ELECTRONIC TWO - TONE RINGER

DESCRIPTION LS1240A is a monolithic integrated circuit designed to replace the mechanical bell in telephone sets in connection with an electro-acoustical converter. It can drive directly a piezoceramic converter (buzzer) or a dynamic loudspeaker. The output current capability of LS1240A is highe

文件：503.97 Kbytes 页数：7 Pages

STMICROELECTRONICS

意法半导体

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

Power Transducer Series L-UNIT

文件：146.39 Kbytes 页数：5 Pages

MSYSTEM

爱模

Power Transducer Series L-UNIT

文件：146.39 Kbytes 页数：5 Pages

MSYSTEM

爱模