AD8342 데이터 시트보기 (PDF) - Analog Devices
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AD8342 Datasheet PDF : 20 Pages
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AD8342
TYPICAL PERFORMANCE CHARACTERISTICS
VS = 5 V, TA = 25°C, RF power = −10 dBm, LO power = 0 dBm, ZO = 50 Ω, RBIAS = 1.82 kΩ, RF termination 100 Ω, IF terminated into
100 Ω via a 2:1 ratio balun, unless otherwise noted.
6
6
5
4
IF = 48MHz
3
IF = 10MHz
IF = 140MHz
IF = 90MHz
2
5
RF = 238MHz
4
3
2
RF = 460MHz
1
50 100 150 200 250 300 350 400 450 500 550
RF FREQUENCY (MHz)
Figure 3. Conversion Gain vs. RF Frequency
5
IF = 48MHz
4
IF = 10MHz
3
IF = 140MHz
2
IF = 90MHz
1
0
–15
–10
–5
0
5
LO LEVEL (dBm)
Figure 4. Gain vs. LO Level, RF Frequency = 238 MHz
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 5. Gain vs. Temperature, fRF = 238 MHz, fLO = 286 MHz
1
10 50
100
150
200
250
300
350
IF FREQUENCY (MHz)
Figure 6. Conversion Gain vs. IF Frequency
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
4.75
4.85
4.95
5.05
5.15
5.25
VPOS (V)
Figure 7. Gain vs. Vpos, fRF = 238 MHz, fLO = 286 MHz
50
NORMAL
45 MEAN = 3.7
STD. DEV. = 0.06
40
CONVERSION GAIN
(238MHz) PERCENTAGE
35
30
25
20
15
10
5
0
3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90
CONVERSION GAIN (238MHz)
Figure 8. Conversion Gain Distribution, fRF = 238 MHz, fLO = 286 MHz
Rev. 0 | Page 8 of 20
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