SI4706-C31 Datasheet, PDF (23/36 Pages) Silicon Laboratories – HIGH-PERFORMANCE FM RDS/RBDS RECEIVER

Re-synchronization time in
typical RDS decoder using
hard decision techniques.
CNR
Si4706-C31
Si4706 RDS advanced decoder
with persistent synchronization
delivers data during “dead time.”
Level at which typical RDS decoder returns
block error and declares sync loss.
time
Level at which Si4706 advanced
RDS decoder declares sync loss.
Figure 15. Illustrative Si4706 Advanced RDS Synchronization
1.E+00
Decoder Failure Probability
1.E-01
1.E-02
1.E-03
RDS Standard Limits
Si4706 RDS Decoder
1.E-04
0
1
2
3
4
5
6
Eb/N0
Figure 16. Si4706 Preliminary Decoder Performance
Rev. 1.0
23