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Do you have the sensor connected to a 50 ohm source (turned off) or pad? Sometimes an open sensor input can make things jump around especially on low ranges. Best, -John Richard wrote:

I have a nice HP 437B Power Meter that is not working. It passes self test OK, But the output from the Sensor (Good 8482A) displayed varies all over the place. Even after zero preformed on Power

Ok i know i sound like a broken record but i still consider the 70000 series the best choice if you need a good lab analyzer. First off its a synthesized unit and you can piece it together and expand

just out of curiosity i would like to study the E4401 and see if it can be hacked to go to 3GHz, Agilent was good about putting features in their units and then limit them by Firmware corrections, i

What's your budget like? What features do you actually need? If you are OK with your current model except for its upper tuning limit, have you thought about building a downconverter for it? There

Hi. A few years ago I had the opportunity to purchase a used E4401B Spectrum analyzer which has worked well for me. I am now interested in looking as signals between 1.5 and 2 GHz which this analyzer

I have found a few FPGA kits that i used on previous projects, all of them are working and in good condition, the reatail price is somewhere from 199 to 499 i am asking $50ea OBO ! maybe someone can

the old saying - if the shoe fits wear it comes to mind :) but i wasnt actually aiming at you Well, i dont have any dogs in this race either - i just recently got a 8753B which thank god has a good

Ok Lothar, that one was aimed directly at me, so I must respond! I do lots of things without expectation of pay. I have coached recreational soccer for many years. I help out with one of the local

Financial interest makes sense if you start a company and want to make money, if i would have the intension to start a business selling replacements for obsolete parts than for sure i would go broke

I used the stratix because i had a eval board for it on hand, for cost reasons i would not recommend this family ! Cyclone3 are pretty good and Lattice has low cost FPGAs with build in SERDES for

First off, I have no dog in this fight, but it seems to me used laptops, especially lower performance ones, are dirt cheap (>$100) these days. Why not a simple interface that uses the parallel or USB

True, within limits. There is a big difference between working on something with real upside potential and supporting something an insrument which is reaching the end of it's service life. The

I have read with some amusement and disappointment the responses you received from your offer to make gears for people. I personally thought it was a great offer and as soon as I need any gears I'll

HP must have been an amazing place to work in in the 1970s. It seems they did a lot of R&D in those years. I'm extremely grateful for their old service notes - more information and explanation than

there are several companies that sell surplus LCD for about $100 or less, earthlcd is one example, changing to LCD would also have the advantage that you get some additional function like printer

HP call the board that controls the storage tube persistence, erase etc the storage assembly. I have been thinking of replacing the tube with and LCD - but that would cost more than the SA!! Unless

One thing that comes up more and more often from people on this newsgroup is the .... im not doing anything unlessi get paid for it ! dont get me wrong i like money as much as anyone else and im

I have a degree, but the truth be known I learned at least 95% of what I know by playing on the bench, taking things apart, modifying radio gear, building my own test gear when I was a kid, and then

Hello to all, Lots of discussion about restoring CRTs lately. FYI, I have a BK 465 CRT tester/restorer available. Good conditon, with manuals and cabling. Never was able to sell it at the