Thread: FieldFox N9923A ADC2 overload error


Permlink Replies: 3 - Pages: 1 - Last Post: Oct 24, 2012 2:24 PM Last Post By: drkirkby
zyercan

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Registered: 01/04/12
FieldFox N9923A ADC2 overload error
Posted: Jan 13, 2012 8:47 AM
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Hi everyone!
Currently I'm dealing with a problem/error in fieldfox. At the end of each sweep, there is a error message on display saying that "ADC2 overload". I changed the output power to LOW but there is still this error message.. What should I do? I hope anyone can help me! Thanks in advance.

Ziya
am95405


Posts: 172
Registered: 12/05/05
Re: FieldFox N9923A ADC2 overload error
Posted: Jan 13, 2012 12:55 PM   in response to: zyercan in response to: zyercan
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Hi Ziya,

I am assuming you do not have an active device connected between ports 1 and 2.There could be a variety of reasons to see the ADC2 overload message. We'll have to just trouble-shoot it. I'm sending you a private message.

Regards,
Afsi Moaveni
zyercan

Posts: 2
Registered: 01/04/12
Re: FieldFox N9923A ADC2 overload error
Posted: Jan 13, 2012 1:05 PM   in response to: zyercan in response to: zyercan
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Hi Afsi!
Thanx a lot for a quick reply and for you pm.
Well, the antennas are connected to the ports, at first there was no problem.With the output power HIGH selected, this error message appeared sometime.So we set the output power to LOW and this error disappeared but after a while it started displaying again and again.I'll contact asap.Thanks again.

Ziya
drkirkby

Posts: 500
Registered: 06/18/08
Re: FieldFox N9923A ADC2 overload error
Posted: Oct 24, 2012 2:24 PM   in response to: zyercan in response to: zyercan
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zyercan wrote:
Hi everyone!
Currently I'm dealing with a problem/error in fieldfox. At the end of each sweep, there is a error message on display saying that "ADC2 overload". I changed the output power to LOW but there is still this error message.. What should I do? I hope anyone can help me! Thanks in advance.

Ziya

I see you posted this 9 months ago, but I have exactly the same issue with my FieldFox N9923A. Afsi thought it was a hardware issue, but was not sure. I also got errors about VCO's going unlocked on mine. When this occurs, the error message is flashed up for a very short duration

My problem seems to be intermittant and occurs with nothing on the test ports at all. Of course, this is a a condition which gives the maximum possible reflection for a passive device.

Dave

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