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U3810BM 데이터시트(PDF) 17 Page - TEMIC Semiconductors

부품명 U3810BM
상세설명  Multi Standard Feature Phone Integrated Circuit
PDF  31 Pages
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제조업체  TEMIC [TEMIC Semiconductors]
홈페이지  http://www.temic.de
Logo TEMIC - TEMIC Semiconductors

U3810BM 데이터시트(HTML) 17 Page - TEMIC Semiconductors

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TELEFUNKEN Semiconductors
U3810BM
Rev. A1: 19.01.1996
17 (31)
Table 1: Frequency tolerance of the output tones for DTMF signalling tone output frequency when using 455 kHz
Standard frequency
Hz
Tone output
frequency
Frequency deviation
Hz
frequency
Hz
%
Hz
Low Group
697
770
852
941
High Group
1209
1336
1477
1633
697.85
771.18
852.06
940.08
1210.1
1338.2
1477.3
1636.7
0.12
0.15
0.01
– 0.10
0.09
0.17
0.02
0.22
+ 0.85
+ 1.18
+ 0.06
– 0.92
+ 1.1
+ 2.2
+ 0.3
+ 3.7
Note: Frequency can be directly measured on CO when S3 is closed (figure 9)
AMF
SIN0
SIN1
CO
1
1
1
DTMF : HF
0
1
1
DTMF : LF
0
1
0
MELODY
0
0
1
CONFIDENCE TONE
1209
1336
1477
1633
697
1
2
3
A
770
4
5
6
B
852
7
8
9
C
941
*
0
#
D



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