Analog Devices AD8342 - Manual (Page 11)

AD8342
Rev. 0 | Page 11 of 20
60
0
100 550
05352-010
RF FREQUENCY (MHz)
INPUT IP2 (
d
Bm)
50
40
30
20
10
IF = 10MHz
IF = 140MHz
IF = 90MHz
IF = 48MHz
150 200 250 300 350 400 450 500
Figure 21. Input IP2 vs. RF Frequency (Second RF = R F - 50 MHz)
60
40 05352-029
INPUT IP2 (
d
Bm)
58
56
54
52
50
48
46
44
42
–15 5
LO LEVEL (dBm)
–13 –11 –9 –7 –5 –3 –1 1 3
IF = 10MHz
IF = 48MHz
IF = 90MHz
IF = 140MHz
Figure 22. Input IP2 vs. LO Level, f
RF
= 238 MHz, ,f
RF2
=188MHz
14.0
11.0
50 550
05352-
016
RF FREQUENCY (MHz)
NOISE F
IGURE (d
B)
13.5
13.0
12.5
12.0
11.5
100 150 200 250 300 350 400 450 500
Figure 23. Noise Figure vs. RF Frequency, IF Frequency = 48 MHz
60
0
10
05352-011
IF FREQUENCY (MHz)
INPUT IP2 (
d
Bm)
50
40
30
20
10
50 100 150 200 250 300 350
RF = 238MHz
RF = 460MHz
Figure 24. Input IP2 vs. IF Frequency (Second RF = R F - 50 MHz)
05352-030
INPUT IP2 (
d
Bm)
60
40
58
56
54
52
50
48
46
44
42
VPOS (V)
4.75 5.25 4.85 4.95 5.05 5.15
Figure 25. Input IP2 vs. Vpos, f
RF1
= 238 MHz,
f
RF2
= 188 MHz, f
LO
= 286 MHz
16
0
10
05352-
017
IF FREQUENCY (MHz)
NOISE F
IGURE (d
B)
14
12
10
8
6
4
2
60 110 160 210 260 310
RF = 460MHz
RF = 238MHz
Figure 26. Noise Figure vs. IF Frequency