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Hello, I was looking for an HP 9000 series 300 to run the HP BASIC software and I found this one in the photo attached. Does anyone recognize the model number? Looks interesting to have the display

Interesting, So it was your LODA that was faulty in the end or something Elise ? I know about the "SHIFT +FREE RUN" command to ignore any YTO UNLOCK, but i dont know about the other one, i'll give a

hello all, first of all, real device model is HP 54501a (not 503a, my bad). After reading the 3 eproms (two 27C010 and one 27C210) using my brand new XGevu T48, I see that the two 27C010 read

== I debugged a similar issue on an 8566B (fortunately it was LODA and not YIG) and I believe 8568A shares most of the architecture with 8566B. On 8566B: - There is a jumper to disable YTO unlock

The next thing I tried was to put a tiny 10R SMD resistor across the 50R termination. This brings the effective source impedance down to about 7 ohms. This should really reduce the droop at 500MHz.

Okay, it's really silly. I dealt with the problem in a fairly simple way - the battery was dead and needed to be replaced. Without a battery, or with a 0V battery, it is impossible to perform the

I managed to write some code to control the sig gen and the 1GHz Tek scope using the classic levelling system described a few posts ago. I tested the 50R input of the scope first and it was flat to

That is what i've done so far, but i'm still unsure of my conclusion. That's why asking if someone ever had the same symptoms. Because i want to buy a new YTO and i want to be sure that it is the YTO

Just type N9020A into the search!

I'd like more hints. Searching has not turned up a company as you describe.

35677A is 50 Ohm 35677B is 75 Ohms Cheers! Bruce

Moderator's note: I sent this second message through as it contains additional information. Blame the redundancy on me, not on the new member. (who is an amnesiac ;)) Hopefully someone can help him

Hello there.? Please help me with my LA HP16702A;? OPT003;? SN: US40020416;? U3 chip firmware on CPU board rev2.1 (in case this information is needed). All photo/video files will be uploaded to my

That's a good point. The schematic only shows a single diode in the probe.? But I did also find a figure for the bulkhead output when fed 10uW and mine is low, so I suspect it's an ESD type failure

Please understand the way they do it over there!! Even simpler things have similar . multiple outlets- at ec alliexprex.It seems they do not care as we do do. But I and several others in

Carsten Them???---it’s a short form for the ebay sellers company-well known in second hand electronics world wide...do you want who I have dealt with? Hardy -----Oprindelig meddelelse----- Fra:

Yes Carsten the same items are listed with multiple sellers and understand it looks a bit bogus. However it looks like mobile phone manufacturers are getting rid of their old test kit to anyonyone and

Yes how astute of you as was I and hence why I had to message the seller 20+ times! It is the whole thing with all the options listed. JB.

Who is “them” (if there are multiple accounts)? Grü?e, Carsten

Yes, take care, for instance if you read the (very) small print much further down on the listing from of the 'other sellers' with the title: 1pc for used Keysight N9020A MXA signal 3.6G spectrum