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Instrument Control (GPIB, Serial, VISA, IVI)

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Device System Identification- Driac Delta Pulse , Sine Wave

Hi

 

I am trying to identifiy the impedance and response of a device. I am using Agilent 4140B pico ammeter\D.C voltage source. The way it is to be done is as following.

 

1. Trigger the DC voltage to  Dirac delta pulse (a waveform of infinite amplitude with zero period), step function in real. The pulse will have in it pulses of all possible amplitudes ideally. Subject the transmissions lines of the device to pulse and read the response of the device. The response should have signature of the device impedances.

 

2. Generate a sine wave by trigger the DC voltage at various levels and collecting them to form a waveform a period for a partciluar time. The response of the device should have the signature of it and also let me know information about the reflection, refraction, dissipation and absorption. It is like impedance matching and transmission line characterization.

 

I am having difficult in implementing the concept. Examples will be helpful.

 

Kindly advise.

 

Regards

 

Karan

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Hi Karan,

 

I don't have any examples of this to offer, but if you have some specific questions about implementation, we can try to shed some light for you. What portion are you having trouble implementing?

 

Also, maybe someone else has an example they can share?

 

Best,

 

John M

National Instruments
Applications Engineer
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