MAX12000 View Datasheet(PDF) - Maxim Integrated
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Description
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MAX12000 Datasheet PDF : 9 Pages
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MAX12000
1575MHz GPS Front-End Amplifier
Typical Operating Characteristics (continued)
(PIN = -40dBm, fIN = 1575MHz, inputs and outputs are terminated to 50Ω, VCC = +5.0V, TA = +25°C, unless otherwise noted.)
AMP 1 GAIN vs. FREQUENCY
(WITH EXTERNAL INPUT IMPEDANCE MATCH)
20
19
18
17
16
15
14
13
12
800
1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
AMP 2 OUTPUT P1dB vs. TEMPERATURE
(PIN 7 OPEN)
5.8
5.6
5.4
5.2
5.0
4.8
-40 -20
0 20 40 60 80 100
TEMPERATURE (°C)
AMP 2 GAIN vs. FREQUENCY
18
16
14 HIGH-GAIN MODE
12
10
8
6
LOW-GAIN MODE
4
2
0
800 1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
AMP 1 INPUT P1dB vs. TEMPERATURE
(WITHOUT EXTERNAL INPUT IMPEDANCE MATCH)
-16
-17
-18
-19
-20
-21
-22
-40 -20
0 20 40 60 80 100
TEMPERATURE (°C)
AMP 1 S11
(WITHOUT EXTERNAL INPUT IMPEDANCE MATCH)
-2.0
-2.5
-3.0
-3.5
-4.0
-4.5
-5.0
800 1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
AMP 1 S22
-4
-6
-8
-10
-12
-14
-16
800 1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
AMP 2 S11
0
-5
-10
-15
-20
-25
800 1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
800
AMP 2 S22
1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
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