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Thanks for the Rad Lab link. It appears that all the volumes are available in PDF format. I'm downloading them all now. Having read a history of the Rad Lab and a biography of the man responsible,

Battery fitted inside equipment is exempt David Sent: 22 November 2018 12:58 To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] Warning to buy equipment

Ahh the GSP "police" There are two main reasons why GSP may say something is restricted 1/ it's hazardous to ship e.g. batteries chemicals. The rules on batteries are complex, but a internally

Someone I know had a lithium ion battery distroyed. The seller should never have shipped such an item in the first place, and the seller lost his money. It seems the GSP was kind to the seller in

I just bought a HP 8593E on ebay. It was going through the Global Shipping Programme (GSP). For no good reason they said it is restricted unit and it cannot be exported to Denmark. The seller will

The GM / Marconi TfT deivces are thermocouple arrays. Bismuth /nichrome couples bad as a electrical generation device but can be made to match 50R. The resistor thermocouple types were common in RF

There's a copy of the Rad Lab series on ko4bb.com: http://eww.ko4bb.com/getsimple/index.php?id=manuals&dir=03_App_Notes_-_Proceedings/RadLab_Series -- john, KE5FX

Part number would be 86603- 60074 Never had to fix on so can't help further Robert G8RPI.

Perhaps a picture would be useful too. Daun Daun E. Yeagley II, N8ASB

Ham Radio magazine (Dec. '77) had an article on building a "bolo-meter" type rf power meter ...Used small light bulbs in the sensor . I found a few pilot lights from old cb's that had the right

Hello, Addressing another device using interactive IO doesn't seem to release the 436. What I did find out though was that viRead - wich is what interactive IO actually does - gets 14 characters

I guess a part number for the attenuator in question would help. Everyone does not have 86603A manuals to check the part number. The o-ring failures are quite common. The attenuators with o-rings are

Chuck and others, No doubt you are right about the small light bulb been used: Here is my memory from EE school: In ancient times, the 1960’s (if I remember right) a bolometer system was

I had asked if anyone was familiar with this type of atten. NOT the 8495 style, but a long stick. I guess no one reads. NO O rings. JeffIn a message dated 11/20/2018 7:02:42 PM Eastern Standard Time,

NOT O Rings. Different design than the small flat guys.

Try addressing another device?? (Even one that doesn’t exist...) Dave B (G0WBX) ------------------------------------------------------------------------ *Re: Readings from 436A power meter using

Hi Ed, The output pulse is inhibited while the switch is rotating by?the pulse from?contact 4F on S1 (attenuator level) this feeds an RC network R18/C4 and Q2 on A7. If you turn the switch too fast

Hello, Indeed a point. Not having a second 436 around, I will try this one and see where it gets me for now, but if anyone would send me a 436 - I’d be happy to test :-) Regards, Staffan

It’s not impossible that you have a stuck gate somewhere, and the operation you observe is not normal for the instrument. It’d be worth checking that against another 436A. Cheers, Kuba

I'm fixing up a magnetic step attenuator salvaged from an 8555A SA plug-in, to use in my TG project. I have some of these nice old attenuators, and the special rotary wafer switches that encode the