MAX2371 データシートの表示（PDF） - Maxim Integrated
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MAX2371 Datasheet PDF : 10 Pages
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LNAs with Step Attenuator and VGA
Typical Operating Characteristics
(MAX2371/MAX2373 EV Kits, VCC = 2.775V, RX_EN = high, RSET = 1.1kΩ, LNA_I = high, TA = +25°C. For MAX2371, fRF = 150MHz;
for MAX2373, fRF = 900MHz, unless otherwise noted.)
MAX2371
GAIN vs. FREQUENCY
20
RF_ATTN = LOW
15
10
5 TA = +85°C TA = +25°C TA = -40°C
0
-5
RF_ATTN = HIGH
-10
130 140 150 160 170 180
FREQUENCY (MHz)
P1dB vs. VAGC
10.0
5.0
RF_ATTN = HIGH
0
-5.0 TA = -40°C TA = +25°C TA = +85°C
-10.0
-15.0
RF_ATTN = LOW
-20.0
-25.0
1.2
1.7
2.2
2.7
VAGC (V)
GAIN vs. VAGC
20
RF_ATTN = LOW
10
0
-10
-20
TA = +85°C
-30
TA = +25°C
-40
-50
-60
1.2
TA = -40°C
RF_ATTN = HIGH
1.6
2.0
2.4
2.8
VAGC (V)
NOISE FIGURE vs. VAGC
30
RF_ATTN = HIGH
25
20
15
10
RF_ATTN = LOW
5
0
1.2
1.7
2.2
2.7
VAGC (V)
IIP3 vs. VAGC
25
RF_ATTN = HIGH
20
15
10
TA = +85°C
5
TA = +25°C TA = -40°C
0
-5
-10
RF_ATTN = LOW
-15
1.3 1.4 1.5 1.6 1.7 1.8
VAGC (V)
S11, S22, S12 vs. FREQUENCY
0
S22
-5
-10
-15
-20 S11
-25
-30 RF_ATTN = LOW RF_ATTN = HIGH
-35
-40
-45 S12
-50
130 140 150 160 170 180
FREQUENCY (MHz)
S11, S22, S12 vs. VAGC
0
S11
-10
S22
-20
S11
-30
RF_ATTN = LOW
RF_ATTN = HIGH
-40
-50 S12
-60
1.2
1.7
2.2
2.7
VAGC (V)
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