Redoing the codec breakout

Schematics from [ TLV320AIC3101EVM (PDF) ] | [ electret mics ]

Screen Shot 2015-03-22 at 1.06.43 AMScreen Shot 2015-03-22 at 1.07.13 AMUpdate March 23:

[ pin jumpers ]

SMD parts are numbered by size, not R/C values.

PWM -> cap -> analog signal

http://en.wikipedia.org/wiki/Reconstruction_filter

s = tf(‘s’);
C1 = 47e-12;
C2 = 47e-6;
R = 33;
H = C2 / (C1 + C2 + s*R*C1*C2);
bode(H)

response

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