Title :
Design of low-voltage low-power preamplifier for hearing aid devices
Author :
Saleh, Sherif A. ; Elsemary, Hamed ; Hamed, Hesham F. ; Azzam, Mohyy Eldin H
Author_Institution :
Electron. Res. Inst., Cairo, Egypt
Abstract :
A low-voltage low-power analog low-distortion low-noise preamplifier is presented. It has been designed for a single supply voltage of ±1.2V, whereas its average power consumption for the complete preamplifier is 4 μ watts. The design is suitable for most applications in portable telephone equipment, portable receivers, hearing aid, etc. The circuit simulation results of the most important properties are presented.
Keywords :
SPICE; analogue integrated circuits; audio-frequency amplifiers; hearing aids; integrated circuit design; integrated circuit modelling; microphones; portable instruments; preamplifiers; telephone sets; 12 V; 4 muW; circuit simulation; hearing aid devices; low-noise preamplifier; low-voltage low-power analog low-distortion low-noise preamplifier; portable receivers; portable telephone equipment; 1f noise; Acoustic distortion; Acoustic noise; Auditory system; MOSFET circuits; Microphones; Preamplifiers; Speech; Thermal resistance; Voltage;
Conference_Titel :
Microelectronics, 2003. ICM 2003. Proceedings of the 15th International Conference on
Print_ISBN :
977-05-2010-1
DOI :
10.1109/ICM.2003.1287709
