參數(shù)資料
型號(hào): TEA7092TQ
廠商: 意法半導(dǎo)體
英文描述: TELEPHONE ANALOG FRONT END
中文描述: 電話模擬前端
文件頁(yè)數(shù): 34/57頁(yè)
文件大?。?/td> 574K
代理商: TEA7092TQ
Normal Speech
x is Programmablethroughthe Serial Bus
(10, 15, 20, 25dB) (default value is 15dB)
Low
Microphone
Level
Gmax
Gmax - 9.5dB
* 60mVat Pin 17
*
GLS
GLS - xdB
Vsl
Vst
Vsoft
Gtx (dB)
GLS is Programmablethrough
the VolumeControl Stage
V
MIC
High MicrophoneSignal
SoftclippingMode
V
MIC
9dB
3dB
A
Figure50
III - CALLPROGRESS MONITOR AND GROUP LISTENING MODES
(continued)
III.4 - Antiacoustic Feedback Feature
(continued)
Figure49
100k
From
Microphone
Preamplifier
0.5k
V
CC
10
μ
A
To Transmit
AGC
0.8k
V
REF
60mV
Attenuation
Programmable
from 10 to 25dB
17
ASQ
C16
C25
18
ASC
60mV
LS AGC
V
REF
TEA7092
25
V
REF
R16
A
TEA7092 - TELEPHONE SET INTEGRATED CIRCUIT
34/57
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