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Any of you guys ever tried one of those test lead sets that have interchangeable tips? I think they are/where US made and from the 70s or 80s. I remember my brand new 3476A DMM back in the 70s came

I was asking about impedance measurements some time ago and mentioned Microwave Properties North, a local business. The link I gave was an old one because the site was down. It is now repaired and for

Peter, On my 8753D, you need to add "[Meas], ANALOG IN"? after the "MORE, REAL".? The "[numeric input], [x1]" then selects whatever analog input is desired. I think they just got the command

Hi Yes, its 27C512 if you have the 6 eprom version. I think there is newer version of the cpu board that only have 4 eproms, so check. It is also advised to replace the eeprom, if its the original

I think I would modify the power supply section.

The "drive" to the attenuators is just open collector transistors switching to ground. the posiitve supply goes to the common This is pin 1 on the viking connector. To use on other voltages just

GR 1693 works from 12Hz to 200kHz. It is still being manufactured, BTW: https://www.ietlabs.com/1693.html I have two of those (one original GR and one later Quadtech unit with switchmode power supply)

On Thu, Feb 28, 2019 at 10:29 AM, ghnatiuk@... wrote: > > Dave, > A non-zero reading on low volts DC and AC range with an open input to the > meter means nothing other that you have pickup

Thanks for answer. Having a look at the real manual (the old one, not the one on the Keysight's web site without schematics) and at the drivers board, I find it is not easy as the 2V is not only used

Thanks George, I am not used to such quality equipment. ;-) Dave wrote: -- 72 de Dave VE7HR

Hi Steve and Cary That looks sweet. I just got the software in another email. I will have to try it out soon. My HP3478 should arrive soon so I can try it out. Thanks Steve and Cary. Dave VE7HR wrote:

Sorry, ... kind of obvious: ?the GR 1693 is limited to 10 KHz measurements, ? ?assuming higher frequency HP / Agilent units trump this aspect.

Anyone know how the ?General Radio / IET ?1693 RCL ?Digibridge meter ?compared with the various HP/ Agilent ?LCR units ?? The 1693 RCL was supposed to have been a metrology lab instrument, for

I want to publicly thank Cary Oler for putting together a slick data logging and graphing application that I find highly useful and you may too. It runs under Windows 7 & Windows 10 (and probably

Hello. Funny you should ask! I just purchased one of these (standard 11713A) for the purpose of testing HP/Agilent attenuators of various types and voltages. My plan is to somehow add external

I have the one without the integrated S parameter box, and yes I’m feeding some of the output back to the R input. Definitely an internal problem. Peter

I assume this has the integrated s-parameter box? If not, put a power splitter on the source out and drive the R & A channels. That message occurs in these beasts when the R channel has no input. Jeff

Hello, A lot of HP/Agilent/Keysight attenuators are operating under 15V or 5V instead of the traditional 24V supplied by the 11713A. Is there a HXX option for these supply levels or did anybody modify

Hi George, I hava a 8648B with the same symptoms, did you succeed in fixing it ? ? Thanks Rémi

Hello, I'd like to upgrade the firmware of my HP8562A sa, Can any-one confirm I need to order 27C512 Eproms?? Many thanks, Harke