Complete Dual-Band
Quadrature Transmitters
_______________________________________________________________________________________ 7
-50
-35
-40
-45
-30
-25
-20
-15
-10
-5
0
1.8
2.0
1.9
2.1 2.2 2.3 2.4
IF OUTPUT POWER vs. V
GC
V
GC
(V)
T
A
= -40癈, +25癈, +85癈
IFG = 100, INCLUDE IF BALUN LOSS
-50
-35
-40
-45
-25
-30
-5
-10
-15
-20
0
0
1
2
3
4
5
6
7
IF POWER vs. IFG SETTING
IFG CONTROL CODE (DEC.)
V
GC
= +2.4V
V
GC
= +2.3V
V
GC
= +2.0V
INCLUDE IF BALUN LOSS
-80
-70
-75
-60
-65
-50
-55
-45
20
28
24
32
36
40
CASCADED ACPR AND ALTR vs. I
CCPA
(RFL)
I
CCPA
(mA)
ADJACENT
ALTERNATE
MEASURED AT RFL, IFG = 101,
MPL = 1, f
RFL
= 836MHz,
P
RFL
= +8dBm
-80
-75
-70
-65
-60
-55
-50
-45
-40
22
26
30
34
38
42
CASCADED ACPR AND ALTR vs. I
CCPA
(RFH0)
I
CCPA
(mA)
ADJACENT
ALTERNATE
MEASURED AT RFHO, IFG = 101,
MPL = 1, f
RFH0
= 1880MHz,
P
RFH0
= +8dBm
-3.0
-2.0
-2.5
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
IF GAIN FLATNESS vs. FREQUENCY
IF FREQUENCY (MHz)
100
200 250
150
300 350 400
MEASURED AT RF OUTPUTS, f
RFL
= 836MHz,
f
RFH1
= 1880MHz, P
IFIN_
= -10dBm
DIFFERENTIAL, V
GC
= +2.4V, INCLUDE
IF BALUN LOSS
IFINH
IFINL
-50
-35
-40
-45
-30
-25
-20
-15
-10
-5
0
1.8
2.0
1.9
2.1 2.2 2.3 2.4
IF OUTPUT POWER vs. V
GCo
V
GC
(V)
V
CC
= +2.7V, +2.85V, +3.3V
IFG = 100, INCLUDE IF BALUN LOSS
Typical Operating Characteristics (continued)
(MAX2361 EV kit, V
CC
= V
BAT
= +2.8V, T
A
= +25癈, unless otherwise noted.)