Analog Devices AD8342 - Manual (Page 9)

AD8342
Rev. 0 | Page 9 of 20
27
17
50 550
05352-007
RF FREQUENCY (MHz)
INPUT IP3 (
d
Bm)
100 150 200 250 300 350 400 450 500
26
25
24
23
22
21
20
19
18
IF = 10MHz
IF = 140MHz
IF = 90MHz
IF = 48MHz
Figure 9. Input IP3 vs. RF Frequency
27
17
–15 5
05352-027
LO LEVEL (dBm)
INPUT IP3 (
d
Bm)
26
25
24
23
22
21
20
19
18
–13 –11 –9 –7 –5 –3 –1 1 3
IF = 10MHz IF = 48MHz
IF = 90MHz 140MHz
Figure 10. Input IP3 vs. LO Level, f
RF1
= 238 MHz, f
RF2
= 239 MHz
27
17 05352-032
TEMPERATURE ( °C)
INPUT IP3 (
d
Bm)
–20 0 20 40 60 80 –40
26
25
24
23
22
21
20
19
18
Figure 11. Input IP3 vs. Temperature, f
RF1
= 238 MHz, f
RF2
= 239 MHz,
f
LO
= 286 MHz
27
17
10
05352-008
IF FREQUENCY (MHz)
INPUT IP3 (
d
Bm)
350
26
25
24
23
22
21
20
19
18
50 100 150 200 250 300
RF = 460MHz
RF = 238MHz
Figure 12. Input IP3 vs. IF Frequency
05352-028
VPOS (V)
INPUT IP3 (
d
Bm)
27
17
4.75 5.25
26
25
24
23
22
21
20
19
18
4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20
Figure 13. Input IP3 vs. Vpos, f
RF
= 238 MHz, f
RF2
= 239 MHz
LO Frequency = 286 MHz
20
0
20.6
05352-055
INPUT IP3 (238MHz)
P
E
RCE
NTAGE
18
16
14
12
10
8
6
4
2
21.0 21.4 21.8 22.2 22.6 23.0 23.4 23.8 24.2
NORMAL
MEAN = 22.7
STD. DEV. = 0.41
INPUT IP3
(238MHz) PERCENTAGE
Figure 14. Input IP3 Distribution, f
RF
= 238 MHz, f
LO
= 286 MHz