Features:

• Complete Telephone Bell Replacement Circuit with Minimum
External Components
• On–Chip Diode Bridge and Transient Protection
• Direct Drive for Piezoelectric Transducers
• Push Pull Output Stage for Greater Output Power Capability
• Base Frequency Options – MC34017–1: 1.0 kHz
– MC34017–2: 2.0 kHz
– MC34017–3: 500 Hz
• Input Impedance Signature Meets Bell and EIA Standards
• Rejects Rotary Dial Transien