TELEPHONE TONE RINGER
The UTC TA31002 is a bipolar integrated circuit designed for
telephone bell replacement. It can also be used as alarms or other
*Current consumption is small. (at no-load)
*Package is compaction. (DIP-8 pin)
*Oscillation frequency is variable.
*Built-in threshold circuits prevent false triggering due
to power noise as well as “chirps” due to rotary dial.
*Few external components.