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AD8342
Rev. 0 | Page 13 of 20
0
–90
50
05352-021
LO FREQUENCY (MHz)
LEAKAGE (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)
FEEDTHROUGH (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)
FEEDTHROUGH (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)
SUPPLY CURRENT (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)
RETURN LOSS (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
1
1
1
2
1
0
9
VPLO LOCM LOIN COMM
AD8342
RF IN
1nF
100pF0.1µF
100pF0.1µF
V
POS
1nF
1nF
LO IN
TC2-1T
IF OUT
(50Ω)
100pF 0.1µF
VPOS
1nF
100Ω
1.82kΩ
100pF
VPOS
100pF0.1µF
05352-058
Figure 38. Characterization Circuit Used to Measure TPC Data