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LS1240A Datasheet(HTML) 4 Page - STMicroelectronics

Part No. LS1240A
Description  ELECTRONIC TWO - TONE RINGER
Download  7 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LS1240A Datasheet(HTML) 4 Page - STMicroelectronics

   
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Application schematics
LS1240
4/9
3
Application schematics
Figure 3.
Typical application with buzzer
Figure 4.
Typical application with loudspeaker (no transformer needed)
C1 such that
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