Products > Test Equipment

Help deciding on a tool to run frequency response curves / graphs

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mapleLC:

--- Quote from: rstofer on April 03, 2022, 07:15:21 pm ---The attached graphs are from a Digilent Analog Discovery 2.  You can find the specs here:
https://digilent.com/shop/analog-discovery-2-100ms-s-usb-oscilloscope-logic-analyzer-and-variable-power-supply/

It works up to about 10 MHz

--- End quote ---

All those pins... I'd be... |O

alm:
For the frequency response test you'd only have to use the BNC connectors on this adapter board

mapleLC:

--- Quote from: alm on April 04, 2022, 07:53:45 am ---For the frequency response test you'd only have to use the BNC connectors on this adapter board

--- End quote ---

Oh, so this adapter plugs into ports in the scope and the other 2?  The unit being tested?  I like the idea.

Can this be adapted to test speakers?

alm:
I guess, if you added an amplifier on the output and microphone with a very linear frequency response. But unless you're dealing with an ultrasonic transducer that needs the extra bandwidth, I think you'd be getting better performance with a good sound card.

pope:
If you want to measure the response of speakers, a decent soundcard and REW would do the job just fine. But as I already mentioned, you need a very flat microphone and access to an anechoic room. Neither is cheap.

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