Datasheet

LTC6430-15
20
643015f
50MHz to 1000MHz CATV Push-Pull Amplifier:
75Ω Input and 75Ω Output
applicaTions inForMaTion
Figure 11. CATV Circuit, Input and
Output Return Loss vs Frequency
Figure 12. CATV Amplifier Circuit,
Gain (S21) vs Frequency
Figure 13. CATV Amplifier Circuit,
Noise Figure vs Frequency
FREQUENCY (MHz)
0
–30
MAG (dB)
–25
–20
–15
–10
0
200 400 600 800
1000 1200
–5
S11
643015 F11
S22
FREQUENCY (MHz)
0
MAG (dB)
200 400 600 800 1000 1200
643015 F12
0
4
2
14
8
10
12
6
1
5
3
15
9
11
13
7
S21
FREQUENCY (MHz)
0
0
NOISE FIGURE (dB)
2
4
6
8
10
200 400 600 800
1000 1200
643015 F13
V
CC
= 5V, T = 25°C
INCLUDES BALUN LOSS
Figure 14. CATV Amplifier Circuit,
OIP3 vs Frequency
Figure 15. HD2 and HD3 Products
vs Frequency
FREQUENCY (MHz)
0
OIP3 (dBm)
200 400 600 800 1000
643015 F14
42
46
50
38
34
30
26
54
V
CC
= 5V, T = 25°C
P
OUT
= 2dBm/TONE
FREQUENCY (MHz)
0
HD2 AND HD3 (dBc)
200 400 600 800 1000
643015 F15
V
CC
= 5V, T = 25°C
P
OUT
= 8dBm/TONE
–70
–20
–10
0
–90
–40
–80
–30
–100
–110
–50
–60
HD2 AVG
HD3 AVG