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Not sure if I hit a setting but my trace is not settling at the bottom of the scope - it is about three-quarters of the way to the top.? The reference level is at -10db.? Is there something else I

The following files have been uploaded to the Files area of the [email protected] group. * /HP 8935/E8935 EPSG087543.pdf (

Hi Patrick You might find this article interesting ?by Agilent / HP 8935? E6380A Amtronix Instruments, Inc Also did find a service manual Part number E6380-90015 as apparently there is a family of

Hi all! Happy to have found this group. I've owned my 8935 for about two years now and it's been great for my radio needs. However recently it's started throwing the AFCI breaker for my lab. I've

Yes - that was the kit I had used where you sent back the card, etc.? ?Ok well again I was just curious.? And yes, a screw gun would help big time with this work. Thanks so much for all of the info

This was in the files.? All or almost all of the Yahoogroup files are here.? It's just a matter of finding them.? Ralph helped once again by giving me the file title. HP-8924C_100W_upgrade.pdf (

It was over 10 years ago I bought the upgrade 60 watt? kit from ebay .? It had the attenuator, an emblem to paste over the BNC and a card to up load the info.? I had to send the card back for a $

Yes - I saw those pads on eBay and that was what I did with the one 8924c that was upgraded.? You got a pad where you removed the one that was there and soldered in the new one which had the higher

You really need an almost 20 db pad as the 3 watt version already has a 4 db pad that is removed.? I think the heat sink is the same for the 60 watt and the 3 watt versions, so all you need is the

Thanks Ralph - that is an option and there were other posts that mention where to go to create the offset in the power.? You would need a 16 dB attenuator ideally to put the 100 watts down to 3 watts

You may want to do like I did a few years back.? Just buy an attenuator from ebay of a 100 watt rating that will fit the heatsink that is already in the 8924C.? There were some files in the files

Just asking about availability of the 8924c upgrade kit.? I did install this kit to an 8924c a long time ago where the higher dB value attenuator "pad" inside\soldered to the heatsink was changed and

Just something I thought I would share, not mine by any means.... https://www.ebay.com/itm/223792478672?hash=item341b1239d0:g:FW4AAOSwg95d7Lct Wally KC9INK

There IS Hope; There is an internal overload cutoff, with luck it tripped. 1. [shift] Meas Reset or "Green-Button PRESET" reset should clear it... Find something known up 100mW to 2W? make sure it

You could try to generate an output to see if that is still there. There is an “overload allowance” (power & time) as I recall, before destruction. I have 6 dB pads on my inputs because I am a

Well...it had to happen someday. I was trying to find all the problems in a ft767GX from a friend. It was a "tech special" parts radio, and "had no transistors on PA". I touched the MOX button with

The same way I do. Sent: 18 September 2021 08:40 To: [email protected] Subject: Re: [HP8920/8935 Family] DC Blocker - why not? So bad their carborundum resistors are

So bad their carborundum resistors are unobtainium or too expensive to be fixed. :(? ? ? ?guess how do I know. :( Colin wrote :

Last time i repurposed one was a 75 ohm BNC type.? I rebuilt as a 50 ohm 60 db for close-in T- hunting.

Some of the BNCs will unscrew and you might have to replace the insides, so if you smoke one dont throw it away.