Manual

MAX9995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
_______________________________________________________________________________________ 5
72
74
76
78
80
82
84
86
88
90
70
3RF - 3LO vs. FUNDAMENTAL FREQUENCY
MAX9995 toc10
3RF - 3LO (dBc)
FREQUENCY (MHz)
21002000190018001700 2200
T
C
= -20
°
C
T
C
= +25
°
C
T
C
= +85
°
C
P
RF
= -5dBm
74
76
78
80
84
82
86
88
72
3RF - 3LO vs. FUNDAMENTAL FREQUENCY
MAX9995 toc11
3RF - 3LO (dBc)
FREQUENCY (MHz)
21002000190018001700 2200
P
LO
= -3dBm
P
LO
= 0dBm
P
LO
= +3dBm
P
RF
= -5dBm
74
76
78
80
84
82
86
88
72
3RF - 3LO vs. FUNDAMENTAL FREQUENCY
MAX9995 toc12
3RF - 3LO (dBc)
FREQUENCY (MHz)
21002000190018001700 2200
V
CC
= 5.0V
V
CC
= 5.25V
V
CC
= 4.75V
P
RF
= -5dBm
INPUT P
1dB
vs. RF FREQUENCY
P
1dB
(dBm)
12.8
13.2
13.6
14.0
14.4
12.4
MAX9995 toc13
FREQUENCY (MHz)
21002000190018001700 2200
T
C
= +25
°
C
T
C
= +85
°
C
T
C
= -20
°
C
LO SWITCH ISOLATION vs. LO FREQUENCY
MAX9995 toc16
FREQUENCY (MHz)
ISOLATION (dB)
19001800170016001500
46
47
48
49
50
51
52
53
54
55
45
1400 2000
T
C
= -20
°
C
T
C
= +25
°
C
T
C
= +85°C
13.0
13.1
13.2
13.3
13.4
13.5
13.6
13.7
13.8
12.9
INPUT P
1dB
vs. RF FREQUENCY
P
1dB
(dBm)
MAX9995 toc14
FREQUENCY (MHz)
21002000190018001700 2200
P
LO
= 0dBm
P
LO
= -3dBm
P
LO
= +3dBm
12.6
12.8
13.0
13.2
13.4
13.6
13.8
14.0
14.2
14.4
12.4
INPUT P
1dB
vs. RF FREQUENCY
P
1dB
(dBm)
MAX9995 toc15
FREQUENCY (MHz)
21002000190018001700 2200
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.0V
48
49
50
51
52
53
54
47
LO SWITCH ISOLATION vs. LO FREQUENCY
MAX9995 toc17
FREQUENCY (MHz)
ISOLATION (dB)
190018001700160015001400 2000
P
LO
= -3dBm
P
LO
= 0dBm
P
LO
= +3dBm
48
49
50
51
52
53
54
47
LO SWITCH ISOLATION vs. LO FREQUENCY
MAX9995 toc18
FREQUENCY (MHz)
ISOLATION (dB)
190018001700160015001400 2000
V
CC
= 4.75V TO 5.25V
Typical Operating Characteristics (continued)
(Typical Application Circuit, V
CC
= 5.0V, P
RF
= -5dBm, P
LO
= 0dBm, LO is low-side injected for a 200MHz IF, T
C
= +25°C.)