This was the final project for our Integrated Circuit Design and Analysis class. We needed to build a 2 stage amplifier that met the following specifications:
1) Maximum output power (continuous): >100 mW/ch (on battery)
2) Output impedance: <5ohms
3) Input impedance: >10kohms
4) 3-dB full-power bandwidth: 20Hz-15kHz (min), 18Hz-20kHz (max)
5) Total harmonic distortion + noise (THD+N): <0.2% with 100mW on nominal
load at 1kHz
6) Power consumption: <100mA (on battery) or <200mA (on regulated AC
power) at max output power
For extra credit, we designed our second stage of the amplifier using BJTs in a push pull configuration.
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