K2411
Key Features
- Designed for telephone bell replacement * Adjustable 2-tone frequency * Hysteresis circuit prevents false triggering and rotary dial “Chirps” * Adjustable for reduced supply initiation current Package: DIP-8 Pin No 1 2 3 4 5 6 7 8 Name VCC RSL LFI LFO GND HFO HFI OUT Function Power supply (+) Resistor select Low freq osc input Low freq osc output Ground (-) High freq osc output High freq osc input Signal output 1 2 3 4 8 7 6 5