Typical operating characteristics (continued) – Rainbow Electronics MAX2389 User Manual
Page 7
MAX2387/MAX2388/MAX2389
W-CDMA LNA/Mixer ICs
_______________________________________________________________________________________
7
-40
10
-15
35
60
85
MAX2389
SUPPLY CURRENT vs. TEMPERATURE
MAX2387/88/89 toc19
TEMPERATURE (
°C)
SUPPLY CURRENT (mA)
0
4
2
8
6
10
12
V
CC
= +2.7V
HIGH-GAIN
V
CC
= +4.3V
HIGH-GAIN
V
CC
= +3.3V
LOW-GAIN
V
CC
= +2.7V
LOW-GAIN
V
CC
= +4.3V
LOW-GAIN
V
CC
= +3.3V
HIGH-GAIN
-5
0
10
5
15
20
-40
10
-15
35
60
85
MAX2387/88/89 toc20
TEMPERATURE (
°C)
GAIN (dB)
MAX2389
LNA GAIN vs. TEMPERATURE
HIGH-GAIN MODE
LOW-GAIN MODE
-10
-4
-6
-8
-2
0
2
4
6
8
10
-40
10
-15
35
60
85
MAX2387/88/89 toc21
TEMPERATURE (
°C)
IIP3 (dBm)
MAX2389
LNA IIP3 vs. TEMPERATURE
HIGH-GAIN MODE
LOW-GAIN MODE
0
4
2
8
6
10
12
-13
-11
-10
-12
-9
-8
-7
MAX2387/88/89 toc22
LO INPUT LEVEL (dBm)
CONVERSION GAIN (dB)
HIGH-GAIN MODE
LOW-GAIN MODE
MAX2389
MIXER CONVERSION GAIN
vs. LO INPUT POWER
-10
-5
0
5
10
15
20
25
30
-40
-15
10
35
60
85
MAX2389
MIXER IIP2 AND IIP3 vs. TEMPERATURE
MAX2387/88/89 toc23
TEMPERATURE (
°C)
IIP (dBm)
IIP2: HIGH-GAIN
MODE,
DIFFERENTIAL LO
IIP2: HIGH-GAIN
MODE,
SINGLE-ENDED LO
IIP3: HIGH-GAIN
MODE
IIP3: LOW-GAIN
MODE
-16
-14
-10
-12
-8
-6
-40
10
-15
35
60
85
MAX2387/88/89 toc24
TEMPERATURE (
°C)
-1dB COMPRESSION POINT (dBm)
MAX2389
MIXER INPUT -1dB COMPRESSION POINT
vs. TEMPERATURE
10
15
20
25
30
35
40
45
50
2300
2320
2310
2330
2340
2350
2360
MAX2389
MIXER LO-IF AND LO-RF ISOLATION
vs. LO FREQUENCY
MAX2387/88/89 toc25
FREQUENCY (MHz)
ISOLATION (dB)
LO-RF: LOW-GAIN
MODE
LO-RF: HIGH-GAIN
MODE
LO-IF: LOW-GAIN
MODE
LO-IF: HIGH-GAIN
MODE
V
CC
= +2.7V
LO = -4dBm
0
2
6
4
8
10
2110
2130
2120
2140
2150
2160
2170
MAX2389
LNA NOISE FIGURE vs. FREQUENCY
MAX2387/88/89 toc26
FREQUENCY (MHz)
NOISE FIGURE (dB)
HIGH-GAIN MODE
LOW-GAIN MODE
4
5
7
6
8
9
-7
-5
-6
-4
-3
-2
-1
MAX2389
MIXER NOISE FIGURE vs. LO POWER
MAX2387/88/89 toc27
LO POWER (dB)
NOISE FIGURE (dB)
HIGH-GAIN MODE
LOW-GAIN MODE
Typical Operating Characteristics (continued)
(T
A
= +25
°C, V
CC
= +2.7V, unless otherwise noted.)