Hello ListMembers,
I have a very off-topic subject, maybe the correct destination is [EE]. I hope You could bring some light on this.
The question is: How can I determine the value of a capacitor between amplifier stages, or between a transdutor and an operational amplifier? Of course, the capacitor would permit only the AC component of the output of the transducer to be amplified, but what should be the best value?
In the case of the transdutor, its resistance is about 500 ohms, and the center frequency is 40 KHz.
Best regards,
Paul
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