An Improved Microphone Preamplifier Integrated Circuit
An Improved Microphone Preamplifier Integrated Circuit (1,173k)By Fred Floru, THAT CorporationPaper UK103, Silicon for Audio, AES 16th UK Conference, 2001The influence of the semiconductor process on the performance of a microphone preamplifier integrated circuit is described. Examples of active devices available…
The 48 Volt Phantom Menace
The 48 Volt Phantom Menace (153k)By Gary K. Hebert and Frank Thomas, THAT CorporationAES Convention Paper 5335, 110th Convention, May, 2001The authors encountered anecdotal evidence suggesting that field failures of existing line driver and microphone preamplifier integrated circuits (ICs) were correlated…
An Improved Balanced Floating Output Driver IC
An Improved Balanced, Floating Output Driver IC (1,017k)By Gary K. Hebert, THAT CorporationAES Convention Paper 5152, 108th Convention, February, 2000The design and implementation of an improved balanced, floating output driver IC for professional audio applications is described. It is shown that,…
Attack and Release Time Constants in RMS-Based Feedback Compressors
Attack and Release Time Constants in RMS-Based Feedback Compressors (981k)By Fred Floru, THAT CorporationAES Convention Paper 4703, 104th Convention, May, 1998The goal of the paper is to develop mathematical models for feedback and feedforward compressors. A couple of possible configurations are…
Attack and Release Time Constants in RMS-Based Feedback Compressors
Attack and Release Time Constants in RMS-Based Feedback Compressors (981k)By Fred Floru, THAT CorporationAES Convention Paper 4703, 104th Convention, May, 1998The goal of the paper is to develop mathematical models for feedback and feedforward compressors. A couple of possible configurations are…
An Improved Monolithic Voltage-Controlled Amplifier
An Improved Monolithic Voltage-Controlled Amplifier (1,073k)By Gary K. Hebert, THAT CorporationAES Convention Paper 4055, 99th Convention, October, 1995The design and implementation of a monolithic voltage-controlled amplifier with an exponential gain-control characteristic is described. Sources of deviation from ideal performance, including distortion,…