Re: HP 8920A Diagnostic Test Error
The way that the 8920 generates the low frequency is somewhat counter intuitive. There are three paths in the Outpur Assembly The synthesizer runs from 500-1ghz? ?so that range is just straight
By
John Yelmgren
·
#108
·
|
Re: HP 8920A Diagnostic Test Error
The replacement Output Module arrived and the 8920A now passes all self tests.? Thanks to all for their assistance. If i can figure how to crack open the Output Module, I may try to find the
By
Paul Christensen
·
#107
·
|
Re: 8920A DC power connector
Super! Thanks Colin Sent: 22 July 2020 20:33 To: [email protected] Subject: Re: [HP8920/8935 Family] 8920A DC power connector Description: Connector body Agilent Part No:
By
Colin Smithers
·
#106
·
|
Re: 8920A DC power connector
Description: Connector body Agilent Part No: 1251-4782 Tyco/AMP Part No:350777-1 Quantity: 1 Description: Contact Pins Agilent Part No: 1252-0385 Tyco/AMP Part No: 350547-6 Quantity: 2 Copied from
By
John Yelmgren
·
#105
·
|
Re: 8920A DC power connector
Thanks George. Comforting to know I¡¯m not alone trying to source this. Rgds, Colin
By
Colin Smithers
·
#104
·
|
Re: 8920A DC power connector
Hi Colin I found the correct connectors in a scrap Dell UPS George G6HIG Dover UK On Wednesday, 22 July 2020, 17:06:29 BST, Colin Smithers <colin@...> wrote: <!--#yiv5167651868 _filtered {}
By
george edmonds
·
#103
·
|
8920A DC power connector
Does anyone know where to obtain a DC power lead or just the connector for an 8920A? Kind regards Colin Smithers
By
Colin Smithers
·
#102
·
|
Re: HP 8920A Diagnostic Test Error
Good advice.? I did try re-seating the modules and re-tighten the bottom plane SMA connectors.? No go.? 1 MHz still fails.? I have ordered two spare output modules to try.? They should arrive
By
Paul Christensen
·
#101
·
|
Re: HP 8920A Diagnostic Test Error
just a quick note on my post. The DUPLEX port is capable of higher level outputs ....like 7dbm IIRC The RF I/O can make it up to 0dbm? IIRC in some cases . Please refer to the documentation The short
By
John Yelmgren
·
#100
·
|
Re: HP 8920A Diagnostic Test Error
looks like you have a bad output assembly but since it's on the low frequency side I would try to re-seat the output , referencne and synthesizer boards and also re-seat and? tighten the rf
By
John Yelmgren
·
#99
·
|
HP 8920A Diagnostic Test Error
I ran a comprehensive RF-DIAGS error test on a recently acquired HP 8920A.? One failure occurred and it reports as follows: "Output Assembly Output Frequency Range Closed Loop 1 MHz Lower Vdc:
By
Paul Christensen
·
#98
·
|
Re: Program to retrieve HP8920 calibration data...
Hi Angelo! Thanks for sharing your equipment calibration data, I'm sure it will help me a lot! I'll let the group know when/if I manage to get something usable out my "rainy winter" project (still
By
Jeff
·
#97
·
|
Re: Program to retrieve HP8920 calibration data...
Hi Jeff, I am sending to you calibration data files from two different HP8920 of mine. One seems manufactured in USA, the other from UK. The second developed the same problem of yours, with the
By
ik0ibi
·
#96
·
|
Re: Program to retrieve HP8920 calibration data...
Hi Aretrac, Thanks a lot for taking time downloading your test set cal data and sharing them. I just had a quick look through them so far, and that already gives me priceless information that will
By
Jeff
·
#95
·
|
Re: Program to retrieve HP8920 calibration data...
Why??? Each set would have different data because of component variations. IOW you couldn't plug in someone else's? data and expect it to work correctly. Where it would be handy is to have "your" cal
By
avvidclif
·
#94
·
|
Re: Program to retrieve HP8920 calibration data...
you really need to start a new thread on the repair. Regardless two things .. 1. use an external reference and see what that clears up. 2. verify the power supply your self? ...the selftest checks
By
John Yelmgren
·
#93
·
|
Re: Program to retrieve HP8920 calibration data...
Hi All, I am new to the group. I am trying to get my HP8920A working again, it blew a RIFA capacitor when I powered it up. I have replaced the RIFA caps and it is now failing the DMM, Counter and
By
Aretrac
·
#92
·
|
Re: Program to retrieve HP8920 calibration data...
Hi All! Was anybody able to try the program and get cal data out of their test set? If so, would that be possible to share the data? That would be highly appreciated! Thanks! Jean-Fred
By
Jeff
·
#90
·
|
New file uploaded to [email protected]
Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the [email protected] group. * /HP-8920a and
By
[email protected] Notification <HP8924-Family-Spectrum-Analyzers+notification@...>
·
#89
·
|
Re: Program to retrieve HP8920 calibration data...
That direct link will not work - you have to search for " A_8920D.pdf ( https://nscainc.com/wp-content/uploads/pdf/A_8920D.pdf ) ", which will get you to a working download location.
By
@WB4YJT
·
#88
·
|