Re: Youtube video HP service center in the 90th
If you look at the bottom edge of the video, it shows a timing error that flashes in time with the vertical jitter. [email protected]> wrote:
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Michael A. Terrell
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#124019
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Re: Protecting Equipment
Those are transient limiters that are especially designed for this purpose , usually they only cover to 30 or 100MHz t match the frequency range of the LISN ( I only have seen the ones made by ETS
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Lothar baier <Lothar@...>
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#124018
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Re: Protecting Equipment
I mis-spoke. I meant Conducted Emissions. Sorry. Tom, N8ZM Sent: Sunday, March 20, 2022 9:22 PM To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] Protecting
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Tom via Metronet
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#124017
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Re: Protecting Equipment
Limiters are very commonly recommended for Conducted Immunity testing in EMC labs where the Spec An input comes from the Line Impedance Stabilization Network (LISN) because the turn on/off transients
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Tom via Metronet
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#124016
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Re: Protecting Equipment
A few words about limiters , Generally limiters are used in systems to protect receivers usually in RADAR or EW applications , in test systems the use of limiters s usually frowned upon ( with very
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Lothar baier <Lothar@...>
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#124015
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Re: BS, was Re: [HP-Agilent-Keysight-equipment] Spread the word -- Swap Meet Returns!
I had one of these from International Rectifier back in the mid 60's. https://www.worthpoint.com/worthopedia/ir-international-rectifier-solar-1810736590
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Hugh Gilbert
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#124014
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Re: 8516A cable question
Yes that should work fine ! Sent: Sunday, March 20, 2022 6:04 PM To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] 8516A cable question 07 APR 92 shows up on the
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Lothar baier <Lothar@...>
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#124013
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Re: HP 54522A - risetime measurement vs. graticule readings
Here is the attachment. [email protected]> wrote:
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Radu Bogdan Dicher
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#124012
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HP 54522A - risetime measurement vs. graticule readings
Hi all, Working on aligning another instrument last night, my scope - which I typically find extremely reliable for all the readings it's able to perform (from voltage/level to time-based and
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Radu Bogdan Dicher
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#124011
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Re: 8516A cable question
07 APR 92 shows up on the right display of my 8340B, SN is 3050A. Is this new enough?
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Willy
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#124010
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Re: Agilent 3458A Troubleshooting
Many thanks Matt. I will take a look. Cheers, George Sent: Monday, 21 March 2022 12:06 AM To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] Agilent 3458A
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Labguy
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#124009
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Re: BS, was Re: [HP-Agilent-Keysight-equipment] Spread the word -- Swap Meet Returns!
Yep, I've used ferric chloride, and one of the disadvantages was that the etch product (copper chloride?) is dark and opaque and collects over the copper being etched. So agitation is in order, so
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Jim Ford
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#124008
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Re: BS, was Re: [HP-Agilent-Keysight-equipment] Spread the word -- Swap Meet Returns!
Hmmm... I assume these stories come from before the lawyers took over everything and avoiding liability became the number one priority. Strange... Jim Ford
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Jim Ford
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#124007
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Re: Protecting Equipment
Mini-Circuits sells limiters as well as DC blocks, but they only go up to 8 GHz. Not sure about the price, but they are most likely competitive. Assuming you actually need one. Jim Ford
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Jim Ford
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#124006
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Re: ESG-DP E4437B Signal Generation Issue
Hi guys, Thanks for the replies.? I have had some health issues for a while, and won't even feel up to working on my unit for a week or two.? When I do, I'm going to solder a couple pieces of RG174
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Tom KJ6SVS
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#124005
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Re: BS, was Re: [HP-Agilent-Keysight-equipment] Spread the word -- Swap Meet Returns!
Goldsmiths and jewelers all have a (or used to) under their and work bench to catch gold and silver dust and shavings. They'd send the carpet out for metal recovery every so often and buy a new carpet
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Ken Eckert
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#124004
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Re: BS, was Re: [HP-Agilent-Keysight-equipment] Spread the word -- Swap Meet Returns!
Ferric cloride wasn¡¯t used commercially for PCB making in Germany probably because of the potential impact on worker health but also because it was pretty aggressive, most companies used ammonia
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Lothar baier <Lothar@...>
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#124003
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Re: Protecting Equipment
greenboxmaven via groups.io wrote on 3/20/2022 2:02 PM: Hello-- Dual-primary transformers can serve as isolation transformers. Use one 120 V primary as the AC input winding, and? the second 120 V
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Brad Thompson
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#124002
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Re: BS, was Re: [HP-Agilent-Keysight-equipment] Spread the word -- Swap Meet Returns!
I had an experiment kit where the component leads were held in a bundle by a spring. Transistors were on a small square pcb that reached 3 pins (possibly with a commoned lead). I also had a Philips MW
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Adrian Godwin
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#124001
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Re: Protecting Equipment
An older Uninterruptable Power Supply makes a very convenient way to reduce line voltage. Find one of the old "loaf of bread" sized units that uses the large 60 cycle transformer, rather than the
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greenboxmaven
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#124000
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