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UTC31001 - Unisonic Technologies

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UTC31001 TELEPHONE TONE RINGER

The UTC 31001 is a bipolar integrated circuit designed for telephone bell replacement. It can also be used as alarms or other alerting devices. FEATURES *Designed for telephone bell replacement. *Low current drain for multiple extention of lines. *Adjustable 2-frequency tone. *Adjustable warbling rate. *Bulit-in hysteresis prevents false triggering and rota.

Features


*Designed for telephone bell replacement.
*Low current drain for multiple extention of lines.
*Adjustable 2-frequency tone.
*Adjustable warbling rate.
*Bulit-in hysteresis prevents false triggering and rotary dial 'CHIRPS'.
*Programmable for initiation voltage by simple external resistor DIP-8 BLOCK DIAGRAM R2 C3 R3 4 7 6 3 C2 LOW OSC HIGH OSC AMP 8 OUTPUT 1 POWER SUPPLY (WITH HYSTERESIS) 5 Note:R2,R3,C2 and C3 are parts 2 externally mounted ABSOLUTE MAXIMUM RATINGS(Ta=25°C ) CHARACTERISTIC Supply Voltage Power Dissipation Operating Temperature Storage Temperature SYMBOL Vcc Pd.

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