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Re: Introduction
Hi Robert, I have two HP scopes. One is a 130C, which I will probably keep, at least for now. The other is a 140A with 1405A and 1420A plug ins. I will sell the 140A but at this time I have no idea
By Skip · #237 ·
hp 5100A /5110A synth set
Hi all, I'm new to this group, but not so new to vintage HP and other test equipment. I'm sure there are a few familar names here! I have recently found a nice clean 5100A/5110A synthesizer set and
By morriso2002 <morriso@...> · #236 ·
Re: Introduction
By Robert Middleton <romhifi@...> · #235 ·
Re: Introduction
Hello Jack. This is Robert. I have a list of H.P. Oscilliscopes I am looking for. Perhaps you might have a few of them or perhaps you could point me in the direction of where I can locate them?
By Robert Middleton <romhifi@...> · #234 ·
Re: Introduction
I'm in Tulsa, OK..
By Hank WD5JFR · #233 ·
Re: Introduction
Hank WD5JFR wrote: I'm in Klamath Falls, Oregon. That is south-central Oregon, 20 miles from the California border and light-years from any recognized civilzation. Jack
By Skip · #232 ·
Re: Introduction
Jack Where are you located? tnx Hank WD5JFR
By Hank WD5JFR · #231 ·
Introduction
Greetings All, I am a new member of the group and am looking forward to an enjoyable time here. I have a large inventory of HP boat anchors which I want to dispose of. Some I want to sell as
By Skip · #230 ·
HP 3310A Function Generator - Problem
I managed to switch off and on my trusty HP 3310A yesterday while it was connected to an audio system (not good practise!) and it now refuses to generate a signal from the low/high outputs. The
By David Jarman <davidj@...> · #229 ·
follow-up - HP 3439A
The HP 3439A has been repaired. It was C8 on A9 that had failed. I then zeroed the readout it using a calibration procedure found at https://www.logsa.army.mil/etms/find_etm.cfm. Thanks to everyone
By computeruser04 <computeruser@...> · #228 ·
Re: Manual Wanted
Hello Robin I have operators book scanned-will You have them uploaded? Best Regards Hardy
By hardyhansendk · #227 ·
Re: Manual Wanted
Original Message: Date: Thu, 6 May 2004 21:00:54 +0100 From: Robin Birch <robinb@...> Subject: Manual Wanted Hi, Has anyone got a manual that I can copy, scan or whatever for a
By Thomas P. Gootee · #226 ·
Manual Wanted
Hi, Has anyone got a manual that I can copy, scan or whatever for a HP 1740A? Or point me towards where I can download one? All costs re-imbursed. Regards Robin -- Robin Birch
By Robin Birch <robinb@...> · #225 ·
Re: HP 3439A
Sorry, it was a typo, I should have typed 3440. The manual is operating and service with schematics. My e-mail is: joseph@... Thank you
By Joseph Orgnero <joseph@...> · #224 ·
Re: HP 3439A
Joe I am interested in the manual if it is a service manual with a schematic. You say it is the same as the 3449 (typo?) Is it the same as the 3439 except for the sampe rate? If so I am interested.
By computeruser04 <computeruser@...> · #223 ·
Re: HP 3439A
Jorgen, I have an original manual for the HP 3440A voltmeter, which is the same as the 3449 except for the sample rate, cost U$S 12.00 plus shipping. Let me know if interested. Thank you. Joe Orgnero
By Joseph Orgnero <joseph@...> · #222 ·
Re: HP 3439A
Ripple is about 1.5v on the 150v supplies and about .5v on the 50v supply. This site: https://www.logsa.army.mil/etms/find_etm.cfm has the calibration procedure for the 3439A which gave me some
By computeruser04 <computeruser@...> · #221 ·
Re: HP 3439A
<computeruser@s...> wrote: Did you check all supply voltages for ripple? Power Supplys has to be checked first, ever! Jorgen
By Jorgen Lund-Nielsen · #220 ·
Re: HP 3439A
I don't know if it will make you feel any better but I have a Fairchild Model 7000, 5 1/2 digit Nixie tube DMM and I use it all the time. Works perfect. I also have a Systron Donner 6152A, 500 mHz
By regman10 · #219 ·
HP 3439A
Hello All I was just given an old HP 3439A Digital Voltmeter to play with. It has the 3443 High Gain/Auto Range plugin. The Nixie tubes light but display random digits. I have searched for a
By computeruser04 <computeruser@...> · #218 ·