Analog Devices AD8342 - Manual (Page 8)

AD8342
Rev. 0 | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
V
S
= 5 V, T
A
= 25°C, RF power = −10 dBm, LO power = 0 dBm, Z
O
= 50 Ω, R
BIAS
= 1.82 kΩ, RF termination 100 Ω, IF terminated into
100 Ω via a 2:1 ratio balun, unless otherwise noted.
05352-004
RF FREQUENCY (MHz)
GAIN (
d
B)
IF = 10MHz
50 550 100 150 200 250 300 350 400 450 500
IF = 90MHz
6
5
4
3
2
1
IF = 48MHz
IF = 140MHz
Figure 3. Conversion Gain vs. RF Frequency
5
0 05352-025
LO LEVEL (dBm)
GAIN (
d
B)
–15 –10 –5 0 5
IF = 48MHz
IF = 90MHz
IF = 140MHz
4
3
2
1
IF = 10MHz
Figure 4. Gain vs. LO Level, RF Frequency = 238 MHz
5.0
0 05352-039
TEMPERATURE ( °C)
GAIN (
d
B)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
–20 0 20 40 60 80 –40
Figure 5. Gain vs. Temperature, f
RF
= 238 MHz, f
LO
= 286 MHz
5
1 05352-005
IF FREQUENCY (MHz)
GAIN (
d
B)
6
4
3
2
50 10 100 150 200 250 300 350
RF = 238MHz
RF = 460MHz
Figure 6. Conversion Gain vs. IF Frequency
5.0
0 05352-026
VPOS (V)
GAIN (
d
B)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
4.75 5.25 4.85 4.95 5.05 5.15
Figure 7. Gain vs. Vpos, f
RF
= 238 MHz, f
LO
= 286 MHz
50
0
3.40
3.90
05352-054
CONVERSION GAIN (238MHz)
P
E
RCE
NTAGE
45
40
35
30
25
20
15
10
5
3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85
NORMAL
MEAN = 3.7
STD. DEV. = 0.06
CONVERSION GAIN
(238MHz) PERCENTAGE
Figure 8. Conversion Gain Distribution, f
RF
= 238 MHz, f
LO
= 286 MHz