73K222BL Datasheet, PDF (24/26 Pages) TDK Electronics – V.22, V.21, Bell 212A, Bell 103 Single-Chip Modem with Integrated Hybrid

73K222BL
V.22, V.21, Bell 212A, Bell 103
Single-Chip Modem with Integrated Hybrid
APPLICATIONS INFORMATION (continued)
*73K222BL
BER vs SIGNALTO NOISE
10^-2
HIGH BAND RECEIVE
-40 dBm
DPSK OPERATION
10^-3
600
BPS
1200
BPS
C2
C1 or 3002
10^-4
C2
FLAT
C1 or 3002
FLAT
10^-5
*73K222BL
BER vs CARRIER OFFSET
10^-2
HIGH BAND RECEIVE
DPSK OPERATION
10^-3
10^-4
10^-5
3002 11.8 dB S/N
C2 11.3 dB S/N
10^-6
2
4
6
8 10 12 14
SIGNAL TO NOISE (dB)
*73K222BL
BER vs RECEIVE LEVEL
10^-2
HIGH BAND RECEIVE
DPSK OPERATION
C2 LINE
10^-3
10^-6
12
8
4
0 -4 -8 -12
CARRIER OFFSET (HZ)
*73K222BL
BER vs PHASE JITTER
10^-2
HIGH BAND RECEIVE
DPSK OPERATION
10^-3
10^-4
10^-4
3002 11.5 dB S/N
10^-5
S/N = 10.8 dB
10^-5
C2 10.8 dB S/N
10^-6
10
S/N = 15 dB
0 -10 -20 -30 -40 -50
RECEIVE LEVEL (dBm)
10^-6
0
4
8 12 16 20 24
PHASE JITTER (° PEAK)
* = “EQ On” Indicates bit CR1 D4 is set for additional phase equalization.
24