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    internal circuit of UM3561

    Abstract: siren police diagram UM3581 UM3561 circuit diagram of police siren police siren block diagram Siren Siren Sound siren police 2SC9013
    Text: Features 7 A magnetic speaker tan be driven by connecting an t~ Four Sounds tan be selected EI Typical 3V *Operation voltage NPN transisior EI RC oscillator with an extemal resistor or an osciliator/ m Power on reset resistor is built-in. mask Option ._


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    PDF UM3561 UM3581 2SC9013 24OKR internal circuit of UM3561 siren police diagram circuit diagram of police siren police siren block diagram Siren Siren Sound siren police 2SC9013