Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved
page 60 of 69
FORBIDDEN
VIETATE
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.
4
2
9
81
0
7
13
11
6
5
1Fs
BC847BW
SOT-323
Q702
2
3
1
50V
0603
1nF
X7R
C708
LQG18HN39NJ00
LQG18
39nH
L702
GND
J01001A1944
SO704
1
IO
2
3
4
5
J01001A1944
SO703
1
IO
2
3
4
5
50V
0603
39pF
COG
C705
GND
0603
10K
5%
R704
50V
0603
470pF
X7R
C729
GND
0603
47K
5%
R713
50V
0603
1nF
X7R
C706
GND
GND
GND
GND
50V
0603
39pF
COG
C704
004:4D
50V
0603
1nF
X7R
C727
1215061-03F
PL702
2
1
3
50V
0603
1nF
X7R
C707
16V
0603
100nF
Y5V
C716
LGK2009-0201
LGK2009-02
SO701
3
4
2
1 5
GND
GND
GND
50V
0603
3.3nF
X7R
C726
1Fs
BC847BW
SOT-323
Q701
2
3
1
0603
47K
5%
R712
GND
LQG18HN39NJ00
LQG18
39nH
L703
16V
0603
100nF
Y5V
C712
16V
0603
100nF
Y5V
C721
16V
0603
100nF
Y5V
C719
16V
0603
100nF
Y5V
C718
GND
GND
0603
15K
5%
R711
+3V_EXT_MIC_SINGLE
GND
GND
1615061-08F
PL701
3
2
1
4
5
6
7
8
0603
33K
5%
R709
+3V_EXT_MIC_BAL
GND
TS3V912ID
U701
4
V-
8
V+
1
OUT
2
-
3
+
16V
0603
100nF
Y5V
C722
+3V_EXT_MIC_SINGLE
0603
47K
5%
R717
+3V_EXT_MIC_BAL
J01001A1944
SO705
1
IO
2
3
4
5
+3V_EXT_MIC_SINGLE
0603
10K
5%
R708
TS3V912ID
U701
4
V-
8
V+
7
OUT
6
-
5
+
0603
47K
5%
R715
0603
10K
5%
R707
0603
10K
5%
R720
GND
16V
0603
100nF
Y5V
C709
TS3V912ID
U702
4
V-
8
V+
7
OUT
6
-
5
+
+3V_EXT_MIC_BAL
LQG18HN39NJ00
LQG18
39nH
L701
+3V_EXT_MIC_SINGLE
16V
0603
100nF
Y5V
C714
16V
0603
100nF
Y5V
C710
4V
CONT-R
4.7uF
C701
MIC_HF-
004:3D
GND
+3V_MIC
0603
33K
5%
R710
4V
CONT-R
4.7uF
C702
16V
0603
100nF
Y5V
C720
GND
0603
470K
5%
R718
50V
0603
470pF
X7R
C728
LGK2009-0201
LGK2009-02
SO702
3
4
2
1 5
+3V_EXT_MIC_BAL
0603
5.6K
5%
R719
0603
1K
5%
R702
16V
0603
100nF
Y5V
C724
0603
1K
5%
R703
0603
2.2K
5%
R701
16V
0603
100nF
Y5V
C715
GND
TS3V912ID
U702
4
V-
8
V+
1
OUT
2
-
3
+
16V
0603
100nF
Y5V
C717
GND
0603
10K
5%
R706
16V
0603
100nF
Y5V
C725
0603
47K
5%
R714
GND
GND
+3V_EXT_MIC_BAL
50V
0603
39pF
COG
C703
GND
+3V_EXT_MIC_SINGLE
GND
16V
0603
100nF
Y5V
C711
0603
47K
5%
R716
GND
GND
0603
10K
5%
R705
+3V_EXT_MIC_SINGLE
16V
0603
100nF
Y5V
C713
16V
0603
100nF
Y5V
C723
EVK for GM862/S1
30208SE10944b
cs944b.cir
EXTERNAL MICROPHONE SECTION
71
0
0208
EXTERNAL MIC
SINGLE ENDED
SINGLE ENDED
SINGLE ENDED MICROPHONE 10 dB
BALANCED
BALANCED
BALANCED MICROPHONE POLARIZATION
SINGLE ENDED MICROPHONE POLARIZATION
NOISE FILTERING
SINGLE ENDED
EXTERNAL MIC
BALANCED
NOISE FILTERING
BALANCED MICROPHONE 10 dB
DECOUPLING CAPACITORS
DECOUPLING CAPACITORS
EXT_MIC-
EXT_MIC
SINGLE ENDED
EXT MIC POWER SELECTION
BALANCED
EXT MIC SELECTION
Serdi M.
041201
041201
301101
Locatelli M.
Deperini F.