Datasheet

MAX2660/MAX2661/MAX2663/MAX2671/MAX2673
400MHz to 2.5GHz Upconverter Mixers
_______________________________________________________________________________________ 7
-50
-20
-30
-40
-10
0
10
-50 -30-40 -20 -10 0
MAX2660
CONVERSION GAIN AND OUTPUT
POWER vs. IF INPUT POWER
MAX2660-10
IF INPUT POWER (dBm)
OUTPUT POWER (dBm) AND CONVERSION GAIN (dB)
900MHz
1900MHz
2450MHz
f
RF
970MHz
1830MHz
2210MHz
f
LO
70MHz
70MHz
240MHz
f
IF
f
RF
= 900MHz
f
RF
= 1900MHz
f
RF
= 2450MHz
f
RF
= 900MHz
f
RF
= 1900MHz
f
RF
= 2450MHz
CONVERSION GAIN
OUTPUT POWER
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
2.5 3.53.0 4.0 4.5 5.0 5.5
MAX2661
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2661toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0
3
2
1
4
5
6
7
8
9
10
2.5 3.53.0 4.0 4.5 5.0 5.5
MAX2661
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX2661toc02
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (µA)
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
SHDN = GND
-4
0
-2
4
2
6
10
8
12
0
1000500 1500 2000 2500 3000
MAX2661
CONVERSION GAIN vs. RF FREQUENCY
MAX2661toc03
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
V
CC
= 2.7V
V
CC
= 5.5V
400MHz
900MHz
1900MHz
2450MHz
RF MATCH
45MHz
70MHz
70MHz
240MHz
f
IF
f
RF
= f
LO
- f
IF
f
RF
= f
LO
- f
IF
f
RF
= f
LO
+ f
IF
f
RF
= f
LO
+ f
IF
f
RF
V
CC
= 2.7V
-18
-14
-16
-10
-12
-6
-8
-4
0
-2
2
250 800 1350 1900 2450 3000
MAX2661
LO PORT RETURN LOSS vs. FREQUENCY
MAX2661toc06
LO FREQUENCY (MHz)
RETURN LOSS (dB)
0
6
4
2
8
10
12
0 20015050 100 250 300 350 400 450 500
MAX2661
CONVERSION GAIN vs. IF FREQUENCY
MAX2661toc04
IF FREQUENCY (MHz)
CONVERSION GAIN (dB)
900MHz
1900MHz
2450MHz
f
RF
f
IF
= f
LO
- f
RF
f
IF
= f
RF
- f
LO
f
IF
= f
RF
- f
LO
f
IF
f
RF
= 2450MHz
f
RF
= 1900MHz
f
RF
= 900MHz
-10
-5
5
0
10
15
-25 -15-20 -10 -5 0 5 10
MAX2661
CONVERSION GAIN vs. LO POWER
MAX2661toc05
LO POWER (dBm)
CONVERSION GAIN (dB)
f
RF
= 2450MHz
f
RF
= 900MHz
f
RF
= 1900MHz
900MHz
1900MHz
2450MHz
970MHz
1830MHz
2210MHz
70MHz
70MHz
240MHz
f
RF
f
LO
f
IF
0
200
100
300
600
700
500
400
800
-400
-300
-350
-250
-100
-50
-150
-200
0
0 100 150 200 25050 300 350 400 450 500
MAX2661
IF PORT IMPEDANCE vs. IF FREQUENCY
MAX2661toc07
IF FREQUENCY (MHz)
REAL IMPEDANCE (Ω)
IMAGINARY
REAL
0
200
100
500
400
300
600
700
800
900
0 500 1000 1500 2000 2500 3000
MAX2661
RF PORT IMPEDANCE vs. RF FREQUENCY
MAX2661toc08
RF FREQUENCY (MHz)
REAL IMPEDANCE (Ω)
-1000
-800
-900
-500
-600
-700
-400
-300
-200
-100
IMAGINARY IMPEDANCE (Ω)
IMAGINARY
REAL
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.)