KT3170
LOW POWER DTMF RECEIVER
INTRODUCTION
18-DIP-300A The KT3170 is a complete Dual Tone Multiple Frequency (DTMF) receiver that is fabricated by low power CMOS and the Switched-Capacitor Filter technology. This LSI consists of band split filters, which seperates counting section which verifies the frequency and duration of the received tones before pass...
