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[http://tinyurl.com/y579oadd Ohm's Law] | [http://tinyurl.com/y579oadd Ohm's Law] | ||
* A very powerful concept is the voltage divider, it allows us to attenuate (but not amplify!) any voltage in any circuit | * A very powerful concept is the voltage divider, it allows us to attenuate (but not amplify!) any voltage in any circuit | ||
http://tinyurl.com/yxhsk8sc | [http://tinyurl.com/yxhsk8sc Voltage Divider] | ||
* We will use the OpAmp (=operational amplifier) to amplify the small signals from our microphones to usable and less noisy signals before we digitize them in the computer | * We will use the OpAmp (=operational amplifier) to amplify the small signals from our microphones to usable and less noisy signals before we digitize them in the computer | ||
http://tinyurl.com/yxrdh8gx | [http://tinyurl.com/yxrdh8gx opamp as a comparator] | ||
[http://tinyurl.com/yxrdh8gx stabilized opamp as a source follower] | |||
[http://tinyurl.com/yxrdh8gx opamp as an amplifier] | |||
==Further Reading== | ==Further Reading== | ||