15
17
16
19
18
21
20
22
24
23
25
500 1000 1500 2000 2500
MAX2660
LO-to-RF AND RF-to-LO ISOLATION
vs. LO OR RF FREQUENCY
MAX2660-09
LO OR RF FREQUENCY (MHz)
ISOLATION (dB)
RF-to-LO ISOLATION
POWER INTO RF PORT = -25dBm
LO-to-RF ISOLATION
POWER INTO LO PORT = -5dBm
MAX2660/MAX2661/MAX2663/MAX2671/MAX2673
400MHz to 2.5GHz Upconverter Mixers
6 _______________________________________________________________________________________
3.0
4.0
3.5
5.0
4.5
5.5
6.0
2.50 3.50 4.003.00 4.50 5.00 5.50
MAX2660
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2660-01
V
CC
(V)
I
CC
(mA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°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
MAX2660
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX2660-02
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (µA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
SHDN = GND
-10
-6
-8
0
-2
-4
2
4
8
6
10
0
1000500 1500 2000 2500 3000
MAX2660
CONVERSION GAIN vs. RF FREQUENCY
MAX2660-03
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
5.5V
5.5V
5.5V
5.5V
2.7V
2.7V
2.7V
2.7V
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
__________________________________________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.)
-2
0
-1
2
1
4
3
5
7
6
8
0 100 200 300 400 50050 150 250 350 450
MAX2660
CONVERSION GAIN vs. IF FREQUENCY
MAX2660-04
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
= 1900MHz
f
RF
= 900MHz
f
RF
= 2450MHz
-15
-10
0
-5
5
10
-25 -15-20 -10 -5 0 5 10
MAX2660
CONVERSION GAIN vs. LO POWER
MAX2660-05
LO POWER (dBm)
CONVERSION GAIN (dB)
900MHz
1900MHz
2450MHz
f
RF
970MHz
1830MHz
2210MHz
f
LO
70MHz
70MHz
240MHz
f
IF
f
RF
= 2450MHz
f
RF
= 1900MHz
f
RF
= 900MHz
-20
-16
-18
-12
-14
-8
-10
-6
-2
-4
0
300 1380840 1920 2460 3000
MAX2660
LO PORT RETURN LOSS vs. FREQUENCY
MAX2660-06
LO FREQUENCY (MHz)
RETURN LOSS (dB)
0
100
50
150
350
300
450
400
250
200
500
0 100 200 300 400 500
MAX2660
IF PORT IMPEDANCE vs. IF FREQUENCY
MAX2660-07
IF FREQUENCY (MHz)
REAL IMPEDANCE (Ω)
-500
-200
-100
-300
-400
0
IMAGINARY IMPEDANCE (Ω)
IMAGINARY
REAL
0
200
100
400
300
800
700
600
500
900
0 1000500 1500 2000 2500 3000
MAX2660
RF PORT IMPEDANCE vs. RF FREQUENCY
MAX2660-08
RF FREQUENCY (MHz)
REAL IMPEDANCE (Ω)
-1000
-500
-600
-700
-800
-900
-300
-400
-100
-200
IMAGINARY IMPEDANCE (Ω)
REAL
IMAGINARY
