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I doubt that Keysight would answer any questions regarding the 89441 as it is obsoleted since a long time ago. I have not seen FW 09.06 available or it is an unofficial/special version. I also found

This is the part I used to fix mine. Cheaper and easier to get. I think Digi-Key or Mouser. Sam Reaves ARS W3OHM Owner / Moderator of: LeCroy Owners Group on 开云体育 Sencore Owners Group on

Excellent, really appreciate the help , i'll take the case back off and take a high res picture of the area around U54, I couldn't see it on the posted screenshot though? it was clearly visible on the

One cable brand I've had trouble with is MegaPhase.? According to my wireless lab manager friend, there is a manufacturing defect that causes suckouts.? They don't show up until you have used the

The 2A fast-blow fuse offers sensible protection You are perhaps talking about something OTHER than the 5316A. The 5316A has no fuse on the transformer secondary, and the primary-side mains fuse is

Be aware these are a consumable item. They gradually degrade in stability until they reach a point at which they are effectively useless. I keep meaning to put some information about how to check

On Thu, 6 Feb 2025, Bruce wrote: I have a 85060C in a very good, almost pristine cosmetical condition. It powers up and tries to boot from its floppy drive but that is as much as I can tell about its

Looking to acquire an HP 85060 E-cl controller - any condition as long as it is properly described.? Contact me off line if you have anything interesting. I live in Western WA, US. Chers! Bruce

FWIW, I have power-cycled my 5316A many times with the switch "on" - I have it plugged into a switched AC outlet. Mine does not have GPIB, and the time base is the default simple crystal. Is it

Hi, I have an 89441A (89410A/89431A) and an 89430A. I have several original manuals and some diskettes, but unfortunately not the adjustment diskette 89431-19403. The rs-232 cable connecting

I recommend that you take care to switch these instruments off when you have to remove mains power. My 5316A counter blew the internal fuse on the transformer secondary, which failed by vaporising the

Just to clarify, the insertion loss test is as the image below, from the synth port (SMA) to the regular front panel VNA test port connector (N)

Can you also measure the VSWR of each RF port (synth input port and the external VNA test port) when you do the insertion loss measurement? This may indicate where a possible problem lies. It ought

Googling for E5071C repairs, there's some images here in a youtube repair video. TSP #174 - Teardown, Repair & Analysis of an Agilent 4.5GHz E5071C ENA Vector Network Analyzer (

Interesting circuit! Looking at the good one first... SMD resistors marked 61X are = 42.2 ohm and 65X = 46.4 ohm. So my guess it that this is a kind of sense resistor bridge (absorbed into a pi

My thought is that the analyzer may be configured as a standalone 89410A and so is not looking for the external RF unit when you connect it. This may also be the cause of your missing menus

Update: Removed the board to see if there was anything on the back and... nix.? Solid ground plane. I also checked out the working unit and noted that the components on the bottom of the array were

Guys, I have shipped all the BE19400013B neon tube replacement modules for the HP141T I have in stock. I have more parts and boards. As soon as I can build and test some more units, I will

I have not used one of these for a while - I thought that the mode on the 10 MHz base unit had to be switched manually between 89410A and 89441A through the service menus? Do you see an error message

For Sale: 16702B Logic Analyzer Display is functional bug has an issue - LCD has lines in the display that diminish after warming up. External VGA does not have that issue. OPT 003 - 256 Mb RAM OPT