Products > Test Equipment
Help deciding on a tool to run frequency response curves / graphs
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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