Interfacing Digitally-Controlled Microphone Preamplifiers to A/D Converters

Interfacing Digitally-Controlled Microphone Preamplifiers to A/D Converters (1,281k)
by Gary Hebert, CTO, and Joe Lemanski, Applications Enginering Manager, THAT Corporation
Presented at the 133rd AES Convention
This seminar examines practical designs for a digitally controlled microphone preamplifier driving typical modern audio A/D converters. Topics covered include maximizing the available A/D converter dynamic range, achieving the desired preamp gain range, and implementing digitally controlled switching of pads and phantom power.