Re: Neon pilot lights 1450-0566
No. But usually they will pull straight out the back in my experience and you can slip in an NE-2. Jeff
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Jeff Kruth
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#73779
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Re: Looking for a manual "250A RX Meter - Test and Alignment Procedures"
I found a few hits for pdf manuals including one from HP. Bob
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Bob Albert <bob91343@...>
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#73778
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Re: eBay buyer protections are poor
I'm not encouraging anybody to act likewise... (Used to be an honest person though.) Over the past few years I have been loosing enough money and time with eBay, Paypal and Chinese sellers that I no
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shakalnokturn
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#73777
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Re: Looking for a manual "250A RX Meter - Test and Alignment Procedures"
I have an original -hp- handbook but its identical to the one on BAMA so not worth trying to scan. -- Richard Knoppow dickburk@... WB6KBL
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Richard Knoppow
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#73776
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Looking for a manual "250A RX Meter - Test and Alignment Procedures"
Just found out Manuals Plus had an original, Tucker (blah) had a copy for the usual rip off price. Anyone have one or willing to make a copy, or let me copy it ? -pete
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petepdx1955
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#73775
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Re: Part Needed
If it's just an amplifier, you should be able to find something close enough from Minicircuits. Ed
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Ed Breya
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#73774
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Neon pilot lights 1450-0566
I've just had my second dead neon bulb in three months, the last was on a triple power supply and this is on a 141T mainframe. Not only is the thing hard to get out being fitted with a spring clip
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Dan Rae
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#73773
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Part Needed
I am looking for an IC chip that goes into a HP 5335A Counter, specifically on the A9 board (option 030), which is the 1.3 GHz INPUT C. The part number is 5088-7036, and it is a round 4-pin 1.6 GHz
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Joe Cline
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#73772
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Re: Hp 70900B ROMs
Hi Daun, Message sent. Jim
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amgod@...
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#73771
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Re: eBay buyer protections are poor
Hello Anonymous, Applause for the packing advice to vendors. I find that for vendors who keep advertising at OTT prices, a little note wishing them well with their exorbitant price and an estimate of
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Brian
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#73770
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Re: eBay buyer protections are poor
Actually, I only buy on eBay, never have sold. I absolutely demand this type of packaging and typically message a seller beforehand to make sure they can follow my request. I have even had them send
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twrch@...
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#73769
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Re: HP 3456a debug help
Hi Ed, Oh, one more thing: Have you checked the Test/Run jumper at J36? -Chuck Harris ed beers sreeb@... [hp_agilent_equipment] wrote:
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Chuck Harris
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#73768
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Re: HP 3456a debug help
Hi Ed, I think it might be best if I just shut up now.... I have been having trouble with my eyes, detached vitreous humor makes for some killer floaters. Since your brain tries to automatically fill
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Chuck Harris
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#73767
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Re: HP 3456a debug help
I assume the isolation logic works since test 3 passes. ALE synchronizer works. FRAC logic appears to work. That doesn't leave much besides the 8048. My manual shows U9 to be a 74ls375. Pin numbers on
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ed beers
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#73766
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Re: Z3801A GPSDO discipline algorithm
If yo are not a member, I would suggest subscribing to and posting on the Time Nuts mailing list for answers of this sort. They are the real hardcore timing and GPS group. There is also a wealth of
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Greg Muir
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#73765
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Avcom 65A service manual
Anyone have a good copy of the Avcom PSA 65A spectrum analyzer. service manual. My unit has been powered off for about 15 years. Does not sweep - and display not tracking frequency . Thanks in advance
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Bradley Glen
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#73764
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Re: HP 3456a debug help
Hi Ed, Sorry, I missed the part of your post about your having swapped A30, it was late. I agree that the problem is most likely on the A30 board. I still think it unlikely that the microprocessor is
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Chuck Harris
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#73763
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Re: HP 3456a debug help
The main cpu board looks newer than the rest of the boards and has a single u7 27xxx rom. My other unit is newer and also has a single rom. Which brings up a new question. I hadn't given any thought
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ed beers
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#73762
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Re: HP 3456a debug help
The failed unit has serial 2015Axxxxx. It has the fan and filter. The main cpu board looks newer and has a single u7 27xxx rom. The problem A30 board is all digital appears to use only 5V which looks
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ed beers
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#73761
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Re: HP 3456a debug help
What is the serial number range of your 3456A? (Does it have the mesh and black plastic filter, or the TO-3 on the rear panel?) ?The early "filter" versions tend to have bad ROMs, but all can have
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Dave Seiter
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#73760
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