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Date
Re: HP 8566B - Can my high voltage transformer be faulty?
Saevar, I used to troubleshoot Solid State CRT power supplies. Replace the fuse and any shorted components that drive the HV transformer. Use a variable power supply and bring up the voltage slowly to
By David Balma · #145062 ·
Re: 3562A Help/advice
A goofed up character generator (ROM) or maybe a dodgy address line to the character generator would be my first guesses. Address buffer chip gone poof maybe? I do not expect this problem to be caught
By Wilko Bulte · #145061 ·
HP 8566B - Can my high voltage transformer be faulty?
I have a HP 8566B as the title implies. The CRT tube does not turn on and I believe I have traced (at least one) fault to A1A3 high voltage regulator board. The HV oscillator does not oscillate and it
By saevar · #145060 ·
Re: HP 8340B sweeper and 8757A Scalar Network Analyzer. Do they work together?
My pleasure, Marco! Let me know if I can provide any other information! Steve
By Steve - Home · #145059 ·
Re: HP 8405A Vector Voltmeter Probes
Hi Jeremy and group, any updates on the HP8405A probe repair ? I've bought now a bunch of MMBFJ176 from Mouser and found a source for the 5082-2835 diode here in Europe. In browsing thru Avago
By DG7RBN · #145058 ·
Re: HP 8340B sweeper and 8757A Scalar Network Analyzer. Do they work together?
Great! So it's time to retire the 8350B and hire the 8340B! Thank you for your time. All the best Steve
By Marco Marchesi · #145057 ·
Re: HP 8340B sweeper and 8757A Scalar Network Analyzer. Do they work together?
Hi Marco, Yes, let¡¯s see if the picture comes through: Steve
By Steve - Home · #145056 ·
Re: Frequency References
In message <[email protected]>, maxwelloau <maxwelloau@...> writes Yes second that, good units:)... -- Tony Sayer
By tony sayer · #145055 ·
Re: HP 8340B sweeper and 8757A Scalar Network Analyzer. Do they work together?
Thank you Steve, so you can see the 8757A display annotated with the start-stop frequency set on 8340B?
By Marco Marchesi · #145054 ·
Re: HP 3852a extended memory modules info
I will try to make the bodge wire? invisible.
By Maciej Kawalkowski · #145053 ·
Re: HP 8340B sweeper and 8757A Scalar Network Analyzer. Do they work together?
Hi Marco, I have an 8757A with 8340B as the source and it works perfectly! Best regards, Steve WB0DBS
By Steve - Home · #145052 ·
Re: k&s 1470 Wire bonding reconstruction
It might be worth reaching out to Iban, EB3FRN, as he has my retired K&S 4526 which had the heated stage and manual. He has it setup and running-was considering adapting to deep access.You could also
By Lehane Kellett (G8KMH) · #145051 ·
HP 8340B sweeper and 8757A Scalar Network Analyzer. Do they work together?
Hi All, I have a Sweeper 8350B and a Scalar Network Analyzer 8757A in my lab. The two are connected like that: - 1 HP-IB cable between ?''8757 System Interface'' socket on 8757A side and ''HPIB''
By Marco Marchesi · #145050 ·
Re: 8566B - Low signal on 2-22 GHz band
Did you ever run the Preselector Peak routine? Vladan
By pianovt · #145049 ·
Re: 3562A Help/advice
Not really sure at this point - most numbers seem to be correct, but not all letters are incorrect.? At this point I have not done much other than play with the menus and reseated a few boards.? I
By Harold Foster · #145048 ·
Re: 3562A Help/advice
Is there a correspondence between correct and your characters?? For example a bad bit being transferred?
By Peter Gottlieb · #145047 ·
3562A Help/advice
I just bought a 3562A that was on ePay and received it today.? It appears to boot without issue however the characters displayed are (mostly) incorrect: Pressing the PRESET key leads to this:
By Harold Foster · #145046 ·
Re: k&s 1470 Wire bonding reconstruction
Hello, I was also interested in getting a K&S wire bonding machine for the same purpose to fix the HP YIGs but the ones that I found were missing parts. I was looking for any manuals that showed the
By Razvan Popescu · #145045 ·
Re: k&s 1470 Wire bonding reconstruction
No problem, Massimo, I am happy to help out.? I did get a response from one of my contacts to reach out to another person who may be able to find you a service manual.? I need to look up that
By Jim Ford · #145044 ·
Re: k&s 1470 Wire bonding reconstruction
Thank you Jim for your helpfulness. If anyone in the group has any questions about the project I am more than happy to answer them. Regards, Massimo
By @iv3hed · #145043 ·