MAX2411AEEI 查看數據表（PDF） - Maxim Integrated
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MAX2411AEEI Datasheet PDF : 14 Pages
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Low-Cost RF Up/Downconverter
with LNA and PA Driver
_____________________________Typical Operating Characteristics (continued)
(MAX2411A EV kit, VCC = +3.0V, VGC = +2.15V, RXEN = TXEN = low, all measurements performed in 50Ω environment, fLO = 1.5GHz,
PLO = -10dBm, fLNAIN = fPADRIN = fRXMXIN = 1.9GHz, PLNAIN = -32dBm, PPADRIN = PRXMXIN = -22dBm, fIF, IF = 400MHz,
PIF = -32dBm (Note 1), all impedance measurements made directly to pin (no matching network), TA = +25°C, unless otherwise noted.)
PA DRIVER
NOISE FIGURE vs. FREQUENCY
10
9 TXEN = VCC
8
7
6
5
4
3
2
1
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FREQUENCY (GHz)
RECEIVE MIXER CONVERSION
GAIN vs. TEMPERATURE
12
11
RXEN = VCC
10
VCC = 5.5V
9
8
VCC = 2.7V
7
6
5
4
3
2
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
PA DRIVER NOISE FIGURE
vs. GAIN-CONTROL VOLTAGE
30
25
TXEN = VCC
20
15
10
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
GAIN-CONTROL VOLTAGE (V)
RECEIVE MIXER INPUT IP3
vs. TEMPERATURE
6
VCC = 4.0V
5
VCC = 5.5V
4
3
2 VCC = 2.7V
VCC = 3.0V
1
RXEN = VCC
0
-40 -20 0
20 40
60 80
TEMPERATURE (°C)
RECEIVE MIXER INPUT IMPEDANCE
vs. FREQUENCY
MAX2410A-21
100
0
90
RXEN = VCC -20
80
IMAGINARY
-40
70
-60
60
-80
50
-100
40
-120
30
-140
20
REAL
-160
10
-180
0
-200
0.0 0.5 1.0 1.5 2.0 2.5 3.0
FREQUENCY (GHz)
RECEIVE MIXER CONVERSION GAIN
vs. RF FREQUENCY
18
16
IF = 400MHz
14
NARROW BAND MATCH
AT RXMXIN, EV KIT
12
MATCH AT IF, IF
10
8
6
EV KIT
MATCHING NETWORK
4 AT RXMXIN AND IFOUT
2
0
RXEN = VCC
-2
0.5 1.0 1.5 2.0 2.5 3.0
RF FREQUENCY (GHz)
RECEIVE MIXER GAIN AND NOISE FIGURE
vs. LO POWER
14
13 RXEN = VCC
12
NOISE FIGURE
11
10
9
8
GAIN
7
6
5
4
-18 -16 -14 -12 -10 -8 -6 -4 -2 0
LO POWER (dBm)
IF OR IF OUTPUT IMPEDANCE
1000
vs. FREQUENCY
0 MAX2411Atoc26
RXEN = VCC
800
-300
IMAGINARY
600
-600
400
SINGLE-ENDED
-900
200
0
0
REAL
200 400 600 800
FREQUENCY (MHz)
-1200
-1500
1000
TRANSMIT MIXER OUTPUT IMPEDANCE
vs. FREQUENCY
300
TXEN = VCC
250
0 MAX2411A-27
-25
200
IMAGINARY
-50
150
-75
100
-100
50
-125
REAL
0
-150
-50
-175
-100
0
-200
0.5 1.0 1.5 2.0 2.5 3.0
FREQUENCY (GHz)
6 _______________________________________________________________________________________
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