AD8344
Rev. 0 | Page 9 of 20
50
48
46
44
42
40
38
36
34
32
30
400 500 600 700 800 900 1000 1100 1200
04826-0-033
RF FREQUENCY (MHz)
INPUT IP2 (dBm)
IF = 200
IF = 100
IF = 400
IF = 70
Figure 13. Input IP2 vs. RF Frequency (RF Tone Spacing = 50 MHz)
60
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
–10–9–8–7–6–5–4–3–2–1 0 1 2 3 4
04826-0-034
LO LEVEL (dBm)
INPUT IP2 (dBm)
Figure 14. Input IP2 vs. LO Power,
F
RF
= 890 MHz, F
LO
= 1090 MHz (RF Tone Spacing = 50 MHz)
40
42
44
46
48
50
52
54
–40–30–20–100 1020304050607080
04826-0-037
TEMPERATURE (°C)
INPUT IP2 (dBm)
4.75V
5.0V
5.25V
Figure 15. Input IP2 vs. Temperature, F
RF
= 890 MHz,
F
LO
= 1090 MHz (RF Tone Spacing = 50 MHz)
50
52
54
56
58
60
30
32
34
36
38
40
42
44
46
48
80 120 160 200 240 280 320 360 400
04826-0-015
IF FREQUENCY (MHz)
INPUT IP2 (dBm)
RF = 450MHz
RF = 890MHz
Figure 16. Input IP2 vs. IF Frequency (RF Tone Spacing = 50 MHz)
35
0
5
10
15
20
25
30
44 45 46 47 48 49 50 51 52 555453
04826-0-035
INPUT IP2 (dBm)
PERCENTAGE
IIP2 PERCENTAGE
NORMAL (MEAN = 48.96,
STD DEV = 01.17)
Figure 17. Input IP2 Distribution, F
RF
= 890 MHz,
F
LO
= 1090 MHz (RF Tone Spacing = 50 MHz)