NE5209N Philips, NE5209N Datasheet - Page 13

• Manufacturer Part Number: NE5209N
• Description: Wideband variable gain amplifier
• Manufacturer: Philips

Philips Semiconductors
1990 Aug 20
Wideband variable gain amplifier
1.35
1.25
1.15
1.05
Figure 32. Bandgap Voltage vs Temperature and V
1.4
1.3
1.2
1.1
16
14
12
10
1
–100
8
6
4
2
0
10
Figure 31. Noise Figure vs Frequency
–50
50 Termination
0 Termination
Temperature ( C)
on INB
Frequency (MHz)
0
on INB
100
Bandgap Load = 2k
50
See test-setup 1
R
R
V
S
t
AGC
T = 25 C
=
= R
L
on INA
= 1.1V
100
= 50
V
V
V
V
CC
CC
CC
CC
150
1000
SR00269
SR00267
= 7.0V
= 6.0V
= 5.0V
= 4.5V
CC
13
12
10
8
6
4
2
0
–60
Figure 34. VGA AC Evaluation Board Layout
Figure 33. Fixed Gain vs Temperature
IN
IN
TOP VIEW - COMPONENT SIDE
B
A
TOP VIEW - SOLDER SIDE
–10
+V
Temperature ( C)
CC
40
NE5209
GND
NE/SA5209
R
R
See Figure 10
OUT
Product specification
S
1
f = 100MHz
OUT
90
R
= R
= R
t
= 50
L
2
B
A
= 50
= 10k
SR00268
SR00270
140