GL6851 - TWO TONE RINGER
The GL6851 tone ringer is a monolithic device, which incorporates two oscillators, an output amplifier and a power supply control circuit.
The oscillator frequencies can be adjusted over a wide range by selection of external components.
One oscillator, normally operated at a low frequency, causes th
GL6851 Features
* Low current consumption. Designed for telephone bell replacement. Small size MINIDIP package. Adjustable 2- frequency tone. Built-in hysteresis prevents false triggering and rotary dial CHIRPS. Alarms or other alerting d