MAX2661EUT-T Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2661EUT-T 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.)
MAX2663
RF PORT IMPEDANCE vs. RF FREQUENCY
900
MAX2663toc08 -100
800
-200
700
IMAGINARY -300
600
-400
500
-500
400
-600
300
-700
200
-800
100
0
0
REAL
500 1000 1500 2000
RF FREQUENCY (MHz)
-900
-1000
2500
MAX2671
SUPPLY CURRENT vs. SUPPLY VOLTAGE
14
13
TA = +85°C
12
TA = +25°C
MAX2663
LO-TO-RF AND RF-TO-LO ISOLATION
vs. LO AND RF FREQUENCY
35
RF-TO-LO ISOLATION
30
POWER INTO RF PORT = -25dBm
25
20
LO-TO-RF ISOLATION
POWER INTO LO PORT = -5dBm
15
10
fRF
fLO
fIF
900MHz 970MHz 70MHz
5 1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
0
500
1000
1500
2000
2500
LO AND RF FREQUENCY (MHz)
MAX2671
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10
9 SHDN = GND
8
7
6
MAX2663
CONVERSION GAIN AND OUTPUT
POWER vs. IF INPUT POWER
10
5 fRF = 900MHz
CONVERSION GAIN
0
-5 fRF = 1900MHz
-10
fRF = 2450MHz
-15
fRF = 900MHz
-20
OUTPUT
POWER
-25 fRF = 1900MHz
fRF = 2450MHz
-30
-35
fRF
fLO
fIF
-40
900MHz 970MHz 70MHz
-45
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
-50
-50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
IF INPUT POWER (dBm)
MAX2671
CONVERSION GAIN vs. RF FREQUENCY
12
VCC = +5.5V
10
8
6
11
TA = -40°C
10
9
8
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
5
TA = +85°C
4
3
TA = +25°C
2
TA = -40°C
1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
4
2
VCC = +2.7V
RF MATCH fRF
fIF
0
400MHz fRF = fLO - fIF 45MHz
900MHz fRF = fLO - fIF 70MHz
-2
1900MHz fRF = fLO + fIF 70MHz
2450MHz fRF = fLO + fIF 240MHz
-4
0 500 1000 1500 2000 2500 3000
RF FREQUENCY (MHz)
MAX2671
CONVERSION GAIN vs. IF FREQUENCY
12
fRF = 900MHz
10
8
fRF = 2450MHz
fRF = 1900MHz
6
4
fRF
fIF
2
900MHz fIF = fLO - fRF
1900MHz fIF = fRF - fLO
2450MHz fIF = fRF - fLO
0
0 50 100 150 200 250 300 350 400 450 500
IF FREQUENCY (MHz)
MAX2671
CONVERSION GAIN vs. LO POWER
12
10
8
6
fRF = 900MHz
fRF = 1900MHz
4
2
fRF = 2450MHz
0
-2
fRF
fLO
fIF
-4
900MHz 970MHz 70MHz
-6
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
-8
-35 -30 -25 -20 -15 -10 -5 0 5 10
LO INPUT POWER (dBm)
MAX2671
LO PORT RETURN LOSS vs. LO FREQUENCY
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
250
800 1350 1900 2450 3000
LO FREQUENCY (MHz)
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