400MHz to 2.5GHz Upconverter Mixers
Typical Operating Characteristics (continued)
(V CC = SHDN = +3.0V, Typical Operating Circuits , P LO = -5dBm (MAX2660/MAX2661/MAX2663), P LO = -10dBm (MAX2671/MAX2673),
P IFIN = -30dBm, T A = +25°C, unless otherwise noted.)
MAX2661
MAX2661
LO-to-RF AND RF-TO-LO ISOLATION
vs. LO OR RF FREQUENCY
CONVERSION GAIN AND OUTPUT
POWER vs. IF INPUT POWER
MAX2663
SUPPLY CURRENT vs. SUPPLY VOLTAGE
30
28
26
24
22
20
18
16
14
12
RF-TO-LO ISOLATION
POWER INTO RF PORT = -25dBm
LO-TO-RF ISOLATION
POWER INTO LO PORT = -5dBm
f RF f LO f IF
900MHz 970MHz 70MHz
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
15
10
5
0
-5
-10
-15
-20
-25
-30
CONVERSION GAIN
f RF = 900MHz
f RF = 2450MHz
f RF = 1900MHz
f RF = 900MHz
OUTPUT POWER
f RF = 1900MHz
f RF = 2450MHz
f RF f LO f IF
900MHz 970MHz 70MHz
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
4.0
3.5
3.0
2.5
2.0
1.5
T A = +85°C
T A = +25°C
T A = -40°C
10
-35
1.0
500 750 1000 1250 1500 1750 2000 2250 2500
-40 -35
-30
-25 -20 -15
-10
-5
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
IF INPUT POWER (dBm)
MAX2663
CONVERSION GAIN vs. RF FREQUENCY
SUPPLY VOLTAGE (V)
MAX2663
CONVERSION GAIN vs. IF FREQUENCY
10
9
S HDN  = GND
6
4
V CC = +2.7V
4
3
f RF = 900MHz
8
7
2
2
1
6
5
0
-2
0
-1
f RF = 2450MHz
f RF = 1900MHz
4
3
2
1
0
T A = +85°C
T A = +25°C
T A = -40°C
-4
-6
-8
-10
V CC = +5.5V
RF MATCH f RF
400MHz f RF = f LO - f IF
900MHz f RF = f LO - f IF
1900MHz f RF = f LO + f IF
2450MHz f RF = f LO + f IF
f IF
45MHz
70MHz
70MHz
240MHz
-2
-3
-4
-5
-6
f RF f IF
900MHz f IF = f LO - f RF
1900MHz f IF = f RF - f LO
2450MHz f IF = f RF - f LO
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
500
1000
1500
2000
2500
3000
0
100
200
300
400
500
SUPPLY VOLTAGE (V)
RF FREQUENCY (MHz)
IF FREQUENCY (MHz)
6
4
2
0
-2
MAX2663
CONVERSION GAIN vs. LO POWER
f RF = 900MHz
f RF = 1900MHz
f RF = 2450MHz
2
0
-2
-4
-6
-8
MAX2663
LO PORT RETURN LOSS vs. LO FREQUENCY
900
800
700
600
500
400
MAX2663
IF PORT IMPEDANCE vs. IF FREQUENCY
MAX2663toc07
IMAGINARY
0
-100
-200
-300
-400
-500
-4
-6
f RF
900MHz
f LO
970MHz
f IF
70MHz
-10
-12
-14
300
200
-600
-700
-8
1900MHz
2450MHz
1830MHz
2210MHz
70MHz
240MHz
-16
100
REAL
-800
-10
-18
0
-900
-25
-20
-15
-10
-5
0
5
10
250
700
1150
1600
2050
2500
0
100
200
300
400
500
LO POWER (dBm)
LO FREQUENCY (MHz)
IF FREQUENCY (MHz)
8
_______________________________________________________________________________________
相关PDF资料
MAX2676EVKIT+ EVAL KIT MAX2676
MAX2681EVKIT EVAL KIT
MAX2685EVKIT# KIT EVAL FOR MAX2685
MAX2688EVKIT+ EVAL KIT MAX2688
MAX2690EVKIT KIT EVAL FOR MAX2690
MAX2691EVKIT# KIT EVAL FOR MAX2691
MAX2693LEVKIT# EVAL KIT
MAX2694EVKIT# EVAL KIT MAX2694
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