SA5209D 查看數據表（PDF） - NXP Semiconductors.
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SA5209D Datasheet PDF : 17 Pages
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Philips Semiconductors
Wideband variable gain amplifier
Product specification
SA5209
16
14
12
0Ω Termination
on INB
10
8
50Ω Termination
on INB
6
T = 25°C
4
VAGC = 1.1V
RS = RL = 50Ω
Rt = ∞ on INA
2
See test-setup 1
0
10
100
Frequency (MHz)
1000
Figure 31. Noise Figure vs Frequency
SR00267
1.4
VCC = 7.0V
1.35
VCC = 6.0V
VCC = 5.0V
1.3
VCC = 4.5V
1.25
1.2
1.15
1.1
Bandgap Load = 2kΩ
1.05
1
–100
–50
0
50
100
150
Temperature (°C)
SR00269
Figure 32. Bandgap Voltage vs Temperature and VCC
12
10
8
6
4
RS = RL = 50Ω
Rt = 50Ω
R1 = R2 = 10k
2
f = 100MHz
See Figure 10
0
–60
–10
40
90
Temperature (°C)
Figure 33. Fixed Gain vs Temperature
140
SR00268
+VCC GND
INA
OUTA
INB
NE5209 OUTB
TOP VIEW - COMPONENT SIDE
1997 Nov 07
TOP VIEW - SOLDER SIDE
SR00270
Figure 34. VGA AC Evaluation Board Layout
13
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