MAX2701 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2701 Datasheet PDF : 28 Pages
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1.8GHz to 2.5GHz Direct Downconversion
Receivers
Typical Operating Characteristics (continued)
(MAX2700/MAX2701 EV kit (Figure 3), VCC = +3.0V, TA = +25°C, SHDN = GAIN_SET = VCC, X2_EN = GND, CEXT+ connected to
CEXT-, PLO = -13dBm, FLO = 980MHz (MAX2700) and 1200MHz (MAX2701), PLNAIN = -30dBm, PRFIN = -25dBm, LNAIN and RFIN
(single-ended input to balun) driven from 50Ω source, LNAOUT terminated into load; MIX_I, MIX_Q AC-coupled to 2kΩ load; IIN1+,
QIN1+, IIN2+, QIN2+ driven from 1.1kΩ AC-coupled source; IOUT1, QOUT1 AC-coupled to 2kΩ; IOUT2, QOUT2 AC-coupled to
100Ω; input to VGAs, 20mVp-p at 1MHz tone, set VAGC = 1.25V, unless otherwise noted.)
LNA NOISE FIGURE vs. FREQUENCY
vs. TEMPERATURE
18
17
TA = +85°C
16
TA = +25°C
15
TA = -45°C
14
LOW-GAIN MODE
13
1700
1800
1900
2000
FREQUENCY (MHz)
MIXER VOLTAGE GAIN vs. FREQUENCY
vs. TEMPERATURE
24
TA = -45°C
22
TA = +25°C
20
18
TA = +85°C
16
14
12
DOUBLER ENABLED
10
1.7
1.8
1.9
2.0
2.1
FREQUENCY (GHz)
MAX2700
LNA IIP3 vs. TEMPERATURE
6
5
LOW-GAIN MODE
4
3
HIGH-GAIN MODE
2
1
0
-45 -25 -5 15 35 55 75
TEMPERATURE (°C)
MIXER VOLTAGE GAIN vs. FREQUENCY
vs. TEMPERATURE
24
TA = -45°C TA = +25°C
22
20
18
TA = +85°C
16
14
12
DOUBLER DISABLED
10
1.7
1.8
1.9
2.0
2.1
FREQUENCY (GHz)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
2.50
LNA IIP3 vs. VCC
LOW-GAIN MODE
HIGH-GAIN MODE
2.75
3.00
3.25
3.50
VCC (V)
MIXER VOLTAGE GAIN vs. FREQUENCY
vs. LO POWER
24
22
LO = -16dBm TO -10dBm
20
18
16
14
12
DOUBLER DISABLED
10
1.7
1.8
1.9
2.0
2.1
FREQUENCY (GHz)
_______________________________________________________________________________________ 9
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