ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER

■ DESCRIPTION The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic converter(buzzer) directly. The output current capacity of UTC LS1240A is higher than standard ringer. For driving a dynamic loudspeaker, UTC LS1240A needs only a

文件：223.99 Kbytes 页数：5 Pages

UTC

友顺

ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER

■ DESCRIPTION The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic converter(buzzer) directly. The output current capacity of UTC LS1240A is higher than standard ringer. For driving a dynamic loudspeaker, UTC LS1240A needs only a

文件：223.99 Kbytes 页数：5 Pages

UTC

友顺

Electronic Two - Tone Ringer

LS1241 is a monoithic integrated circuit designed to replace the mechanical bell in telephone sets, in connection with an electro acousitical converter.

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