MAX2663 查看數據表（PDF） - Maxim Integrated
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MAX2663 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.)
MAX2660
CONVERSION GAIN AND OUTPUT
POWER vs. IF INPUT POWER
10
CONVERSION GAIN
0 fRF = 900MHz
fRF = 1900MHz fRF = 2450MHz
-10
fRF = 900MHz
-20 fRF = 1900MHz
OUTPUT POWER
fRF = 2450MHz
-30
fRF
fLO
fIF
-40
900MHz 970MHz 70MHz
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
-50
-50 -40 -30 -20 -10
0
IF INPUT POWER (dBm)
MAX2661
SUPPLY CURRENT vs. SUPPLY VOLTAGE
10.0
9.5
TA = +85°C
9.0
8.5
TA = +25°C
8.0
TA = -40°C
7.5
7.0
6.5
6.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
MAX2661
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10
9 SHDN = GND
8
7
6
5
TA = +85°C
4
TA = +25°C
3
2
TA = -40°C
1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
MAX2661
CONVERSION GAIN vs. RF FREQUENCY
12
VCC = 5.5V
10
8
6
4
VCC = 2.7V
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)
MAX2661
CONVERSION GAIN vs. IF FREQUENCY
12
fRF = 900MHz
10
8
fRF = 2450MHz
6
fRF = 1900MHz
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)
MAX2661
CONVERSION GAIN vs. LO POWER
15
fRF = 900MHz
10
fRF = 1900MHz
5
fRF = 2450MHz
0
-5
-10
-25
fRF
900MHz
1900MHz
2450MHz
fLO
970MHz
1830MHz
2210MHz
fIF
70MHz
70MHz
240MHz
-20 -15 -10 -5 0
LO POWER (dBm)
5 10
MAX2661
LO PORT RETURN LOSS vs. FREQUENCY
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
250
800 1350 1900 2450 3000
LO FREQUENCY (MHz)
MAX2661
IF PORT IMPEDANCE vs. IF FREQUENCY
800
0 MAX2661toc07
700
-50
600
-100
IMAGINARY
500
-150
400
-200
300
-250
200
-300
100
0
0
-350
REAL
-400
50 100 150 200 250 300 350 400 450 500
IF FREQUENCY (MHz)
MAX2661
RF PORT IMPEDANCE vs. RF FREQUENCY
900
MAX2661toc08 -100
800
IMAGINARY -200
700
-300
600
-400
500
-500
400
-600
300
-700
200
-800
100
REAL
-900
0
-1000
0 500 1000 1500 2000 2500 3000
RF FREQUENCY (MHz)
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