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.)
MAX2673
LO PORT RETURN LOSS vs. LO FREQUENCY
MAX2673
IF PORT IMPEDANCE vs. IF FREQUENCY
0
700
MAX2673toc07
50
-2
-4
-6
-8
600
500
400
REAL
0
-50
-100
-10
-12
-14
-16
300
200
-150
-200
-18
-20
100
0
IMAGINARY
-250
-300
250
800
1350
1900
2450
3000
0
50 100 150 200 250 300 350 400 450 500
LO FREQUENCY (MHz)
IF FREQUENCY (MHz)
350
MAX2673
RF PORT IMPEDANCE vs. RF FREQUENCY
MAX2673toc08
0
MAX2673
LO-to-RF ISOLATION AND RF-to-LO ISOLATION
vs. LO OR RF FREQUENCY
45
300
250
200
150
100
50
IMAGINARY
REAL
-100
-200
-300
-400
-500
-600
40
35
30
25
20
15
10
5
LO- TO-RF ISOLATION
POWER INTO LO PORT = -10dBm
RF-TO-LO ISOLATION
POWER INTO RF PORT = -25dBm
0
0
500
1000
1500
2000
2500
-700
3000
0
500
900
1300
1700
2100
2500
RF FREQUENCY (MHz)
MAX2673
CONVERSION GAIN AND OUTPUT
POWER vs. IF INPUT POWER
LO OR RF FREQUENCY (MHz)
20
10
0
f RF = 900MHz
f RF = 1900MHz
CONVERSION GAIN
f RF = 2450MHz
-10
f RF = 900MHz
-20
f RF = 1900MHz
OUTPUT POWER
f RF = 2450MHz
-30
f RF
f LO
f IF
-40
900MHz 970MHz 70MHz
1900MHz 1830MHz 70MHz
2450MHz 2210MHz 240MHz
-50
-40 -45 -40 -35 -30 -25 -20 -15 -10 -5
IF INPUT POWER (dBm)
0
______________________________________________________________________________________
11
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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