I want to test regulator output impedance!! How to setting AP2722?

cacaca · 25th October 2012, 04:12 PM

I have to use the super regulator circuit!
I want use the AP2722 to test the performance of super regulator.
But I don't know how to setting AP2722?
I want to test output impedance and LR and noise!!
thank you!!

Samuel Groner · 28th October 2012, 03:16 PM

Have you tried the manual and their applications support? This is a complicated piece of equipment, and it would cost me much time to guide you through all the details.

Samuel

cacaca · 29th October 2012, 06:51 AM

Quote:

Originally Posted by Samuel Groner

Have you tried the manual and their applications support? This is a complicated piece of equipment, and it would cost me much time to guide you through all the details.

Samuel

I know how to seting the LR and noise test.
But i don't know how to setting of impedance test.
Analog analyzer should be choice which?
Bandpass or band reject , THN or other.
Whether should be to select FFT??

Samuel Groner · 29th October 2012, 09:55 AM

I think your problem is more related to the basic impedance measurement rather than the operation of the SYS-2722. Basically you inject a current and measure resulting voltage drop, which by Ohm's law can be referred back to impedance. How you measure the voltage depends on many variables--usually it is a small voltage so you use a narrow band measurement.

See also:

http://icom.hsr.ch/fileadmin/user_up...C_Meter_EN.pdf
http://cp.literature.agilent.com/lit.../5950-3000.pdf

Samuel

25th October 2012, 04:12 PM	#1
cacaca diyAudio Member Join Date: Oct 2012	I want to test regulator output impedance!! How to setting AP2722? I have to use the super regulator circuit! I want use the AP2722 to test the performance of super regulator. But I don't know how to setting AP2722? I want to test output impedance and LR and noise!! thank you!!

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28th October 2012, 03:16 PM	#2
Samuel Groner diyAudio Member Join Date: Jun 2005 Location: Zürich	Have you tried the manual and their applications support? This is a complicated piece of equipment, and it would cost me much time to guide you through all the details. Samuel

29th October 2012, 09:55 AM	#4
Samuel Groner diyAudio Member Join Date: Jun 2005 Location: Zürich	I think your problem is more related to the basic impedance measurement rather than the operation of the SYS-2722. Basically you inject a current and measure resulting voltage drop, which by Ohm's law can be referred back to impedance. How you measure the voltage depends on many variables--usually it is a small voltage so you use a narrow band measurement. See also: http://icom.hsr.ch/fileadmin/user_up...C_Meter_EN.pdf http://cp.literature.agilent.com/lit.../5950-3000.pdf Samuel