CPC5622 Datasheet, PDF (15/18 Pages) Clare, Inc. – LITELINK® III Phone Line Interface IC (DAA)

INTEGRATED CIRCUITS DIVISION
CPC5622
6. LITELINK Performance
The following graphs show LITELINK performance using the North American application circuit shown in this data
sheet.
Figure 6. Receive Frequency Response at RX
2
0
-2
-4
Gain
-6
dBm
-8
-10
-12
-14
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
Figure 9. Transmit THD on Tip and Ring
0
-20
-40
-60
THD+N
dB
-80
-100
-120
-140
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
Figure 7. Transmit Frequency Response at TX
2
0
-2
-4
Gain
dBm
-6
-8
-10
-12
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
Figure 8. Receive THD on RX
0
-20
-40
-60
THD+N
dB
-80
-100
-120
-140
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
Figure 10.Transhybrid Loss
0
-5
-10
-15
THL
dB ^-20
-25
-30
-35
-40
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
Figure 11.Return Loss
60
55
50
Re tur n
Loss 45
(dB)
40
35
30
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency (Hz)
R03
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