MAX2235 查看數據表（PDF） - Maxim Integrated
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MAX2235 Datasheet PDF : 8 Pages
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+3.6V, 1W Autoramping Power
Amplifier for 900MHz Applications
Typical Operating Characteristics
(MAX2235 Evaluation Kit, GC = unconnected, fRFIN = 836MHz, VCC = VSHDN = +3.6V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. OUTPUT POWER
700
TA = -40°C
600
TA = +25°C
500
TA = +85°C
400
300
200
100
0
0 5 10 15 20 25 30 35
OUTPUT POWER (dBm)
OUTPUT POWER vs. INPUT POWER
AND TEMPERATURE
35
TA = -40°C
30
TA = +25°C
25
20
TA = +85°C
15
10
5
0
-25 -20 -15 -10 -5 0
INPUT POWER (dBm)
5 10
EFFICIENCY vs. OUTPUT POWER
60
VCC = +3.6V
50
VCC = +2.7V
40
VCC = +3.0V
30
20
10
VCC = +5.0V
0
0 5 10 15 20 25 30 35
OUTPUT POWER (dBm)
OUTPUT POWER
vs. VOLTAGE AT GC PIN
40
PRFIN = 0dBm
TA = -40°C
30
TA = +25°C
20
TA = +85°C
10
0
-10
-20
0
0.5
1.0
1.5
2.0
2.5
VGC (V)
SECOND AND THIRD HARMONICS
vs. INPUT POWER
0
-10
2nd
-20
3rd
-30
-40
-50
-60
-25 -20 -15 -10 -5 0
INPUT POWER (dBm)
5 10
POWER GAIN vs. OUTPUT POWER
40
VCC = +5.0V
35
30
25
VCC = +3.6V
20
VCC = +3.0V
VCC = +2.7V
15
10
5
0
0 5 10 15 20 25 30 35
OUTPUT POWER (dBm)
OUTPUT POWER vs. INPUT POWER
35
VCC = +5.0V
30
VCC = +3.6V
VCC = +3.0V
25
20
VCC = +2.7V
15
10
5
0
-25 -20 -15 -10 -5 0
INPUT POWER (dBm)
5 10
OUTPUT POWER vs. FREQUENCY
35
MATCHED AT
30
PRFIN = +3dBm
836MHz
25
PRFIN = -5dBm
20
PRFIN = -13dBm
15
10
5
PRFIN = -21dBm
0
820 825 830 835 840 845 850 855
INPUT FREQUENCY (MHz)
POWER GAIN vs. OUTPUT POWER
AND TEMPERATURE
40
35
TA = -40°C
30
25
TA = +25°C
20
TA = +85°C
15
10
5
0
0 5 10 15 20 25 30 35
OUTPUT POWER (dBm)
4 _______________________________________________________________________________________
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