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FS9721_LP3 Datasheet(PDF) 23 Page - Fortune Semiconductor Corp.

Part # FS9721_LP3
Description  4,000 counts auto range DMM IC
PDF  39 Pages
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Manufacturer  FORTUNE [Fortune Semiconductor Corp.]
Direct Link  https://www.ic-fortune.com/eng/index.asp
Logo FORTUNE - Fortune Semiconductor Corp.

FS9721_LP3 Datasheet(HTML) 23 Page - Fortune Semiconductor Corp.

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FS9721_LP3
Rev. 2.1
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15.6
Quartz Oscillation Circuit
XTAL
XOUT
XIN
CX1
CX2
FS9721_LP3
R2
Diagram 17
Quartz Oscillation Circuit
In the diagram, R2 is the reviser to offer the statical working point, CX2 is the frequency fine adjustment, and
CX1 is the temperature offset. In the unexacting situation, CX1 and CX2 can be unused.
15.7
Buzzer Driver Circuit
BUZZER
BJ1
BEEPER
VDD
FS9721_LP3
51
10k
Diagram 18
Low Resistance Buzzer Connection



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