Simple and Low-Cost Realization of RDS Encoder

Abstract

This paper presents a simple and easy way of realization of RDS encoder. Autonomous equipment which is capable to generate wanted data stream, modulate that data stream and mixed generated signal with stereo or mono FM composite multiplex signal is simulated and produced. Parts of encoder are described, simulated and measured. The use of RDS makes FM receivers more user-friendly. With this simple and cheap RDS encoder, smaller FM broadcasters have a chance to improve business ability.

Keywords

• FM
• RDS
• D/A Converter
• ATmega8
• MFB filter
• DSB-SC