MAX3507EGI データシートの表示（PDF） - Maxim Integrated
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MAX3507EGI Datasheet PDF : 12 Pages
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Upstream CATV Amplifier with
On-Chip Anti-Alias Filter
Typical Operating Characteristics (continued)
(MAX3507 EV Kit, VCC = +5.0V, VIN = +34dBmV, TXEN = SHDN = VCC, fIN = 20MHz, TA = +25°C, unless otherwise noted.)
GAIN STEP IN LOW-NOISE MODE
vs. GAIN CODE
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
30 40 50 60 70 80 90 100 110 120
GAIN CODE
TRANSMIT NOISE vs. GAIN CODE
0
-10
HIGH POWER MODE
-20
-30
-40
LOW NOISE MODE
-50
-60
30
50
70
90 110 130
GAIN CODE
TRANSMIT ENABLE/DISABLE TRANSIENT
IN LOW-NOISE MODE vs. GAIN CODE
6
5
4
3
ENABLE
2
1
DISABLE
0
30
50
70
90 110 130
GAIN CODE
2ND-ORDER HARMONIC DISTORTION
IN HIGH-POWER MODE vs. FREQUENCY
-40
VOUT = 64dBmV
-45
-50
-55
-60
-65
-70
-75
-80
5 15 25 35 45 55 65
INPUT FREQUENCY (MHz)
21.6dB
PASSBAND FLATNESS vs. RC
VCC = +5.0V
D7 = 1
GC = 119
R = 301Ω
C = 22pF
0.2dB/
div
R = 680Ω
C = 10pF
NO EQUALIZATION
TRANSMIT ENABLE/DISABLE TRANSIENT
IN HIGH-POWER MODE vs. GAIN CODE
50
45
40
35
30
25
ENABLE
20
15
10
5
DISABLE
0
60 70 80 90 100 110 120 130
GAIN CODE
3RD-ORDER HARMONIC DISTORTION
IN HIGH-POWER MODE vs. FREQUENCY
-40
VOUT = 60dBmV
-45
-50
-55
-60
-65
-70
-75
-80
5 15 25 35 45 55 65
INPUT FREQUENCY (MHz)
19.6dB
1MHz
6.9MHz/div
70MHz
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