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Date
Re: 8753ES LCD update
what?! no before and after pictures?! ________________________________________ Sent: Monday, April 15, 2019 9:46 PM To: [email protected] Subject: [HP-Agilent-Keysight-equipment]
By W2HX · #95905 ·
Re: 8753ES LCD update
Yeah, I found this with a TV LED back light recently. It's a nice feature. Allows them to be redeployed as light panels for photography, or as 92%+ efficient room lights if you can fit them in a
By John Griessen · #95904 ·
Re: 8753ES LCD update
Ordered! Thanks!
By Colby Burkett · #95903 ·
8753ES LCD update
After I got my 8753ES working I was a little disappointed in the LCD brightness, especially right when you turn it on.? I also didn't think the viewing angle was great; a little off to the side and
By Peter Gottlieb · #95902 ·
Re: hp3586a selective voltmeter jammed
...forgot to write that I checked again the voltages and their ripples and everything is good. I am trying around cables and connectors and inspecting the solder joint for the two connectors which
By cc@... · #95901 ·
Re: hp3586a selective voltmeter jammed
Hi?Merchison, thank?you for sharing your experience. Unfortunately the HP3586A does not have a front-panel battery but a NiCd one on the power supply board for which I had to clean in the vinegar
By cc@... · #95900 ·
Re: Type of coax for Impedance Analyzer Test Fixtures
Thanks Ed, Brooke, and Don; One of the problems I am faced with is that I am trying to adapt newer fixtures to an older 4192A Impedance Analyzer and the Open/Short Zero is for spot frequencies only.
By peter bunge · #95899 ·
08662-60604
Does anyone have a 08662-60604 (A7A3) 8662(63) Inverter PCA.? Broken will be ok thank you Steve
By Stephen Hanselman · #95898 ·
Re: Type of coax for Impedance Analyzer Test Fixtures
The calibration of the 4285A calls for the 42100A precision resistor set, the 16380A, 16380C precision capacitor standards - cal¡¯d to 30MHz or more, possibly the 16074A resistor set, inductor
By Don Bitters · #95897 ·
Re: E4401B No 50MHZ Cal signal
Thanks for the info, John! From: <[email protected]> on behalf of "jrann1 via Groups.Io" <jrann1@...> Reply-To: "[email protected]"
By Michael Williams · #95896 ·
Re: E4401B No 50MHZ Cal signal
Mike... I have a standard 50 ohm E4401 and the 50 MHZ harmonics do stretch out to 400 MHZ, so unless you are seeing a lot more, it would be normal. John
By John Annison · #95895 ·
Re: Type of coax for Impedance Analyzer Test Fixtures
Having worked on the HP YHP product line for many years, the cable types were never identified in the manuals, but back then you could ask the service engineers that question. I never needed to ask.
By Don Bitters · #95894 ·
Re: E4401B No 50MHZ Cal signal
Alex, Artek has the E4401 CLIP, which also covers the E4411B.? (Dave should really modify his search to let E4411 searches find that.) Keysight has a free pdf of the service guide for the E44xxB
By John Gord · #95893 ·
Re: Type of coax for Impedance Analyzer Test Fixtures
Hi Peter: The Open/Short is to remove parasitic effects at the terminals of the test fixture. See the Impedance Handbook section "Compensation function" paragraph 2.4.6 in my version. This is
By Brooke Clarke · #95892 ·
Agilent E5062A Not Booting-Up
Dear Group - Agilent E5062A Network Analyser Powers-Up and Agilent Technologies Logo appears on Screen but will not continue to Measuring Screen.CMOS Battery has been replaced and Date/Time Reset and
By MARC CHRISTIAN · #95891 ·
Re: E4401B No 50MHZ Cal signal
But if the C448 cap had failed short as you stated, at least it certainly would be part of the bigger problem.
By Alex · #95890 ·
Re: E4401B No 50MHZ Cal signal
Without reading through all of this again... you have a decent scope, correct? You should be able to measure the 50 MHz cal signal with that. (around 20 mV or so) And also follow its path. I have yet
By Mark Bielman · #95889 ·
Re: E4401B No 50MHZ Cal signal
Typo: That sentence should read: Running without the cap, I notice that the noise floor is higher than it should be, and that changes to levels of the input signal DO NOT cause corresponding changes
By Michael Williams · #95888 ·
Re: E4401B No 50MHZ Cal signal
Nope. While the scope functions with the cap removed, putting a good replacement back in reproduces the failure. I suspect that the cap is part of an attenuator/filter. Removing it is raising the test
By Michael Williams · #95887 ·
Re: hp3586a selective voltmeter jammed
I have an HP8165A which had the same problem. The backup battery behind the front panel was dead. Replacing the battery cured the problem. --- This email has been checked for viruses by AVG.
By Merchison Burke · #95886 ·