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Re: HP 8405A Probe repair
Thank you Jorgen. Your reply made me rethink my troubleshooting strategy. I had failed to consider that the diodes are at greater risk of failure, more so than the FET. The bad voltages measured
By Arthur Shulman <dentist@...> · #204 ·
Re: HP 8405A Probe repair
<dentist@n...> wrote: Hmm, surely, the fet could die, too, but "normaly" the probes fail with shooted diodes! And they could measure nearly OK but some parameters may have changed and so the bridge is
By Jorgen Lund-Nielsen · #203 ·
Probes...
Hi Guys This is my first posting to this group. I am wondering if anybody knows about the "10032A" scope probe? Its a 100:1 probe has 3Mohm 3pF input loading and a max of 300V input. Its a really
By Mr mervyn ashton <mervynashton@...> · #202 ·
Re: 54110D scope power supply problems
I own the manual of servicing the 54111D model .There is only a block diagram for the 3 supplies: One is general and the 2 others are for "digital" and for "analogic" I will receive a second 54111D
By guyroyet <guy.royet@...> · #201 ·
HP5245L
Hi all, I hope you all enjoyed the Easter break. I am looking for a site to download a manual for the HP5245L frequency counter. Thank you Gary Beech VK2KYP
By vk2kyp <gbeech@...> · #200 ·
HP 6115A Power Supply Manual
Looking to purchase a copy or original manual for the subject equipment. Arthur Shulman VE3ZV
By Arthur Shulman <dentist@...> · #199 ·
HP 8405A Probe repair
I am saddled with a perfect 8405A with one defective probe. Swapping the sampling board between probe tips shows that the fault follows the board. The measured voltages are correct for the good board,
By Arthur Shulman <dentist@...> · #198 ·
Re: Test - do not read
Like a three year old I looked. Welcome aboard, Dan Tulloss Senior Metrologist National Test Equipment, Inc. 760.639.1700 760.639.1799 fax www.nationaltestequipment.com
By Dan Tulloss <dtulloss@...> · #197 ·
Test - do not read
Test
By Arthur Shulman <dentist@...> · #196 ·
54110D scope power supply problems
Dear All, I have a 54110D scope which exhibits power supply problems. I've followed the troubleshooting guide in the 54111D service manual which leads me to believe that the analog board is
By nn2027299 <silvermoon.group@...> · #195 ·
Test only - do not read
test
By Arthur Shulman <dentist@...> · #194 ·
HP 8558B / 853A used with HP 8444A
Anyone using a 8558B Spectrum Analyzer in a 853A Digital Mainframe... used with a HP 8444A Tracking Generator. I would like to communicate with you...
By w2hld · #193 ·
HP3406A wideband voltmeter
Hi All, Happy Easter, some time ago I brought a secondhand HP3406A wideband voltmeter. I would like to download the manuals for it. Can anyone please help with a website to do this Thank you Gary
By vk2kyp <gbeech@...> · #192 ·
HP5385a Frequency counter
Hi There, I have just brought a HP5385a, unfortunately it did not come with any documentation. I would appreciate any help. The unit appears to work well thank you 73's Gary VK2KYP
By vk2kyp <gbeech@...> · #190 ·
Re: Request for HP 1740A Oscilloscope Manual
Many thanks for your assistance. I now have an excellent copy. Best regards David
By David Jarman <davidj@...> · #189 ·
Storage Normailiser Cable
Hello group, I'm chasing a 8750A to 8412B interconnect cable. I have found a good source for new ones, but was rather hoping for a cheaper secondhand one. Who has shed full of
By twobores <rsawday@...> · #191 ·
Re: Request for HP 1740A Oscilloscope Manual
You can download it from here http://www.slack.com/pdf/HP1740A-op.pdf Dave <davidj@j...> wrote: Yahoo
By David Rosen · #187 ·
8753A service manual?
A friend has a 8753A with problems in the sweep or perhaps horiz. amp. circuit. Does anyone happen to have the schematics for this unit? Thanks!
By Mark KAHRS <kahrs@...> · #188 ·
HP 8558/853A used with 8444A Opt 059
I'm using the subject Spectrum Analyzer and Digital Mainframe. Just purchased a 8444A/059 Tracking generator and ran through basic testing. My question relates to the "Manual Scan" function
By w2hld · #186 ·
Re: 250+ HP Agilent Manuals on CD L@@K
Of course it did, John. But Jos??? has never been shy about admitting that this was LOGSA material, and that he was selling the compilation as a convenience product. We all could spend a lot of
By Fred Olsen <fwolsen@...> · #185 ·