BE Lesson 9 Make an audio amplifier Use an operational amplifier (opamp) to build an audio amplifier...
10
BE Lesson 9 Make an audio amplifier • Use an operational amplifier (opamp) to build an audio amplifier © 2012 C. Rightmyer, Licensed under The MIT OSI License, 20 July 2012
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Transcript of BE Lesson 9 Make an audio amplifier Use an operational amplifier (opamp) to build an audio amplifier...
BE Lesson 9Make an audio amplifier
• Use an operational amplifier (opamp) to build an audio amplifier
© 2012 C. Rightmyer, Licensed under The MIT OSI License, 20 July 2012
Hookup diagram for BE ckt 9-1
0.1 F
10 F
1 2 3 45678
100 F
+
0.033 F
+
470 F
placespeakerface up
10K 10
+
+1 F
9v
Stereoinput
D1 and D2 = 1N4148
D1 D2
Frequency response of an ideal audio amplifier
Http://forum.ecoustics.com/bbs/messages/34579/131062.html
A typical high-quality amplifier’s frequency response curve
Http://forum.ecoustics.com/bbs/messages/34579/131062.html