A LOW-VOLTAGE LOW-POWER FULLY-INTEGRATABLE AUTOMATIC GAIN-CONTROL FOR HEARING INSTRUMENTS

被引：38

作者：

SERDIJN, WA

VANDERWOERD, AC

DAVIDSE, J

VANROERMUND, AHM

机构：

[1] DELFT UNIV TECHNOL,FAC ELECT ENGN,ELECTR RES LAB,DELFT,NETHERLANDS

[2] DELFT UNIV TECHNOL,ELECTR LAB,DELFT,NETHERLANDS

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 1994年 / 29卷 / 08期

关键词：

D O I：

10.1109/4.297699

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A low-voltage low-power bipolar automatic gain control (AGC) for hearing instruments that works in the current domain and operates on a single 1.3-V battery is presented. In this AGC a large time constant (50 ms) is realized on-chip. The AGC consists of a gain cell, a comparator and a voltage follower. The active circuitry of the AGC has been integrated in the DIMES01 process and the total circuit demonstrates operation down to 1 V with only 4 muW power consumption. The compression range amounts to 38 dB. The AGC has a dynamic range (DR) of 62 dB at the output over a bandwidth of 10 kHz.

引用

页码：943 / 946

页数：4

共 10 条

[1] A SET OF 4 ICS IN CMOS TECHNOLOGY FOR A PROGRAMMABLE HEARING-AID [J].

CALLIAS, F ;

SALCHLI, FH ;

GIRARD, D .

IEEE JOURNAL OF SOLID-STATE CIRCUITS, 1989, 24 (02) :301-312

[2]

GEERS VJ, 1980, TECHNISHE HILFE BEI

[3]

MAUTHE M, 1990, P ESSCIRC GRENOBLE, P45

[4]

Nordholt E. H, 1983, DESIGN HIGH PERFORMA

[5]

PAYNE A, 1990, ELECTRON LETT, V26

[6]

Serdijn W., 1994, THESIS DELFT U TECHN

[7] A LOW-VOLTAGE LOW-POWER CURRENT-MODE HIGH-PASS LEAPFROG FILTER [J].

SERDIJN, WA .

ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, 1993, 3 (02) :105-112

[8]

TOUMAZOU C, 1990, ANALOGUE IC DESIGN C

[9]

VANZEIJL PTM, 1990, THESIS DELFT U TECHN, pCH5

[10]

1983, IEC1182 REC

← 1 →