XE5690SM-1 데이터 시트보기 (PDF) - Xecom
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XE5690SM-1 Datasheet PDF : 22 Pages
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Recommended SPKRConnection
The SPKR output on the XE5690SM provides a Pulse Width Modulated version of the signal on Tip and
Ring. This permits audio monitoring of modem operations through a connected speaker. The schematic
below shows the recommended circuit for the audio monitor
VCC
R1
6
C5
SPKR
3+
U1
5
C1
R2
2-
C2
4 C3
C4
R3
Speaker
Reference
Designation
C1, C3, C4
C2
C5
R1
R2
R3
U1
Qty Value
3
0.1 ufd, 16 V + 20%
1
820 pfd, 16V + 20%
1
100 ufd, 16V + 20%
1
47K, 1/10 W, + 5%
1
10K, 1/10 W, + 5%
1
140 ohm, 1/10 W, + 5%
1
LM386
XECOM
(9)
XE5690SM
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