JVC XT-G70RBK User Manual

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XT-G 7ORBK
Technical Explanation
1. Outline
RDS (Radio Data System) means the system to transmit control signal such as frequency
information for tuning, traffic information and so on.
RDS signal which is DSB modulated at sub carrier frequency of 57kHz is FM modulated into
main carrier signal.
Table-1 shows the details for RDS signal.
Figure 1 shows the frequency spectrum at “RDS signal and stereo modulated (composite ) signal.
[Table-1] RDS signal’s Specification
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Sufi Searnehnneauiatian corn Bue Sideband Carrier Suppression
Amplitude Modulation
RDS only: +2kHz
TRI: + 1.2kHz
Data Modulation Form Two Phase PSK (Phase Shift Keying )
Data Coding Form Differential Coding
7kHz +2. %cosi
Osaipied Banawidth 57kHz 2.AkHz(V 100%cosine roll off
Characteristic
Modulation Form
Frequency Deviation
Data Form
(No. 20489) 1-21

JVC XT-G70RBK Specifications

General

Brand	JVC
Model	XT-G70RBK
Category	Stereo System
Language	English