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Does anyone have luck getting these to work in HP instruments? https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=floppy+disc+emulator&_sacat=0 I have a 54542C that is getting disc

Hi Jeff, Thanks for your time and efforts. The SA1000 is CRT based and lacking a digital readout. I am thinking they are probably sufficiently different and your kindness would be good effort for not.

Oops. ?My bad. ?Just went up to take a quick look and I have the SA1300. ?Looks to have less buttons than the 1000, and has a LCD frequency readout. ?Might be similar inside or not. ?Let me know

Hi Ken, ?I think I have the manual (it may have schematics - I don’t recall), but I’ll have to dig around all the junk. ?I do have the analyser, don’t use it much. ?It was a toy to play with

Wanted to comment to provide some emotional support regarding older test equipment that was Made in the U.S.A. with little info regarding.? :-|) I'm working on a similar project with the Pacific

Greetings, I stumbled over a little ITC Instruments SA1000 RF spectrum analyzer at the local surplus store. Literally, it was in the aisle and I almost tripped over it! The thing basically appears to

Hi Chuck, I think you hit the nail on the head !! Bill Lauchlan

Oh, yes... Switch mode supplies truly are ten shades of suck! Hal

The vast majority of any praise I give is towards things *other* then the PS but, while I may not sing their praises on quite the same scale, I'm not putting them down either.? The issues with the

As one who repairs a lot of high end HP equipment, and others, I find their power supplies to be the least reliable part of anything they make. And it has always been so since I started repairing HP

Can’t really answer you with great confidence but our customer has now sent us 2 8663’s and 2 8662’s all of which had PS issues (plus a number of other issues). Three of them had the inverter

George, my hobby/work bench is for the most part not very temperature controlled other than if I might need to do some work during the summer months where on afternoons it can get 30-32C inside the

Thanks for the replies, I understand it is LO feed through not zero beat

Glenn- I hope you are asking those questions of Bill, not me ;-) Most of what I have is on shelves in the garage waiting on me to have time to work on it - the RF gear is new to me, previously I lived

No rush - just general musings on my part, and a good dose of curiosity.? ?As I understand it HP's design philosophy at that time, especially for the high end equipment, was to be the best it could

When you get a used 8662 or 8663 the power supply is usually dead or?? missing a board or two or all of the boards. Was this high failure rate supply? Did HP redesign this supply in later instruments?

HI Hal, I’m very busy today, but I’ll get back to you ASAP with a dissertation on Power Supplies and ventilation in 1970’s Vintage HP Products. Rgds Bill Lauchlan Sent: Tuesday, April 30, 2019

All: Here is something I would very much like input on, especially from?Bill Lauchlan as he was involved with the design of that generation of HP equipment. I'll start off by saying that this is as

Hi George I may be interested in one of the 34401A's that you may be selling, where in the world are you, I am in the UK? George G6HIG

Alex, That Chinese seller you found "hifi-szjxic" is the seller I use and his items are the real deal --they are pulls and have been clipped off boards.? The leads are shorter than new parts but have