Aspect 6000-0020 Call Center DTMF Receiver Circuit

The Aspect 6000-0020 Call Center DTMF Receiver Circuit is a compact, high performance module designed to reliably decode dual tone multi frequency (DTMF) signals in busy telephony environments. Engineered for call center infrastructure, this receiver provides fast, accurate tone detection while minimizing false triggers caused by background noise or line interference.

Key Features

• Fast detection time of less than 50 ms for each DTMF digit
• High immunity to line noise and echo
• Supports standard DTMF frequencies from 697 Hz to 1633 Hz
• Compact board layout fits into standard 19 inch rack units
• Low power consumption of less than 500 mW
• Simple interface with TTL level output for easy integration
• Built-in overload protection for harsh line conditions

Technical Specifications

• Operating voltage: 5 V DC +/- 10%
• Input impedance: 600 ohms
• Output: Open collector TTL compatible
• Detection accuracy: +/- 2 percent on frequency
• Temperature range: -20 degrees to +70 degrees C
• Dimensions: 85 mm x 56 mm x 15 mm
• Compliance: CE, FCC Part 15 Class B

Typical Applications

• Automatic call distribution (ACD) systems
• Interactive voice response (IVR) platforms
• Call logging and analytics equipment
• Telephony testing and monitoring tools
• VoIP gateways that require analog DTMF input
• Customer support desk hardware upgrades

With its robust design and easy integration, the Aspect 6000-0020 enhances call handling efficiency, reduces misdial errors, and supports scalable call center operations.