Analog Devices AD8342 - Manual (Page 13)

AD8342
Rev. 0 | Page 13 of 20
0
–90
50
05352-021
LO FREQUENCY (MHz)
LE
AKAGE
(dBc
)
–10
–20
–30
–40
–50
–60
–70
–80
250 450 650 850
Figure 33. LO to RF Leakage vs. LO Frequency, LO Power = 0 dBm
0
–45
50 550
05352-035
RF FREQUENCY (MHz)
FE
E
D
THROUGH (dBc
)
–5
–10
–15
–20
–25
–30
–35
–40
100 150 200 250 300 350 400 450 500
IF = 10MHz
IF = 48MHz
Figure 34. RF to IF Feedthrough, RF Power = −10 dBm
0
–45
50 850
05352-020
LO FREQUENCY (MHz)
FE
E
D
THROUGH (dBc
)
–5
–10
–15
–20
–25
–30
–35
–40
150 250 350 450 550 650 750
Figure 35. LO to IF Feedthrough vs. LO Frequency, LO Power = 0 dBm
120
0 05352-034
TEMPERATURE ( °C)
S
U
P
P
L
Y
CURRE
NT (mA)
–20 0 20 40 60 80 –40
100
80
60
40
20
Figure 36. Supply Current vs. Temperature
0
–18
60 860
05352-059
LO FREQUENCY (MHz)
RE
TURN LOS
S
(dB)
–2
–4
–6
–8
–10
–12
–14
–16
160 260 360 460 560 660 760
Figure 37. LO Return Loss vs. LO Frequency
8
7
6
13
15
16
COMM
IFOP
IFOM
5 COMM
14
2 1 3 4
COMM
RFCM
RFIN
VPMX
VPDC PWDN EXRB COMM
11 12 10 9
VPLO LOCM LOIN COMM
AD8342
RF IN
1nF
100pF 0.1 µF
100pF 0.1 µF
VPOS
1nF 1nF
LO IN
TC2-1T
IF OUT
(50
Ω)
100pF 0.1 µF
VPOS
1nF
100 Ω
1.82k Ω
100pF
VPOS
100pF 0.1 µF
05352-058
Figure 38. Characterization Circuit Used to Measure TPC Data