User's Manual
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved page 59 of 69
FORBIDDENVIETATE
ALL RIGHTS RESERVED
RIPRODUZIONE E DIVULGAZIONE REPRODUCTION AND DISCLOSURE
TUTTI I DIRITTI RISERVATI
PROJECT
A3
DESCRIPTION
DRAWING CODE
FORM
MODIFY
OF SHEETS
DATE
SHEET N.
VERIFIED
PROJECT
DRAWN
PATH /home/users/area
Mod. 067 rev.0 03/01
ANNOTATION
FILE NAME
B
C
D
E
A
Mobile Terminals S.p.A.
42 981 0713 1165
+3V_INT_MIC_BAL
16V
0603
100nF
Y5V
C602
GND
GND
50V
0603
39pF
COG
C613
1615061-08F
PL602
3
2
1
4
5
6
7
8
GND
+3V_INT_MIC_BAL
50V
0603
1nF
X7R
C614
LQG18HN39NJ00
LQG18
39nH
L602
LQG18HN39NJ00
LQG18
39nH
L603
GND
1Fs
BC847BW
SOT-323
Q602
2
3
1
MIC_MT-
004:4D
EAR_MT+
004:3D;008:10B
+3V_MIC
16V
0603
100nF
Y5V
C617
0603
82K
5%
R610
0603
10K
5%
R611
GND
GND
50V
0603
1nF
X7R
C616
0603
10K
5%
R605
0603
10K
5%
R607
GND
GND
LQG18HN39NJ00
LQG18
39nH
L605
0603
2.2K
5%
R608
16V
0603
100nF
Y5V
C627
0603
150K
5%
R606
GND
50V
0603
1nF
X7R
C615
GND
95001-6881
SO603
3
2
1
4
5
6
7
8
+3V_MIC
LQG18HN39NJ00
LQG18
39nH
L606
TS3V912ID
U602
4
V-
8
V+
1
OUT
2
-
3
+
GND
16V
0603
100nF
Y5V
C606
0603
47K
5%
R612
noMount=YES
35V
CONT-E
10uF
C605
GND
GND
GND
GND
50V
0603
1nF
X7R
C619
50V
0603
39pF
COG
C624
4V
CONT-R
4.7uF
C601
50V
0603
100pF
COG
C637
LQG18HN39NJ00
LQG18
39nH
L604
16V
0603
100nF
Y5V
C611
GND
LGK2009-0201
LGK2009-02
SO602
3
4
2
15
50V
0603
39pF
COG
C612
+3.7V
16V
0603
100nF
Y5V
C604
0603
47K
5%
R615
50V
0603
39pF
COG
C607
GND
0603
10K
5%
R609
16V
0603
100nF
Y5V
C628
4V
CONT-R
4.7uF
C610
GPIO1
004:5D;005:7C
GND
GND
GND
16V
0603
100nF
Y5V
C609
50V
0603
1nF
X7R
C620
GND
TS3V912ID
U602
4
V-
8
V+
7
OUT
6
-
5
+
0603
82K
5%
R618
0603
1K
5%
R603
GND
LGK2009-0201
LGK2009-02
SO601
3
4
2
15
0603
470K
5%
R619
16V
0603
100nF
Y5V
C608
0603
47K
5%
R613
0603
150K
5%
R604
GND
50V
0603
1nF
X7R
C623
GND
0603
47K
5%
R616
GND
LQG18HN39NJ00
LQG18
39nH
L601
0603
47K
5%
R614
J01001A1944
SO605
1
IO
2
3
4
5
GND
MIC_MT+
004:4D
0603
1K
5%
R602
16V
0603
100nF
Y5V
C631
GND
16V
0603
100nF
Y5V
C632
50V
0603
39pF
COG
C622
GND
1215061-03F
PL603
2
1
3
TS3V912ID
U603
4
V-
8
V+
7
OUT
6
-
5
+
TS3V912ID
U603
4
V-
8
V+
1
OUT
2
-
3
+
1Fs
BC847BW
SOT-323
Q601
2
3
1
50V
0603
220pF
X7R
C635
0603
10K
5%
R617
0603
220pF
C634
50V
X7R
16V
0603
100nF
Y5V
C633
J01001A1944
SO606
1
IO
2
3
4
5
L02A
LP2980AIM5X-3_0
MA05B
U601
1
V_IN
3
ON-OFF
4
NC
5
V_OUT
2
GND
0603
10K
5%
R601
+3V_MIC
0603
47K
5%
R621
GND
16V
0603
100nF
Y5V
C625
J01001A1944
SO604
1
IO
2
3
4
5
GND
GND
GND
0603
47K
5%
R620
16V
0603
100nF
Y5V
C626
16V
0603
100nF
Y5V
C630
50V
0603
100pF
COG
C636
GND
+3V_INT_MIC_BAL
+3V_INT_MIC_BAL
16V
0603
100nF
Y5V
C618
+3V_INT_MIC_SINGLE
+3V_INT_MIC_SINGLE
+3V_INT_MIC_SINGLE
EAR_MT-
004:3D;008:10B
50V
0603
39pF
COG
C621
+3V_INT_MIC_SINGLE
+3V_INT_MIC_SINGLE
GND
+3V_INT_MIC_SINGLE
GND
16V
0603
100nF
Y5V
C603
+3V_INT_MIC_BAL
GND
EVK for GM862/S1
0208 6 10 30208SE10944b
cs944b.cir
INTERNAL MICROPHONE SECTION
BALANCED
SINGLE ENDED
BALANCED
INTERNAL MIC
INTERNAL MIC
SINGLE ENDED
HANDSET V125
BOOT RX
GND
HOOK
BOOT TX
EAR-
MICR+
MICR-
EAR+
SINGLE ENDED
BALANCED
BALANCED MICROPHONE POLARIZATION
SINGLE ENDED MICROPHONE POLARIZATION
MICROPHONE POLARIZATION REGULATOR
SIGNAL FILTERING
SIGNAL FILTERING
BALANCED MICROPHONE BUFFER +24 dB
DECOUPLING CAPACITORS
DECOUPLING CAPACITORS
SINGLE ENDED MICROPHONE BUFFER +24 dB
SIGNAL FILTERING
INT_MIC+
INT_MIC-
INT_MIC
SINGLE ENDED
INT MIC POWER SELECTION
BALANCED
INT MIC SELECTION
Serdi M. 041201
041201
301101
Locatelli M.
Deperini F.