Rainbow-electronics MAX2327 Manual do Utilizador Página 8

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MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX232_ EV kit, V
CC
= +2.75V, f
LNAINH
= f
MIXINH
= 1960MHz, f
LNAINL
= f
MIXINL
= 881MHz, f
LOHIN
= 1750MHz, f
LOLIN
= 1091MHz
(digital modes), f
LOLIN
= 991MHz (FM mode), LO input power = -7dBm, 50 system, all measurements include matching component
losses but not connector and trace losses, T
A
= +25°C, unless otherwise noted.)
10
12
11
14
13
16
15
17
48106 121416
CELLULAR-BAND HGHL LNA GAIN
vs. CURRENT
LNA CURRENT (mA)
GAIN (dB)
MAX2320toc11
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
-2
2
0
8
6
4
14
12
10
16
870 890850 910
CELLULAR-BAND LNA GAIN
vs. FREQUENCY
MAX2320toc14
FREQUENCY (MHz)
GAIN (dB)
LGHL
HGHL
HGHL, FM
10
12
11
14
13
16
15
17
4914
PCS-BAND HGHL LNA GAIN
vs. CURRENT
MAX2320toc12
LNA CURRENT (mA)
GAIN (dB)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
10
12
11
14
13
15
16
5 101520
PCS-BAND HGHL LNA GAIN
vs. CURRENT
MAX2320 toc13
LNA CURRENT (mA)
GAIN (dB)
V
CC
= +2.7V TO +3.6V
0
40
30
20
10
70
60
50
90
80
100
0.7
0.6
0.5
0.9
0.8
1.0
0 150 20050 100 250 300 350 400 450
FM MIXER IF
PORT IMPEDANCE
MAX2320 toc10
FREQUENCY (MHz)
PARALLEL RESISTANCE (k)
PARALLEL CAPACITANCE (pF)
CAPACITANCE
RESISTANCE
-3
1
-1
9
7
5
3
13
11
15
1900 1950 2000
PCS-BAND LNA GAIN vs. FREQUENCY
FREQUENCY (MHz)
GAIN (dB)
MAX2320toc15
HGLL, FM
LGHL
HGHL
10
18
700 800 1000
CELLULAR-BAND HGHL LNA
MAXIMUM AVAILABLE GAIN
MAX2320 TOC16
FREQUENCY (MHz)
MAXIMUM AVAILABLE GAIN (dB)
11
12
13
14
15
16
17
900750 850 950
12
18
1700 1900 2500
PCS-BAND HGHL LNA
MAXIMUM AVAILABLE GAIN
MAX2320 TOC17
FREQUENCY (MHz)
MAXIMUM AVAILABLE GAIN (dB)
13
14
15
16
17
2100 23001800 24002000 2200
0
3
2
1
4
5
6
7
8
9
10
05 1510 20
CELLULAR-BAND HGHL LNA IIP3
vs. CURRENT
LNA CURRENT (mA)
IIP3 (dBm)
MAX2320toc18
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
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