CC1000
SWRS048A Page 21 of 55
Preamble
NRZ data
Data package to be received
RX
Noise
RX
PD
Averaging filter
free-running / not used
Automatically locked after a short period depending on “SETTLING”
Noise
Averaging filter locked
Preamble
NRZ data
Data package to be received
RX
Noise
RX
PD
Averaging filter
free-running / not used
Automatically locked after a short period depending on “SETTLING”
Noise
Averaging filter locked
Figure 12. Automatic locking of the averaging filter
Preamble
NRZ data
Data package to be received
RX
Noise
PD
Averaging filter free-running
Manually locked after preamble is detected
Noise
Averaging filter locked
Preamble
NRZ data
Data package to be received
RX
Noise
PD
Averaging filter free-running
Manually locked after preamble is detected
Noise
Averaging filter locked
Figure 13. Manual locking of the averaging filter
Preamble
Manchester encoded data
Data package to be received
RX
Noise
PD
Averaging filter always free-running
Noise
Preamble
Manchester encoded data
Data package to be received
RX
Noise
PD
Averaging filter always free-running
Noise
Figure 14. Free-running averaging filter