference information
I think that you all are on the right track here.? Gotek makes a model which fits available in various places: 1)? ebay - confirmed compatibility by seller (thanks Vladan) for $120:
By Scott Vance · #148953 ·
Re: HP 8341B with HP8410B VNA
Chuck, Good advice, taken.? Thanks
By Scott Townley · #148952 ·
Interfacing 8410B/8750A Stg Norm with 8341B sweeper
Should there be any real difference in interfacing an 8750A storage normalizer with an 8410B+8412B+8341B (as opposed to the documented 8410B+8412A+8620 procedure)? The only real difference I can see
By Scott Townley · #148951 ·
Re: Seeking manual for HP 651B test oscillator
Thanks, Michael. I already have PDF files of the -90004 & -90005 manuals. But these apply to very early (~1960¡¯s) 651s. The unit I am working on contains date codes of 1983. Greg
By Greg Muir · #148950 ·
Re: HP8753E, 8753D, 8753ES 3.5" disk drive replacement reference information
https://www.aliexpress.us/item/2251801142661464.html $27 +3.4 = 30.4 USD
By John Griessen · #148949 ·
Re: HP8753E, 8753D, 8753ES 3.5" disk drive replacement reference information
For small outline drive replacements have a look at this Lotharek.pl - SD ZIF C - HXC SLIM ZIF Cased lotharek.pl I use one of these in my Agilent 54641D MSO. Wilko
By Wilko Bulte · #148948 ·
Re: Troubleshooting a 8591e with opt 130
Hi Marco, Glad to hear that your 8591E is working properly. Yes indeed, not always easy to measure, but we always end up finding a way to get there. I attached the constants for the flatness of my
By Yves Tardif · #148946 ·
Re: HP 8566B issue above 18.5GHz ?
By any chance have you tried preselector peaking at 18.5 GHz and at 19 GHz? Don Bitters
By Don Bitters · #148945 ·
Re: Three-volume Book about Hewlett Packard South Queensferry history to be available soon
Hi Folks, I purchased this *3-volume set* and it arrived while I was in the hospital after an operation.? (I spent several months non-weightbearing and then months getting my balance back and
By Larry McElhiney · #148944 ·
Re: HP8753E, 8753D, 8753ES 3.5" disk drive replacement reference information
Marcus and all who are thinking of a Gotek, why not use this: https://www.ebay.com/itm/333459123742?epid=20028560258&hash=item4da3b66e1e:g:QjsAAOSwcABeCbYb I have no idea if it really works. It
By pianovt · #148943 ·
Re: HP8753E, 8753D, 8753ES 3.5" disk drive replacement reference information
Scott, you are correct, the Gotek drives I've bought are 25mm high so I have to remove the encoder button, replace the screen with a smaller one, 0.91" 128x32 OLED and 3D print a new case. I also
By Marcus Gustafsson · #148942 ·
Re: Troubleshooting a 8591e with opt 130
Hey Yves, Just a small update on the analyzer. Everything seems to be fine, also with the FADC option installed. I'll see if I can do some level corrections and perhaps do a Lin/Log adjustment some
By Marco · #148941 ·
Re: Seeking manual for HP 651B test oscillator
I have 00651-90004. https://www.dropbox.com/scl/fi/8db5ls6820qkfuuo8wq2b/hp_651b-00651-90004.pdf?rlkey=cqusp0f3tmpn70skli6gxzn31&st=bqhptmle&dl=0 [email protected]> wrote:
By Michael A. Terrell · #148940 ·
Re: HP 3325A amplitude problem
Thanks. Looking forward to that. Raymond
By Raymond Domp Frank · #148939 ·
HP 8593A PSU repair the C13
I have a special pleasure: I need a picture from the inside of the PSU of hp 8593A, the board with the UC3844? , there is, or was ... I see nothing ... a C13 what is connected to pin6 of the UC3844 ,
By Martin M · #148938 ·
Re: HP 3325A amplitude problem
Thank you for the input. I'll try cleaning as suggested , the service manual describes the details about the relays, so I'll keep you posted. Goran
By Goran Parezanovic · #148937 ·
Seeking manual for HP 651B test oscillator
Would anyone have a HP 651B test oscillator OP/SVC manual covering serials around 1200A and later (1980¡¯s manufacture)? All of the ones I can find are referring to serials in the very early range of
By Greg Muir · #148936 ·
Re: HP 8566B issue above 18.5GHz ?
Wojciech, Since the 8566B switches between band 3 to band 4 in the upper band at 18.5 GHz and the 8341B/8340B switches at 20.0 GHz, I would say it is pretty conclusive it is the 8566B that needs
By saevar · #148935 ·