So this is the part where I would like the phototransistor (TEMT6000X01) to be able to clearly capture an LED with a frequency flashing on and off at 1kHz. So what I have here is a transimpedance amplifier (AD823) with Rf at 100k because the typical collector light current for high illumination is 50uA V = 50uA * 100k giving 5V. Would the capacitor be okay for this?
Second I have a high pass filter allowing frequencies from around 995Hz upwards. Does it seem correct?
Thirdly, since the maximum output from the TIA is 5V, is it necessary to have a non inverting amplifier (AD823) to amplify the signal?
Once passed the peak detector, the output will be connected to the Arduino.
What are your thoughts?
Datasheet for TEMT6000X01: https://docs-emea.rs-online.com/webdocs/112b/0900766b8112bb21.pdf
Datasheet for AD823: https://www.analog.com/media/en/technical-documentation/data-sheets/AD823.pdf
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