An Improved Microphone Preamplifier Integrated Circuit

An Improved Microphone Preamplifier Integrated Circuit (1,173k)
By Fred Floru, THAT Corporation
Paper UK103, Silicon for Audio, AES 16th UK Conference, 2001

The influence of the semiconductor process on the performance of a microphone preamplifier integrated circuit is described. Examples of active devices available in conventional junction isolated and newer bipolar technologies are shown.