max9985etxt Maxim Integrated Products, Inc., max9985etxt Datasheet - Page 9

• Manufacturer Part Number: max9985etxt
• Description: Max9985 Dual, Sige, High-linearity, 700mhz To 1000mhz Downconversion Mixer With Lo Buffer/switch
• Manufacturer: Maxim Integrated Products, Inc.

(Using the Typical Application Circuit , V
wise noted.)
Dual, SiGe, High-Linearity, 700MHz to 1000MHz
10
15
20
25
30
30
29
28
27
26
25
24
23
22
21
20
10
20
30
40
50
0
5
0
500
700
500
Downconversion Mixer with LO Buffer/Switch
SEE TABLE 1 FOR R1, R2, AND I
(VARIOUS LO AND IF BUFFER BIAS)
600
INPUT IP3 vs. RF FREQUENCY
LO UNSELECTED RETURN LOSS
600
P
0
LO
RF PORT RETURN LOSS
= -3dBm, 0dBm, +3dBm
700
vs. RF FREQUENCY
700
vs. LO FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
LO FREQUENCY (MHz)
800
6
P
9
LO
800
800
_______________________________________________________________________________________
= -3dBm, 0dBm, +3dBm
5
900
900 1000 1100 1200
8
2
3
900
1000 1100 1200
CC
7
VALUES.
1
4
1000
CC
= 5.0V, P
430
420
410
400
390
380
370
360
10
15
20
25
30
85
80
75
70
65
60
0
5
Typical Operating Characteristics (continued)
-35
700
0
2RF-2LO RESPONSE vs. RF FREQUENCY
LO
SEE TABLE 1 FOR R1, R2, AND I
(VARIOUS LO AND IF BUFFER BIAS)
V
CC
= 0dBm, P
-15
100
= 4.75V, 5.0V, 5.25V
vs. TEMPERATURE (T
IF PORT RETURN LOSS
vs. IF FREQUENCY
V
0
SUPPLY CURRENT
IF FREQUENCY (MHz)
RF FREQUENCY (MHz)
CC
5
TEMPERATURE (°C)
800
5
= 5.25V
200
V
CC
8
RF
25
= 4.75V
= -5dBm, f
300
2
7
900
45
CC
V
P
CC
6
VALUES.
RF
400
C
= 5.0V
)
= -5dBm
65
3
RF
1000
> f
500
85
LO
, f
IF
= 100MHz, T
7.0
6.5
6.0
5.5
90
85
80
75
70
65
60
55
10
20
30
40
50
0
700
700
500
3RF-3LO RESPONSE vs. RF FREQUENCY
CONVERSION GAIN vs. RF FREQUENCY
P
SEE TABLE 1 FOR R1, R2, AND I
SEE TABLE 1 FOR R1, R2, AND I
P
(VARIOUS LO AND IF BUFFER BIAS)
(VARIOUS LO AND IF BUFFER BIAS)
RF
LO
1
= -5dBm
600
= -3dBm
LO SELECTED RETURN LOSS
6
8, 9
5
700
vs. LO FREQUENCY
C
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
LO FREQUENCY (MHz)
6
0
800
800
= +25°C, unless other-
P
LO
5
0
2
800
= +3dBm
P
LO
= 0dBm
4
4
3
900 1000 1100 1200
900
900
9
2
CC
CC
7
VALUES.
VALUES.
3
8
1
7
1000
1000
9