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71455

Re: Availability of a HP-4342A and Typical Cost

I'm ok with the Botton 260. Its cheap and looks to do the job. ... From: David DiGiacomo telists@... [hp_agilent_equipment]
Jack Mcmullen
7:40 PM
#71455
 
71454

Re: HP3325 repair

... Is the DC offset at zero? If not, it will affect the signal you are looking at. 74LS109 is a LS series 'Dual JK Positive Edge Trigger Flip Flop' so the
Michael A. Terrell
6:50 PM
#71454
 
71453

Re: Availability of a HP-4342A and Typical Cost

... A bit of an odd statement, since the TS-617/U was made by Boonton. Are you thinking of the TS-617B/U or C/U?
David DiGiacomo
6:11 PM
#71453
 
71452

Re: Availability of a HP-4342A and Typical Cost

I prefer the TS-617U. A lot more modern and without the Boonton issues...and it still uses tubes. ... From: Jack Mcmullen forjack842@...
Geoff
6:05 PM
#71452
 
71451
Michael A. Terrell
6:04 PM
#71451
 
71450

Re: 3561A Mystery Board

Well I removed the flyback (not a very fun task!) and it's shorted. I checked Keysight and of course it's unobtainium. I was thinking if there might be an LCD
ge_mcclung
4:55 PM
#71450
 
71449

HP3325 repair

Does anyone have any knowledge of the 3325? I recently broke mine and have repaired much of the damage. At present I am working on the amplitude. The LVL is ok
wallydoc
2:42 PM
#71449
 
71448

Re: HP 8593 "A" verses "E" models

Sorry I meant HP 8593A not HP 8583A.
rastr0
1:16 PM
#71448
 
71447

HP 8593 "A" verses "E" models

Can anyone explain the difference between an HP 8583A and an HP 8593E spectrum analyzer? I looked at the data sheet's and didn't see anything that jumped out.
rastr0
1:14 PM
#71447
 
71446

Re: Availability of a HP-4342A and Typical Cost

Ohhhhhh my head hurts! The black magic of the LCZ has always made my woozy. I'm ready for the 3D printer method.....enter the freq, C, Q and power and out
Jack Mcmullen
10:41 AM
#71446
 
71445

Re: Availability of a HP-4342A and Typical Cost

I guess I could use a sweep gen at center freq of the trap and see the slopes. ... From: edbreya@... [hp_agilent_equipment]
Jack Mcmullen
10:19 AM
#71445
 
71444

Re: Availability of a HP-4342A and Typical Cost

If the L, C, Q, and f ranges are small and specific, why not just make the measurements directly in-circuit or with some simple test setups? You would have
edbreya
7:46 AM
#71444
 
71443

Re: Availability of a HP-4342A and Typical Cost

I had intended to include the following in my earlier Q-meter comments but didn't have time to do so then. A Q-meter works by resonating the unknown inductor
Jack Smith
Aug 27
#71443
 
71442

Re: Availability of a HP-4342A and Typical Cost

Evening Jack, Ok will do, down loaded the whole notebook set and whatever else was there earlier this afternoon. Thanks for the heads up! Jack KG6INX ... From:
Jack Mcmullen
Aug 26
#71442
 
71441

OT: Trying to ID Yokogawa HVPS

I recently got a junk HVPS for parts, but would like to ID if possible to see if it's fixable - there's a regulator/control board missing that seems to be
edbreya
Aug 26
#71441
 
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