Manual

MAX2338
Triple/Dual-Mode CDMA LNA/Mixers
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
840 860850 870 880 890 900
MAX2338 toc10
FREQUENCY (MHz)
NOISE FIGURE (dB)
CELLULAR-BAND HGHL LNA NOISE
FIGURE vs. FREQUENCY
16mA
11mA
6mA
10
12
11
14
13
15
16
-20 -10-15 -5 0 5
PCS-BAND MIXER CONVERSION GAIN
vs. LO INPUT LEVEL
MAX2338 toc14
LO INPUT LEVEL (dBm)
GAIN (dB)
HIGH SIDE LO HGHL
LOW SIDE LO HGHL
8
9
10
11
12
13
14
-20 -16-18 -14 -12 -10 -8 -6
CELLULAR-BAND MIXER CONVERSION
GAIN vs. RF INPUT LEVEL
MAX2338 toc15
RF INPUT LEVEL (dBm)
GAIN (dB)
-6
-4
0
-2
4
6
2
8
481061214
CELLULAR-BAND HGHL MIXER IIP3
vs. CURRENT
MAX2338 toc17
MIXER CURRENT (mA)
IIP3 (dB)
T
A
= +85 ° C
T
A
= +25 ° C
T
A
= -40 ° C
4681012
PCS-BAND HGHL MIXER IIP3
vs. CURRENT
MAX2338 toc18
MIXER CURRENT (mA)
-6
-4
-2
0
2
4
IIP3 (dB)
6
8
HIGH SIDE LO, T
A
= +25°C
HIGH SIDE LO, T
A
= +85°C
HIGH SIDE LO, T
A
= -40°C
14
13
12
11
10
-20 -10-15 -5 0 5
CELLULAR-BAND MIXER CONVERSION
GAIN vs. LO INPUT LEVEL
MAX2338 toc13
LO INPUT LEVEL (dBm)
GAIN (dB)
HGHL
HGLL
MAX2338 toc16
8
10
14
12
16
18
-20 -16 -14-18 -12 -10 -8 -6
PCS-BAND MIXER CONVERSION GAIN
vs. RF INPUT LEVEL
RF INPUT LEVEL (dBm)
GAIN (dB)
HIGH SIDE LO HGHL
LOW SIDE LO HGHL
6
10
8
14
12
16
18
4101268 14
CELLULAR-BAND HGHL MIXER
CONVERSION GAIN vs. CURRENT
MAX2338 toc11
MIXER CURRENT (mA)
CONVERSION GAIN (dB)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
6
9
8
7
10
11
12
13
14
15
16
PCS-BAND MIXER
CONVERSION GAIN vs. CURRENT
MAX2338 toc12
4101268 14
MIXER CURRENT (µA)
CONVERSION GAIN (dB)
T
A
= -40°C, HIGH SIDE LO
T
A
= +25°C, HIGH SIDE LO
T
A
= -40°C, LOW SIDE LO
T
A
= +85°C, LOW SIDE LO
T
A
= +85°C, HIGH SIDE LO
T
A
= +25°C, LOW SIDE LO