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Date
Re: Book on Hp
Greetings, It IS a fantastic book. I have read and reread it. I have also given several copies away - not just for historical reasons but to show managers how it is possible to create a great company
By ken chalfant · #105339 ·
Re: Seeking Spring Nuts for Series 1 cabinet
The ones McMac lists are not designed to be used on 1/8" thick panels, but for thinner sheet metal. I too would like to find a source for spares, so I'm following this as well. -Pat
By Cubdriver · #105338 ·
Re: Seeking Spring Nuts for Series 1 cabinet
Greetings, How about McMaster Carr or Fastenal? Worth a shot. Good hunting! Ken
By ken chalfant · #105337 ·
Seeking Spring Nuts for Series 1 cabinet
The top and bottom covers of the 740B are secured by screws which go through 6-32 J-style spring nuts clipped onto the side panels. Except I'm missing some of them. The manual doesn't mention them.
By Dave Wise · #105336 ·
Re: Problem with HP MMS 70000, USERLOCK ON
Hi JF, I could USERLOCK OFF with my HP computer using your method. I've tried to load again the 70875A DLP loaded into my 70900B and faced out to the same USERLOCK ON ! I guess the program is
By Pierre-Fran?ois (f5bqp_pfm) · #105335 ·
HP8562A Errors 304,335,317,333
Stu: C301 is not a decoupling capacitor. It connects 50/60 Hz AC from the secondary winding to rectifiers CR301/302. Yes. ---------- Best regards, Goran Finnberg The Mastering Room AB Goteborg Sweden
By Goran Finnberg · #105334 ·
Re: HP 400x AC voltmeter low-noise mods - was: new File called App notes
Another way to get to coax from banana jacks is to use the rare GR shrouded shielded double banana connector/cables -- if you can get them... They were supplied with some bridges for detector and
By John Griessen · #105333 ·
Re: HP8562A Errors 304,335,317,333
hello i think it is to galvanize isolate that supply. But it is exact the cap. I bet it is open. just use a 220uf i do that all the time to bring it back. let me know once you tried best regards Peter
By Peter Hansen · #105332 ·
Re: HP8562A Errors 304,335,317,333
Peter, Have a 2nd PSU to remove and use as Test components. One quick question? What type of PSU is this never seen this type of config before! There is no physical connectivity to the Diodes
By stur_mm · #105331 ·
HP400E was new File called App notes
Jim Ford: Sorry no. 600 ohm for Pro-Audio has been dead for at least 50 years. It is usually <50 ohm out and 10 kohm bridging input. The HP400E is 10 meg ohm input impedance. ---------- Best regards,
By Goran Finnberg · #105330 ·
HP400E was new File called App notes
Jim Ford: If you put a 50 ohm BNC load at the input what happens ? With 10 Meg Ohms input impedance I would think that it would pick up anything within sight. ------------ Best regards, Goran Finnberg
By Goran Finnberg · #105329 ·
Re: Problem with HP MMS 70000, USERLOCK ON
Thank you JF, will keep you informed . 73's pf
By Pierre-Fran?ois (f5bqp_pfm) · #105328 ·
Re: Problem with HP MMS 70000, USERLOCK ON
Programing manual 70900-90284 p. 2.550 Check HPIB address of the 70900A/B !
By jfphp · #105327 ·
Re: Problem with HP MMS 70000, USERLOCK ON
Hi Paul, I would like to reset my analyser as I'm into a deadlock within the DLP sequence and I cannot do anything to exit. Even the Preset Instrument button (green button) shows me the message
By Pierre-Fran?ois (f5bqp_pfm) · #105326 ·
HP K21-5321B Digital Clock
Hello, maybe anybody has a service Manual f¨¹r the K21-5321B Digital Clock. My clock dosent work the right way. I already tryed swaping ICs but i think that more than one is faulty... Best regards
By Philipp G · #105325 ·
Re: Problem with HP MMS 70000, USERLOCK ON
Hi Pierre-Fran?ois Are you actually going to send commands to the analyser if so why I can see the need to do screen dumps to a computer also dater streams of the displayed information Paul _____
By Paul Bicknell · #105324 ·
Re: HP8920B Power supply capacitors??
The Rifa X and Y capacitors from the 80s are replace on sight items - can use new Rifa or other brands as long as they fit, there is not much space in there. The IEC mains input filter would be on my
By John Shadbolt · #105323 ·
Book on Hp
This is an excellent book on the culture of the company when Bill and Dave ran it.
By John Lyles · #105321 ·
Re: Problem with HP MMS 70000, USERLOCK ON
Ok fine JF, but how to proceed when you have connected a computer to the HPIB ?? How to send the command ? 73's pf
By Pierre-Fran?ois (f5bqp_pfm) · #105320 ·
Re: new File called App notes
Hmmm, you¡¯re right, I missed that about the F/FL: only 4 MHz. Sorry!
By Jeremy Nichols · #105319 ·