MAX2673EUA Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2673EUA Datasheet PDF : 16 Pages
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400MHz to 2.5GHz Upconverter Mixers
Typical Operating Characteristics (continued)
(VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673),
PIFIN = -30dBm, TA = +25°C, unless otherwise noted.)
MAX2671
IF PORT IMPEDANCE vs. IF FREQUENCY
800
0 MAX2671toc07
700
IMAGINARY
-50
600
-100
500
-150
400
-200
300
-250
200
-300
100
0
0
20
10
REAL
100 200 300 400
IF FREQUENCY (MHz)
-350
-400
500
MAX2671
CONVERSION GAIN AND OUTPUT
POWER vs. IF INPUT POWER
CONVERSION GAIN
fRF = 1900MHz
0 fRF = 900MHz fRF = 2450MHz
-10
fRF = 900MHz
-20 fRF = 1900MHz
OUTPUT POWER
fRF = 2450MHz
-30
fRF
fLO
fIF
900MHz 970MHz 70MHz
-40
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
-50
-50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
IF INPUT POWER (dBm)
MAX2671
RF PORT IMPEDANCE vs. RF FREQUENCY
700
MAX2671toc08 -100
600
IMAGINARY -200
500
-300
400
-400
300
-500
200
-600
100
0
0
-700
REAL
-800
500 1000 1500 2000 2500 3000
RF FREQUENCY (MHz)
MAX2673
SUPPLY CURRENT vs. SUPPLY VOLTAGE
24
23
22
TA = +85°C
21
20
TA = +25°C
19
TA = -40°C
18
17
16
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
MAX2671
LO-TO-RF AND RF-TO-LO ISOLATION
vs. LO or RF FREQUENCY
34
32
LO-TO-RF ISOLATION
POWER INTO LO PORT = -10dBm
30
28
26
24
22
RF-TO-LO ISOLATION
20
POWER INTO RF PORT = -25dBm
18
500
1000
1500
2000
2500
LO AND RF FREQUENCY (MHz)
MAX2673
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10
9 SHDN = GND
8
7
6
5
TA = +85°C
4
TA = -40°C
3
2
TA = +25°C
1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
MAX2673
CONVERSION GAIN vs. RF FREQUENCY
14
VCC = +2.7V
12
VCC = +2.7V
10
8
6
VCC = +5.5V
4
RF MATCH fRF
fIF
2
400MHz fRF = fLO - fIF 45MHz
900MHz fRF = fLO - fIF 70MHz
0
1900MHz fRF = fLO + fIF 70MHz
2450MHz fRF = fLO + fIF 240MHz
-2
0 500 1000 1500 2000 2500 3000
RF FREQUENCY (MHz)
MAX2673
CONVERSION GAIN vs. IF FREQUENCY
14
fRF = 900MHz
12
10 fRF = 1900MHz
8 fRF = 2450MHz
6
4
2
fRF
fIF
900MHz fIF = fLO - fRF
0
1900MHz fIF = fRF - fLO
2450MHz fIF = fRF - fLO
-2
0 50 100 150 200 250 300 350 400 450 500
IF FREQUENCY (MHz)
MAX2673
CONVERSION GAIN vs. LO POWER
14
12
10
fRF = 900MHz
8
fRF = 2450MHz
6
fRF = 1900MHz
4
fRF
fLO
fIF
900MHz 970MHz 70MHz
2
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
0
-25 -20 -15 -10 -5 0 5 10
LO POWER (dBm)
10 ______________________________________________________________________________________
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