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Monthly Archives: October 2017

Measurement equipment

Repair of a HP 8568B spectrum analyzer

October 28, 2017 tobias 1 Comment

I got a ‘new’ spectrum analyzer, which is a HP 8568B (100 Hz – 1.5 GHz). Unfortunately, it has some problems with the CRT, as well as some noisy traces.

Continue reading Repair of a HP 8568B spectrum analyzer →

Measurement equipment

HP 8341A repair part III

October 13, 2017 tobias 1 Comment

With the lab power supply, the YTO worked fine, so I did some further investigations on the 8341A’s YO loop…

UPDATE: power flatness test!

Continue reading HP 8341A repair part III →

Measurement equipment

HP 8341A repair part II

October 11, 2017 tobias Leave a comment

Today, I decided to dismantle the YO loop of my HP 8341A to further search for the problem.

Continue reading HP 8341A repair part II →

Measurement equipment

HP 8341A repair part I

October 8, 2017 tobias Leave a comment

So, the HP 8341A which I recently got has several problems. Besides a bad YTO, it also has a burnt relay on the A62 motherboard. When fixing the generator, I decided to start with the easy things….

Continue reading HP 8341A repair part I →

Measurement equipment

My new HP 8341A signal generator

October 4, 2017 tobias Leave a comment

My employer wanted to throw away a HP 8341A signal generator. This is a 10 MHz to 20 GHz sweep generator! Of course I rescued that unit from trash….

Continue reading My new HP 8341A signal generator →

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Recent Posts

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  • Tom Miller on Repair of a HP 8568B spectrum analyzer
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