U4089B-MFN ATMEL [ATMEL Corporation], U4089B-MFN Datasheet - Page 7
![no-image](/images/no-image-200.jpg)
U4089B-MFN
Manufacturer Part Number
U4089B-MFN
Description
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.U4089B-MFN.pdf
(25 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
U4089B-MFN
Manufacturer:
TEMIC
Quantity:
4 700
Figure 7. Integration of the Acoustic Feedback-suppression Circuit Into the Speech Circuit Environment
4570A–CORD–04/03
SAO
GSA
GT
SAI
SAI
Figure 6. Basic Voice-switch System
TLDR
INLDT
microphone
speaker
VBG
Handset
Loud
Max
att.
control
AFS
+
-
INLDR
+
-
VBG
TLDT
AGA
Logarithmic
RECO
STO
GR
Attenuation
attenuation
attenuation
control
TX
RX
VL
STI
STN
Zint
V
Logarithmic
B
RECIN
STO
Z
L
V
L
U4089B-M
Hybrid
Line
7