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Rack Mounting parts and pieces
Hello All, I'm welding up a 19" Rack assembly to span an 8' bench so I can mount the gear up off the table and I'm looking for the screw on rack ears, the plastic spacers used to mount a couple of
By mikenearlibertymo · #48379 ·
Re: HP-608A Repair
It's really very simple. The center conductor of the connector goes through a 53 ohm resistor to one side of the pickup coil, the other side of the pickup coil goes to the sleeve. The center
By MAX · #48378 ·
Re: HP 3456a was Re: HP 3478A general questions
Ross, I have a Tek 2465BDM sitting on top of the non vent part of the 54111D. As much as I would love to, it sounds like I shouldn't put a 3456A under all of that. The vents on top of the 54111D stop
By Jeff Machesky · #48377 ·
Re: HP 3456a was Re: HP 3478A general questions
Hi, I have 2 HP3456A and I really like them. The HP3456A is a shallow chassis. The HP54111 is about 4 inches longer (part of that is the rear feet). I have stacked alot of weight ontop of mine
By si_emi_01 · #48376 ·
Re: HP 3456a was Re: HP 3478A general questions
Wow, thanks for all the info. This will help me make up my mind as to the direction I go. The boss lady has said no purchases until after x-mas. So I'm doing my research while I wait. Think I can put
By Jeff Machesky · #48375 ·
Re: HP Oldies.
All issues, 1 through 37, of "The Notebook" are archived here: http://www.hparchive.com/Boonton.htm 73 Glenn WB4UIV
By Glenn Little · #48374 ·
Re: HP 5335A - Need some parts. -followup
Ok, the 5335A is now working. One of the group members kindly came up with the needed cables and that led me to the original problem with the unit. A bad input fet, 1855-0300, Q5. The best I could
By tmillermdems <tmiller11147@...> · #48373 ·
Re: HP Oldies.
Hi All I think I can help answer this: At a hamfest last year, I picked up a complete collection of the Boonton Radio Corp publication " The Notebook". This was a periodic publication by Boonton
By johnsorj666 <johnsorj@...> · #48372 ·
Re: 70902A spectrum analyzer IF module RESOLUTION BANDWIDTH problems
Yes, I know, thank you. In fac, there are yellow stickers warning about it on the covers. I went ahead anyway, I'd rather have them a bit off than the others unusable at all. No free lunch, I
By Roberto Barrios · #48371 ·
Re: 70902A spectrum analyzer IF module RESOLUTION BANDWIDTH problems
Thanks Ed, I will take a look at those control signals and see what we find. Roberto EB4EQA
By Roberto Barrios · #48370 ·
HP 8551 Spectrum Analyzer FS or trade?
Hello all, I have an HP 8551 spectrum analyzer I would like to offer for sale or trade. It works reasonably well, as I describe in more detail below, but I am starting to upgrade my home shop with
By Daniel Koller · #48369 ·
Re: HP 3456a was Re: HP 3478A general questions
Where can you buy one of these for $50? Bob
By Bob Albert <bob91343@...> · #48368 ·
HP 3456a was Re: HP 3478A general questions
The 3456a was the most accurate in the HP fleet when introduced in 1981. The model line was 345x, so in its heritage was the 3455, 3457, and finally the ersatz standard DMM today, introduced in
By marvgozum <mxg003@...> · #48367 ·
Re: 70902A spectrum analyzer IF module RESOLUTION BANDWIDTH problems
If you open the castings of the 70902A, the filter shape of the 3 or 4?narrowest ist lost. Aligning the filters can only be done by the dedicated software. ________________________________ To:
By jfphp · #48366 ·
(No subject)
http://aubreyloganterry.com/images/qj35990x.php
By STEVE REEVES <steve_reeves@...> · #48365 ·
Re: 3456A Voltmeter
Agreed, winter here, humidity < 20% and insane static levels. A 3456A can read multiple volts on open terminals around here. Short the terminals with a short section of small (say 28ga)
By Christopher Brown <cbrown@...> · #48364 ·
Re: HP-608A Repair
Missed this. Pretty heavy but not 100 lbs. I used to work on 620, 616, 614 generators and could manhandle them without too much trouble. These and the 608, 612, etc, were built like steam
By Richard Knoppow · #48363 ·
Re: HP-608A Repair
By Richard Knoppow · #48362 ·
Re: HP-608A Repair
On 12/22/2012 12:09 AM, Merchison Burke wrote: > > If I recall correctly, I believe that the sliding portion of the > attenuator can be removed from the fixed portion to effect repairs on > the
By doug · #48361 ·
Re: 3456A Voltmeter
Are you aware the very cheap DMMs are often only 1 Meg input resistance instead of the 10 meg in better meters. They can still be very useful as long as you realize they can load a high impedance
By Jaanette Black · #48360 ·