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Part Name
Description
HT9200B View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
HT9200B
DTMF Generators
Holtek Semiconductor
'HT9200B' PDF : 13 Pages
View PDF
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S /P
X2
( O s c illa to r )
CE
D 0~D 3
HT9200A/HT9200B
D TM F
t
D E
t
D E
N o te : T h e d a ta ( D 0 ~ D 3 ) s h o u ld b e r e a d y b e fo r e th e C E b e c o m e s lo w .
Figure 2
Tone Frequency
Output Frequency (Hz)
Specified
697
770
852
941
1209
1336
1477
% Error does not contain the crystal frequency drift
Actual
699
766
847
948
1215
1332
1472
%Error
+0.29%
–0.52%
–0.59%
+0.74%
+0.50%
–0.30%
–0.34%
Rev. 1.40
7
August 30, 2004
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