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And I measured the effective retention voltage on the vdd of the TC551001CF-70L memories, it's at 2.864v , the datasheet says it should be at 2v minimum to keep up the data, so definitively it's not a

I then decided to open my 70900B, have not done this since many years when I upgraded the firmware with the latest from my previous 70952B. At that time I uploaded this latest firmware on KO4BB web

Sound advice. Thank you very much. Stu From: [email protected] <[email protected]> On Behalf Of Peter Hansen Sent: 22 April 2020 08:47 To:

Hello Stu be very carefull if you will recap the psu. It is an old brittle 4 layer board. solder joints does need alot of heat. You can easy ruin the connection to the middle layer. The 3 legged cap

The System II designation refers to the second design of MODULAR case. Not all HPAK instruments use modular cases. Obviously the ones pre-dating? it? can't. 339A and 3456A both use modular cases,

Steve, Waiting for some “Mate N lock” plugs to Test an existing board I have funny config but supplies all relevant circuits (RF) associated with errors I’m seeing. Any ideas on the 3 legged

Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the [email protected] group. * /3000 to 3999/HP 3314A

Some photos of System I and System II Cases on my website.HP Cases | | | | HP Cases HP Cases for test equipment System I System II Spare parts for sale ? Azur Electronics HP Cases for test equipment

david.partridge@...> wrote: At least some of it is a result of taking active design steps to hinder counterfeiting. Dave. -- Dr. David Kirkby, Kirkby Microwave Ltd,

Hi JF & the Gang, After reloading a fresh DLP NF 70875A from my original ROM personality module I got the same error ERR 2001 and entered once again into the USERLOCK ON dead lock. I was again obliged

Lack of understanding of low level hardware is surprisingly common...wrote my latest book because of that. Would, in fact, like to keep this email as a testimonial of sorts... --- With best regards

Good Morning, Thought I would ask on the chance that a *5265A Digital Voltmeter* plug-in might be for sale here. I plan to install the 5265A Digital Voltmeter plug-in into a *K37-5245L Converter

FWIW, here's my experience and method of cutting a rack down to size. Same problem, it was too deep for the available space. http://everist.org/NobLog/20130923_hd_procrastination.htm When setting up

The loss of ManualsPlus and the other physical archives, was a disaster. Few realize the magnitude. Some links and photos here: http://everist.org/NobLog/20190223_full_spectrum.htm#alex As for

Regarding the 260, mine had a failure in the constant voltage transformer power supply.? While today's power is much more stable than yesterday's, the system also provides line isolation which is

Probably the most common problem with the 260 and the RX meter are dirty contacts in the oscillator. Fortunately they are not hard to get to and clean. A few applications of Deoxit will clean them.

If possible I’d like a copy, thanks!! S.hanselman@... Regards, Stephen Hanselman Datagate Systems, LLC

sorry but the one on keysight has all the chapters including servicing and adjustment and also schematics http://literature.cdn.keysight.com/litweb/pdf/03314-90021.pdf this is the one? I have used to

Oh, yeah. With 50 ohm input termination, that noise probably isn't coming from there. Give those capacitors a stern look. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

Still unstable with 50 ohm input.? Decoupling caps most likely need replacing.JimSent from my Verizon, Samsung Galaxy smartphone