Rainbow Electronics MAX2389 - Manual (Page 5)

MAX2387/MAX2388/MAX2389
W-CDMA LNA/Mixer ICs
_______________________________________________________________________________________ 5
2
6
4
10
8
14
12
16
-40 10 -15 35 60 85
MAX2387
SUPPLY CURRENT vs. TEMPERATURE
MAX2387/88/89 toc01
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
V CC = +2.7V
HIGH-GAIN
V CC = +3.3V
LOW-GAIN
V CC = +4.3V
HIGH-GAIN
V CC = +4.3V
LOW-GAIN
V CC = +2.7V
LOW-GAIN
V CC = +3.3V
HIGH-GAIN
-20
-15
-10
-5
0
5
10
15
20
-40 -15 10 35 60 85
MAX2387/88/89 toc02
TEMPERATURE ( °C)
GAIN (dB)
MAX2387
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 toc03
TEMPERATURE ( °C)
IIP3 (dBm)
MAX2387
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 toc04
LO INPUT LEVEL (dBm)
CONVERSION GAIN (dB)
HIGH-GAIN MODE LOW-GAIN MODE
MAX2387
MIXER CONVERSION GAIN
vs. LO INPUT POWER
-10
-5
0
5
10
15
20
25
30
-40 -15 10 35 60 85
MAX2387
MIXER IIP2 AND IIP3 vs. TEMPERATURE
MAX2387/88/89 toc05
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 toc06
TEMPERATURE ( °C)
-1dB COMPRESSION POINT (dBm)
MAX2387
MIXER INPUT -1dB COMPRESSION POINT
vs. TEMPERATURE
0
5
10
15
20
25
30
35
40
2300 2320 2310 2330 2340 2350 2360
MAX2387
MIXER LO-IF AND LO-RF ISOLATION
vs. LO FREQUENCY
MAX2387/88/89 toc07
FREQUENCY (MHz)
ISOLATION (dB)
V CC = +2.7V
LO = -10dBm
LO-IF: HIGH-GAIN
MODE
LO-IF: LOW-GAIN
MODE
LO-RF: LOW-GAIN
MODE LO-RF: HIGH-GAIN
MODE
0
5
15
10
20
25
2110 2130 2120 2140 2150 2160 2170
MAX2387
LNA NOISE FIGURE vs. FREQUENCY
MAX2387/88/89 toc08
FREQUENCY (MHz)
NOISE FIGURE (dB)
HIGH-GAIN MODE
LOW-GAIN MODE
8
7
6
5
4
-13 -10 -12 -11 -9 -8 -7
MAX2387/88/89 toc09
LO POWER (dB)
NOISE FIGURE (dB)
MAX2387
MIXER NOISE FIGURE vs. LO POWER
HIGH-GAIN MODE
LOW-GAIN MODE
Typical Operating Characteristics
(T A = +25 °C, V
CC = +2.7V, unless otherwise noted.)