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Date
Re: Hp 8903b display issue update
Thanks for the reply , was thinking of something? like you mentioned,? the only problem is i do not know what pin i have to remove.? I am also going to use the scope to probe around and see if i
By oliver johnson · #94240 ·
Re: VNA advice wanted
I'm going to try this system for an educational modular build experience and compact looks practical system: In general:?https://github.com/ erikkaashoek/Tapr-VNA (
By jafinch78 . · #94239 ·
Re: VNA advice wanted
I looked closely at the Mini VNA, but the limited dynamic range eliminated it early in the search. My 8560A w/ TG takes care of my scalar needs. I have almost of no space left so this will be a
By Reginald Beardsley · #94238 ·
Re: VNA advice wanted
I see you have a spectrum analyzer with TG. If you get a good quality SWR bridge like Wiltron 60NF50 (or 60N50) or HP 86205A then you are basically set to do all kinds of transmission and reflection
By amirb · #94237 ·
Re: HP 859X series Ref Out to Reference in Jumper for recently acquired analyzer
Earthlink is screwing around with their Webmail software again. Sometimes the bottom part shows up, and sometimes it doesn't. Some messages aren't even appearing with the Webmail foot to allow you to
By Michael A. Terrell · #94236 ·
Re: VNA advice wanted
Even though this is an HP group, I think you should consider a different USB VNA. I have a MiniVNA Tiny that goes to 3 GHz. The downside is that it really only has a dynamic range of about 40 dB, but
By Mark Goldberg · #94235 ·
VNA advice wanted
I've been building up an RF bench (8560A w/ TG, 8648C, 438A, 5386A, Tek 485, LeCroy DDA-125/LC684DLX plus several Chinese DSOs and 3478As and 34401As) with a maximum frequency of about 3 GHz. I
By Reginald Beardsley · #94234 ·
Re: Hp 8903b display issue update
Oliver we all like to blame the most difficult and unknown thing. In this case it may be the prom is suffering from memory rot. I have a partially bad one on a 8501 display normalizer. (Just haven't
By paulswed · #94233 ·
Re: HP 859X series Ref Out to Reference in Jumper for recently acquired analyzer
Interesting.... his address showed up just fine on my copy: I'm using Thunderbird (on Windoze 7) Daun
By Daun Yeagley · #94232 ·
Re: HP 859X series Ref Out to Reference in Jumper for recently acquired analyzer
That looks like the one used on the 3325A/B function generators. I couldn't find them, so I use these short BNC right angle cables: https://www.ebay.com/itm/
By Michael A. Terrell · #94231 ·
Re: HP 4192A GPIB measurements
I use CentOS Linux for my NI GPIB cards. NI has written drivers for both Red Hat and CentOS Linux, and I can still avoid having the Microsoft virus installed on any of my home and shop computers. Mark
By Mark Wendt · #94230 ·
Re: HP 4192A GPIB measurements
I have the same policy here. There's a lot of customer data on my network; I have a responsibility to protect it in order to stay in business...no "Typhoid Mary" Windows boxes here. -Dave -- Dave
By Dave McGuire · #94229 ·
Re: HP 859X series Ref Out to Reference in Jumper for recently acquired analyzer
I can, as they cool kids say, "hook you up". Send me your shipping address. (CC'd on-list just in case) -Dave -- Dave McGuire, AK4HZ New Kensington, PA
By Dave McGuire · #94228 ·
Re: HP 4192A GPIB measurements
Can we try to bring this discussion back onto the 4192A and avoid the personal computer war?
By bownes · #94227 ·
HP 859X series Ref Out to Reference in Jumper for recently acquired analyzer
I just acquired a new to me HP analyzer. I am looking for one of the square bar with male BNC connector 10MHz Reference Output to Ref in jumpers that connects to the rear of the HP 859X spectrum
By Sam Reaves · #94226 ·
Re: Test fixture for dielectric measurements
Thanks BR; the reason we will probably have to build our own Test Fixture is that, even with unlimited funds, the commercial fixtures are not suitable for the samples or to be adapted to heating to
By peter bunge · #94225 ·
Re: Hp 8903b display issue update
I went through the machine checked all the rails and systematically started to remove some of the cards to see if I could pinpoint bad components and things of that nature removing card A9 the unit
By oliver johnson · #94224 ·
Re: HP 4192A GPIB measurements
Notice I said "my" computers.? I was a system and network administrator for over 25 years.? However, I worked on the big iron side of the house, responsible for the servers.? The systems I admin'ed
By Mark Wendt · #94223 ·
Re: Test fixture for dielectric measurements
At work we have the Agilent liquid test fixture, use together with a LCR meter to measure the permittivity of different oil's
By Askild · #94222 ·
Re: HP 4192A GPIB measurements
You can't do that on other pepople's computers. II was supporting people who could barely turn on a computer, so I had to be familiar enough with more than one OS. Just like with test equipment not
By Michael A. Terrell · #94221 ·