73k322l ETC-unknow, 73k322l Datasheet - Page 27

• Manufacturer Part Number: 73k322l
• Description: Ccitt V.23, V.22, V.21 Single-chip Modem
• Manufacturer: ETC-unknow

* = “EQ On” Indicates bit CR1 D4 is set for additional phase equalization.
10 -2
10 -3
10 -4
10 -5
10 -6
10 -2
10 -3
10 -4
10 -5
10 -6
0
-2
0
FLAT EQ. OFF
C2 EQ. OFF
BER vs S/N (V.23 ONLY)
BER vs PHASE JITTER
BACK CHANNEL
4
2
3002 11.5 dB S/N
4
PHASE JITTER (
SIGNAL TO NOISE (dB)
8
6
73K322L
73K322L
8
12
10
C2 10.8 dB S/N
12
˚
HIGH BAND RECEIVE
PEAK)
DPSK OPERATION
16
FLAT EQ. ON
14
V.23 OPERATION
C2 EQ. ON
16
-40 dBM
3002 EQ. OFF
3002 EQ. ON
20
18
20
24
22
27
10 -2
10 -3
10 -4
10 -5
10 -6
10 -2
10 -3
10 -4
10 -5
10 -6
0
12
1
BER vs SIGNAL TO NOISE
BER vs CARRIER OFFSET
C2 11.3 dB S/N
2
8
CCITT V.23, V.22, V.21
3
SIGNAL TO NOISE (dB)
CARRIER OFFSET (HZ)
Single-Chip Modem
4
4
73K322L
73K322L
5
3002 11.8 dB S/N
6
0
FLAT HIGH BAND
FLAT, 3002 AND C2 LINES
LOW BAND RECEIVE
C2 HIGH BAND
7
HIGH BAND RECEIVE
DPSK OPERATION
8
-4
V.21 OPERATION
3002 HIGH BAND
9
-40 dBM
10
-8
11
12
-12