U4030B TEMIC Semiconductors, U4030B Datasheet - Page 11

• Manufacturer Part Number: U4030B
• Description: Telephone Speech Circuit
• Manufacturer: TEMIC Semiconductors

470 n
C
CVM
10
CRNW2
VGEN
m
100 n
CR
2.2
RNW2
18 k
m
RR2
680
CRNW4
RNW4
390
53 n
RNW3
2.7 k
DTMF
470 n
CLIM
33 k
RR1
CRNW3
100 n
470 n
VEAR
CRECO
ROUT
ZEAR
68 n
150
10
m
VM
VC
CLIM
CK
ST
GR
RECO
MUTE
MICO
DTMF
RS1
U 4030 B
12 k
VC
10
SWAMP
m
MIC2
MIC1
PRIV
GND
RDC
VD
VL
PD
CS
CK
68 n
RS2
430
CS
2.2
RDC
10
m
MIC1
ZM
68 n
MIC2
RSWAMP
68
15 V
CVD
1000
68 n
m
47
1 k
RIMP
m
VGEN
RL
600
100
m
IL