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Ozan, Boy, did I make a big fluff!! Your recent comment regarding the erroneous IF frequency in my last post brought me to take another look at the stage gains/levels that I had mentioned in that

Low end roll could be connector or bellows cap, guessing the later, but remote diagnostic is asking for trouble. Willing to help

Hi I have a HP 478A Thermistor head that works OK above 2 Ghz but reads low below 2 Ghz I assume there is a problem with the internal series capacitor Has anyone had a similar fault and is there any

alex@... writes: You can check

Hallo Alex, Unfortunately I can't give you great advice, but will say the following: 1)? When you replace certain parts of the instrument, you have to go through a full recalibration procedure to

One way to verify is to insert a directional coupler and measure the output of the yig at the coupled port. However, doing the double swap as you did should be proof enough. You got a bad one. It

Hi, I have a 8753D VNA with Option 006. Unfortunately it stopped working and shows "No IF found: Check R Input Level". The problem is only at 3 to 3.8 GHz output frequency range. I did all the tests

It is possible to run HPBASIC/WS based software on 9000 series 700 machines, but there are some caveats/limitations, I listed some below. First, HPBASIC/WS versions are for use on Motorola based

First place I would look (after checking power supply) would be the YP loop - low signal into the loop will cause PLL to unlock. Also do a CW scan using RPG and note if there are particular places

Thank you all! wrote:

YIG wrote:

My 8340B seems to have phase lock problem. There are no self test failures, and all the <SHIFT> front panel diags pass as well. The 10 MHz ref is clean, the power supplies are clean, so I am not sure

One thing to be careful of when using the "tiny" tools is FREQUENCY ACCURACY. You will be working with some narrow bandwidth components and an off frequency signal might give (apparently) incorrect

Rik, The push-on coax connectors are type SMB. --John Gord

I just want to say thanks for all the info and suggestions. Working my way down the chain looking at the signal levels using the tinySA Ultra, and using it's signal generator function to inject

Ken, Will let you know how I get on finding the connect female connector Mike Sent: 26 February 2023 20:09 To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] HP

Could not find 08590-60532, but the 1251-8912 is TE Connectiy 5-534204-5 Hope this helps [email protected]> wrote:

Can't provide too much, but typical failure on these is an ectrolytic near the AC input. It will cause the symptoms described. [email protected]> wrote:

Ken, Thanks ,as follows. 08590-60532 I believe that the connector on the card cage is the male and is a Amphenol 30x2 The part number from the CLIP is connector HP part 1251-8912 -this will be the

Dear Mike, No doubt I either have the 60x2 connector or can source one quickly. Please contact me today at WA1ESO@... John WA1ESO