Power Extraction
D1
CBRHD-04
LPLUS
3
J1
RJ11SKT
1
2
3
4
5
6
VLCL
AC
AC
1
2
VIN
JP1
R4
100k
B
Q1
BTA92
R4A
100k
R10
100k
B
F1
1A25
E1
P3100SC
R33
470k
R5
220k
R8
100k
M1
VN4012L
C9
100nF
VSTBY+
B
Q1A
BTA92
Q3
BTA92
VLCL
R5A
220k
M1A
VN4012L
R9
100k
D7
BZX84
5V6
C33
n/f
C19
100nF (250v)
C20
100nF (250v)
R26
470k
C22
n/f
D6
R27
470k
D5
BAS16
Q2
BTA42
JP2
R6
470k
ADCIN
GPOP1
R11
2k7
D20
6V2
R7
15k
C18
3u3F
AVDD
BAS16
AC
AC
Ring
Detection
D2
CBRHD-04
R30
1M
C21
150nF
C8
100nF
C4
22uF
C5
100nF
MOD
Signal Interface
C13
220nF
R23
91k
R24
100k
R25
160k
R22
3k
C15
100nF
C16
47nF(300V)
R21
3k
C14
10nF
C23
220nF(16V)
R16
10k
R28
470k
RXIN
C17
100pF
RXFB
D8
BZX84
4V7
R13
10k
Gyrator
1
R29
68k
D31
BZX84
n/f
22pF
C2
GYON
Q4
FZT757
11M0592Hz
X1
22pF
C1
ICTRL
M2
VN4012L
Q5
BTA42
J4:A
J4:B
J4:C
J4:D
DVDD
R64
R65
330R
330R
R66
330R
GPOP1
GPOP2
GPOP3
AVDD
R2
30R
C6
22uF
C3
DVDD
100nF
C7
100nF
ADCIN
J4:E
R14
27R(0W5)
R17
n/f
n/f
R19
470R
Q6
J2
1
2
TP3
VLCL
AVSS
TP4
AVSS
DVDD
R1
100k
R15A
n/f
R15
0R
C10
n/f
R18
n/f
C11
n/f
R20
10k
C12
3u3F
SNPSKT2
Place decoupling capacitors
C4, C5, C6, C7 and C8 as close
to CMX878 pins as possible.
GNDANALOG
LMINUS
Off-hook
AC impedance
CTR21
I limit
DE8781, sheet 1
CMLMICRO [ CML MICROCIRCUITS ]
