MAX2663EUT-T Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2663EUT-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.)
MAX2661
LO-to-RF AND RF-TO-LO ISOLATION
vs. LO OR RF FREQUENCY
30
28
RF-TO-LO ISOLATION
POWER INTO RF PORT = -25dBm
26
24
22
LO-TO-RF ISOLATION
20
POWER INTO LO PORT = -5dBm
18
16
14
12
10
500
fRF
900MHz
1900MHz
2450MHz
fLO
970MHz
1830MHz
2210MHz
fIF
70MHz
70MHz
240MHz
750 1000 1250 1500 1750 2000 2250 2500
MAX2661
CONVERSION GAIN AND OUTPUT
POWER vs. IF INPUT POWER
15
CONVERSION GAIN
10
5
fRF = 900MHzfRF = 2450MHz
0
fRF = 1900MHz
-5
fRF = 900MHz
-10 fRF = 1900MHz
-15
OUTPUT POWER
fRF = 2450MHz
-20
fRF
fLO
fIF
-25
900MHz 970MHz 70MHz
-30
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
-35
-40 -35 -30 -25 -20 -15 -10 -5 0
MAX2663
SUPPLY CURRENT vs. SUPPLY VOLTAGE
4.0
3.5
TA = +85°C
3.0
TA = +25°C
2.5
TA = -40°C
2.0
1.5
1.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
LO OR RF FREQUENCY (MHz)
MAX2663
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10
9 SHDN = GND
IF INPUT POWER (dBm)
MAX2663
CONVERSION GAIN vs. RF FREQUENCY
6
VCC = +2.7V
4
SUPPLY VOLTAGE (V)
MAX2663
CONVERSION GAIN vs. IF FREQUENCY
4
3
fRF = 900MHz
8
2
2
7
1
6
0
0
fRF = 2450MHz
5
4
3
TA = +85°C
2
TA = +25°C
1
TA = -40°C
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
-2
-4
-6
-8
-10
0
VCC = +5.5V
RF MATCH fRF
400MHz fRF = fLO - fIF
900MHz fRF = fLO - fIF
1900MHz fRF = fLO + fIF
2450MHz fRF = fLO + fIF
fIF
45MHz
70MHz
70MHz
240MHz
500 1000 1500 2000 2500 3000
-1
-2
-3
-4
-5
-6
0
fRF = 1900MHz
fRF
900MHz
1900MHz
2450MHz
fIF
fIF = fLO - fRF
fIF = fRF - fLO
fIF = fRF - fLO
100 200 300 400 500
SUPPLY VOLTAGE (V)
RF FREQUENCY (MHz)
IF FREQUENCY (MHz)
MAX2663
CONVERSION GAIN vs. LO POWER
6
fRF = 900MHz
4
2 fRF = 1900MHz
0
-2
fRF = 2450MHz
-4
-6
-8
-10
-25
fRF
900MHz
1900MHz
2450MHz
fLO
970MHz
1830MHz
2210MHz
fIF
70MHz
70MHz
240MHz
-20 -15 -10 -5 0
LO POWER (dBm)
5 10
MAX2663
LO PORT RETURN LOSS vs. LO FREQUENCY
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
250
700 1150 1600 2050 2500
LO FREQUENCY (MHz)
MAX2663
IF PORT IMPEDANCE vs. IF FREQUENCY
900
0 MAX2663toc07
800
-100
IMAGINARY
700
-200
600
-300
500
-400
400
-500
300
-600
200
-700
100
0
0
REAL
100 200 300 400
IF FREQUENCY (MHz)
-800
-900
500
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