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Line Powered Two-Tone Ringer Example

Line Powered Two-Tone Ringer Example

15IC1LS124087423++TELEPHONELINEC2250VR22.2KPZ1PIEZO-BUZZERR115KC10.1μC310μ35VL1L2Line-Powered Two-Tone Ringer Example
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publish time: 2020-10-21
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Multiple phones are reminded in different rooms. The low-cost 2-tone ringtone IC LS1240 is usually used as a telephone circuit. As long as the telephone line is extended to the place where additional ringtones are to be installed, multiple rooms can share one number.

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