U4030B Datasheet, PDF (9/14 Pages) TEMIC Semiconductors – Telephone Speech Circuit

CVM
10 m
CLIM
CR
2.2 m
R4
12 k
470 n
RR2
680
RR1
33 k
CRNW2 RNW2 RNW3 CRNW3
100 n
18 k 2.7 k _{100 n}
CRNW4
53n
RNW4
390
10 m
150
CK
68n
U 4030 B
VM
VD
VC
RDC
CLIM SWAMP
CK
PD
ST
PRIV
GR
RECO
VL
GND
MUTE MIC 2
MICO MIC 1
DTMF
GS
VC
10 m
10
12k
430
470 n
2.2 m
1000m
68
1k
15V _68n
47 m
600 ^ID
VL
100 m
DTMF
MIC1
MIC2