400MHz to 2.5GHz Upconverter Mixers
__________________________________________Typical Operating Characteristics
(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.)
6.0
MAX2660
SUPPLY CURRENT vs. SUPPLY VOLTAGE
10
MAX2660
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10
MAX2660
CONVERSION GAIN vs. RF FREQUENCY
5.5
T A = +85°C
9
8
SHDN = GND
8
6
2.7V
2.7V
2.7V
2.7V
5.0
4.5
4.0
3.5
3.0
2.50
3.00
T A = +25°C
T A = -40°C
3.50 4.00
V CC (V)
4.50
5.00
5.50
7
6
5
4
3
2
1
0
2.5
3.0
T A = +85 ° C
T A = +25 ° C
T A = -40 ° C
3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
5.5
4
2
0
-2
-4
-6
-8
-10
0
5.5V
500
5.5V        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
1000 1500 2000
RF FREQUENCY (MHz)
5.5V
f IF
45MHz
70MHz
70MHz
240MHz
2500 3000
MAX2660
CONVERSION GAIN vs. IF FREQUENCY
MAX2660
CONVERSION GAIN vs. LO POWER
MAX2660
LO PORT RETURN LOSS vs. FREQUENCY
8
7
6
f RF = 900MHz
10
5
f RF = 1900MHz
f RF = 900MHz
0
-2
-4
5
-6
4
f RF = 1900MHz
0
f RF = 2450MHz
-8
3
2
f RF = 2450MHz
-5
-10
-12
1
0
-1
-2
0
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
50 100 150 200 250 300 350 400 450 500
-10
-15
-25
-20
-15
f RF f LO f IF
900MHz 970MHz 70MHz
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
-10 -5 0 5
10
-14
-16
-18
-20
300
840
1380
1920
2460
3000
IF FREQUENCY (MHz)
LO POWER (dBm)
LO FREQUENCY (MHz)
500
450
MAX2660
IF PORT IMPEDANCE vs. IF FREQUENCY
MAX2660-07
IMAGINARY
0
MAX2660
RF PORT IMPEDANCE vs. RF FREQUENCY
MAX2660-08
900 -100
800
-200
25
24
MAX2660
LO-to-RF AND RF-to-LO ISOLATION
vs. LO OR RF FREQUENCY
400
-100
700
IMAGINARY
-300
23
350
300
250
200
150
100
-200
-300
-400
600
500
400
300
200
-400
-500
-600
-700
-800
22
21
20
19
18
17
RF-to-LO ISOLATION
POWER INTO RF PORT = -25dBm
50
0
0
100
REAL
200 300
IF FREQUENCY (MHz)
400
-500
500
100
0
0
500
REAL
1000 1500 2000
RF FREQUENCY (MHz)
2500
-900
-1000
3000
16
15
500
LO-to-RF ISOLATION
POWER INTO LO PORT = -5dBm
1000 1500 2000
LO OR RF FREQUENCY (MHz)
2500
6
_______________________________________________________________________________________
相关PDF资料
MAX2676EVKIT+ EVAL KIT MAX2676
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