MAX2690EUB 查看數據表（PDF） - Maxim Integrated
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MAX2690EUB Datasheet PDF : 10 Pages
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Low-Noise, 2.5GHz
Downconverter Mixer
__________________________________________Typical Operating Characteristics
(MAX2690 EV kit, VCC = +3.0V, PLO = -3dBm, PRF = -25dBm, fRF = 1.95GHz, fIF = 200MHz, SHDN = high, TA = +25°C, unless
otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
25
23
21
TA = +25°C
TA = -40°C
19
17
15
TA = +85°C
13
11
9
7
5
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
SUPPLY VOLTAGE (V)
CONVERSION GAIN
vs. RF FREQUENCY
10
8
fIF = 200MHz
6
4
fIF = 200MHz
2
0
-2
fIF = 350MHz
-4
-6
0
500 1000 1500 2000 2500 3000
RF FREQUENCY (MHz)
CONVERSION GAIN
vs. LO POWER
10
fRF = 900MHz, fIF = 200MHz
8
6
4
2
fRF = 1950MHz, fIF = 200MHz
0
fRF = 2450MHz, fIF = 350MHz
-2
-4
-6
-15 -13 -11 -9 -7 -5 -3 -1 1 3 5
LO POWER (dBm)
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.6
SHDN = 0V
1.4
1.2
TA = +85°C
TA = +25°C
1.0
0.8
TA = -40°C
0.6
0.4
0.2
0
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
SUPPLY VOLTAGE (V)
NOISE FIGURE
vs. RF FREQUENCY AND TEMPERATURE
14
12
10
8
6
4
2
0
500
TA = +85°C
TA = +25°C
TA = -40°C
fRF
(MHz)
900
1950
2450
fIF
(MHz)
200
200
350
1000 1500 2000 2500 3000
RF FREQUENCY (MHz)
GAIN AND LINEARITY
vs. LGND INDUCTOR VALUE
14
fRF = 1.95GHz
12
10
OIP3
IIP3
8
GAIN
6
4
2
0
0
12
27
47
LGND INDUCTOR VALUE (nH)
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
50
CONVERSION GAIN
vs. IF FREQUENCY
fRF = 2.45GHz
100 150 200 250 300 350
IF FREQUENCY (MHz)
RF PORT IMPEDANCE
vs. FREQUENCY
140
MAX2690toc06
0
120
-50
100
-100
IMAGINARY
80
-150
60
-200
40
-250
REAL
20
-300
0
500
1000
1500
2000
FREQUENCY (MHz)
-350
2500
LO PORT S11 vs. FREQUENCY
10
0
-10
-20
-30
-40
-50
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
FREQUENCY (GHz)
4 _______________________________________________________________________________________
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