HP / Agilent 8160A Pulse Generator

Nov 09, 2005 1 Replies
P

Hey,


I have a puls generator mentioned above.


The settings for the impuls frequency and width and so on work fine but there is a problem. If I set the the impedance on 10kOhms I only get 4V amplitude instead of 19.99V and at 50 Ohm there is only 200mV instead of 9.99V. I have not found anything to change this behavior! Also there is shown an error message "PARAM" if I press the High Level (HIL) botton or the Low Level (LOL) botton. The DC-voltage is on the 0-line at about -7.5V and oscillate 300mV up and down.


If there is someone who knows what is wrong please let me know!


best regards Peter



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C

Pete, You have a problem with one of the output hybrid modules. If your unit is a dual channel option, you have modules to swap. These modules were very expensive (made internally by HP) and were a high failure item. There are lots of boards to swop if you have a dual channel unit. Remember to mark board and dip switch / switch settings. You will have to shange setiings if you have a dual channel option and swop boards from "A" to"B". Good Luck, Kevin

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