¿ªÔÆÌåÓý

Date
Re: 8662A
Thanks for the tip John. Another list member was able to provide me with the schematic (from a book by Ulrich Rhode), but of course no information on adjustment was available. The main reason I
By Mike Feher · #396 ·
Re: 8662A
Mike, you might write to Tom Bruhns (k7itm (at) aol.com, or tom_bruhns (at) agilent.com) and see if he can hook you up with the in-house service procedure. He's an Agilent engineer who's frequently
By John Miles <jmiles@...> · #395 ·
Re: HP analyser cables?
George at www.glkinst.com can probably fab the cables for you (if not the grabbers). -- john KE5FX
By John Miles <jmiles@...> · #394 ·
HP analyser cables?
Hi, Does anyone have the part number for the woven cable that goes between a HP 1650B series logic analyser and the pods? Even better - does anyone have any spares? The cables consist of a pair
By Philip Pemberton <philpem@...> · #393 ·
Re: 8552B problem
I think the best old paper capacitor is a replaced one (with a modern plastic type) however if you want to test them a Megger (high voltage insulation tester) is very good for finding leakage at high
By Don Black <jeans@...> · #392 ·
8662A
I have made some progress since my initial post on my defunct 8662A. One of the 2N5397 JFETs in one of the oscillators was defective and now both oscillators need to be aligned as they only operate in
By Mike Feher · #391 ·
Re: Blue face HP 436A?
I have the blue face HP 8510B System. I was told it was configured that way for theft reasons. Dan
By Dan Tulloss <dtulloss@...> · #390 ·
Re: Blue face HP 436A?
Hmm. Yeah, that's pretty ugly (I just looked). My 436A is the standard HP color. Interesting stuff; I didn't know they made anything like that. -- john KE5FX
By John Miles <jmiles@...> · #389 ·
Blue face HP 436A?
I've noticed so far three 436A power meters on ebay with light blue front faces, though everything else about the instrument seems to be in normal HP colors. I've seen a couple times a Fluke 8060A
By DON CRAMER <donlcramer@...> · #388 ·
Re: 8552B problem
Dave, I know that you've already gotten the unit working. But, for future reference: One thing that I usually do first, when checking electrolytic capacitors, is to test their ESR (equivalent
By Thomas P. Gootee · #387 ·
Re: 8552B problem
thanks John
By Dave Faria <dave_faria@...> · #385 ·
Re: 8552B problem
Hi Dave, well its going and working like its suppose to. I don't really know what I did except possibly clean the card edge contacts by taking the cards out and putting them back in. The contacts
By Dave Faria <dave_faria@...> · #383 ·
8662A
I am trying to get my 8662A to work. I bought it knowing that it had problems. I now have most of it working but believe that one of the VHF (320-640 MHz) VCOs is not behaving the way it should.
By Mike Feher · #386 ·
Re: 8552B problem
Standard FAQ on the 141T equipment: put an extra washer under the D-connectors that join the RF and IF plugins, and/or bend the fingers out a little to improve the mating. It will save you a lot of
By John Miles <jmiles@...> · #384 ·
Re: 8552B problem
Thanks Erik
By Dave Faria <dave_faria@...> · #382 ·
Re: 8552B problem
Dave I have a cap. checker built into a vom. Would I be able to test the cap.s in the circuit without doing damage to surrounding componets? The checker is a late model Wavetech Meterman. I know I
By Dave Faria <dave_faria@...> · #379 ·
Re: 8552B problem
Hello Dave , In my many years of experience in service / fault finding it is my opinion that only two good ways exist for cap checking ... 1) knowing how the circuit works and finding the fault by
By ericapple2004 · #381 ·
Re: HP 8657A HIGH STABILITY REFERENCE
Bruce: Check with George at the following website: http://www.advcommunicationsinc.com/ If you talk with him, tell him that Harold from Spartanburg recommended him. Good luck! Harold
By Harold Kinley · #380 ·
Re: 8552B problem
Hi Dave. Thanks for ur comments. The way I tested the unit is I soldered a cable to the test points and removed the side panels on the main frame. Both the side panel and carriage frame are held in
By Dave Faria <dave_faria@...> · #375 ·
Re: CORRECTION TO HP #
Is that a standard 10811 or 10544 module? They are fairly common on eBay, if so. -- john KE5FX
By John Miles <jmiles@...> · #378 ·