Low-Cost, 900MHz, Low-Noise Amplifier
and Downconverter Mixer
Typical Operating Characteristics (continued)
(MAX2685 EV kit, V CC = V SHDN = +3V, f LNAIN = f MIXIN = 880MHz, f LO = 960MHz, P LNAIN = -30dBm, P LO = -8dBm, P MIXIN = -25dBm,
differential IFOUT operation, Z o = 50 ? , T A = +25°C, unless otherwise noted.)
8
MIXER GAIN vs. IF FREQUENCY
7
MIXER GAIN vs. LO POWER
6
4
2
0
GAIN = HIGH
6
5
4
GAIN = HIGH
GAIN = LOW
-2
-4
-6
GAIN = LOW
3
2
-8
-10
-12
BANDWIDTH DETERMINED BY
DIFFERENTIAL-TO-SINGLE-ENDED
CONVERTER CIRCUIT
1
0
60
70
80
90
100
-15
-10
-5
0
15.0
14.5
14.0
13.5
IF FREQUENCY (MHz)
MIXER NOISE FIGURE vs. LO POWER
-5
-6
-7
-8
LO POWER (dBm)
LO PORT RETURN LOSS vs. FREQUENCY
13.0
12.5
12.0
11.5
11.0
10.5
10.0
GAIN = LOW
GAIN = HIGH
-9
-10
-11
-12
-13
-14
-15
-15
-10
-5
0
750
800
850
900
950
1000 1050 1100
LO POWER (dBm)
FREQUENCY (MHz)
_______________________________________________________________________________________
5
相关PDF资料
MAX2688EVKIT+ EVAL KIT MAX2688
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MAX2691EVKIT# KIT EVAL FOR MAX2691
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相关代理商/技术参数
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MAX2686LEWS+ 制造商:Maxim Integrated Products 功能描述:GPS/GNSS LOW-NOISE AMPLIFIERS - Rail/Tube