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I also vaguely recall that there is a front panel screw driver overload adjust pot for each channel. Do check the OP/Serv manual for the front panel controls, setup, and calibration (adjustment). Don

I am no expert on the 3582A, but check the motherboard sockets, the brd connectors any cabling to the input cards, and the circuit that comes after the input card, and the input control circuitry. I

IIRC II is probably found in the IF A3 section, the video processor or detector. Do you have a problem? What are your symptoms? If you are asking after the video digital sweep vs. the analog sweep,

Thanks. I'll give that a try. Wolfgang ========================================

(Bear with me, I’m still learning how to use this platform) I’m primarily interested in obtaining logarithmic sweeps/bode plots while using my 8556A audio frequency plugin and 8570A Storage

I'm resurrecting this thread as I've taken a chunk of these manuals at that time with the intention of figuring a way to scan them or make them available some other way. In the meantime, my storage

I'm not sure, but the older versions are much smaller in size at maybe 100Mb. On the wayback machine, all the older 78xxA downloads show up as access forbidden. It is still possible to get the main

Hi Jeremy, I am also looking for the N78xx software but from what I know all versions need a license. Or this not valid for the older versions and only new ones need the license? Regards, Razvan

Thanks for this. There's lots of useful stuff there. Does anyone have a link to an older archive of the Agilent website that might still have the N7810A calibration SW for the old E4440A spectrum

I download the whole archive a few years ago. I also had issues with the download at that time but it was easy to resume the download because I started it using "wget". If you don't have a Linux box

The Internet Archive has what appears to be a snapshot of ftp.agilent.com from 2014. Link is https://archive.org/download/ftp.agilent.com. The file is rather large (317GB) and an attempt to download

Oh, you know what. I missed that the display is for a "B" model. Sorry, I don't have one. Dave - W6TE DXCONNECTION

I appreciate all the input on the replacement.? Under the circumstances I am going to see if I can avoid replacing this part as I do not have the facilities, or the nerve, to fiddle with EPROMs.? My

Excellent teardown and photos! The service manual does list A1U19, the Executive microprocessor, as two items; the microprocessor and UVPROM, those have different part numbers. MK38P70/02D and

For the option 010 you might look at this item. https://www.ebay.com/itm/156837432635 Greg

Ed, I remember I found an Easter egg in the PROM of the 5334A (this is a picture from a few years ago):? you can see the name of the programmer in the ROM. Shalom Kattan, who later founded Carmel

I remember that in my 5334A, the PROM was stacked on the processor. It was nothing special, just a 27C64. I have the PROM dump, it will take a few days to find the file and upload it - please wait.

Jim, That is a truly fascinating bit of information, and thank you for sharing it. It makes sense that HP would eventually replace the microprocessor and UVPROM with a more cost effective mask ROM,

The microprocessor you have was primarily used as a development part. The PROM was in most of the Mostek microprocessors for one time mask programming. What you have allowed the developer to write the

Hi Dave just to confirm the HP 432B is a digital meter and this is what I am looking for The HP 432A is the analogue meter and I already have these Regards Paul Sent: 14 May 2025 15:55 To: