LM567CN voice decoder
• 20 to 1 Frequency Range With an External Resistor
• Logic Compatible Output With 100-mA Current Sinking Capability
• Bandwidth Adjustable From 0 to 14%
• High Rejection of Out of Band Signals and Noise
• Immunity to False Signals
• Highly Stable Center Frequency
• Center Frequency Adjustable from 0.01 Hz to
500 kHz