UNISONIC TECHNOLOGIES CO.
, LTD TA31001 LINEAR INTEGRATED CIRCUIT TELEPHONE TONE RINGER „ DESCRIPTION The UTC TA31001 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 Extension of Lines.
*Adjustable 2-Frequency Tone.
*Adjustable Warbling Rate.
*Built-in Hysteresis Prevents False Triggering and Rotary Dial 'CHIRPS'.
*Programmable for Initiation Voltage by Simple External Resistor.
DIP-8 „ ORDERING INFORMATION Ordering Number Lead Free Halogen Free TA31001L-D08-T TA31001G-D08-T Package DIP-8 Packing Tube www.
unisonic.
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