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Response time source meter 2400/2410

Models 2400, 2401, 2410, 2420, 2425, 2430, 2440, 6430
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mirkoscholz
Posts: 2
Joined: January 25th, 2011, 5:03 am
Country: Belgium

Response time source meter 2400/2410

Post by mirkoscholz » January 25th, 2011, 5:11 am

Hi,

I am doing latchup testing using a 2400/2410 source meter as DC source. During the latchup testing the applied DC voltage (VDD) drops temporarly (for 0.5 to 1 us) e.g. from the set 3 V to 1.5 V but also from the set 5 V to 1.5 V. The response of the source meter is basically an increase of the current which goes from the source meter to my device under test.

Do you have any information on the response time of the source meter? How time it need to restore an programmed output voltage if e.g. a device under test causes a significant drop?

The device impedance during the voltage drop is very low and can been seen as a short.

Thanks,
Mirko Scholz

Dale C
Keithley Applications
Keithley Applications
Posts: 2849
Joined: June 10th, 2010, 6:22 am
Country: United States
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Re: Response time source meter 2400/2410

Post by Dale C » January 25th, 2011, 7:56 am

The Model 2400 has a specification of
Transient Response Time - 30usec minimum for the output to recover to its spec following a step change in load.
This is stated in the published specifications under "Additional Source Specifications"

mirkoscholz
Posts: 2
Joined: January 25th, 2011, 5:03 am
Country: Belgium

Re: Response time source meter 2400/2410

Post by mirkoscholz » January 31st, 2011, 5:50 am

Dear,

thanks a lot for the fast answer. This already helps me to continue in my investigation.

Best regards,
Mirko

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