SA5209N PHILIPS [NXP Semiconductors], SA5209N Datasheet - Page 12

• Manufacturer Part Number: SA5209N
• Description: Wideband variable gain amplifier
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
1990 Aug 20
Wideband variable gain amplifier
–10
–15
–20
–25
–30
–5
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
Figure 28. 1dB Gain Compression vs V
Figure 27. Reverse Isolation vs Frequency
0.2
0.4
Frequency (MHz)
V
AGC
(V)
See test-setup 1
0.6
R
S
f = 100MHz
R
T = 25 C
= R
See test-setup 1
t
R
= 50
S
L
T = 25 C
R
= R
= 50
t
= 50
0.8
L
= 50
AGC
1
SR00263
SR00265
OUTPUT
INPUT
12
Figure 29. Third-Order Intermodulation Intercept vs V
15
10
–5
5
0
20
18
16
14
12
10
8
6
4
2
0
0
0
Figure 30. Noise Figure vs V
0.2
0.2
0.4
0.4
V
AGC
V
AGC
(V)
(V)
0.6
See test-setup 1
R
0.6
S
f = 50MHz
T = 25 C
= R
See test-setup 1
R
R
t
S
f = 100MHz
L
=
T = 25 C
R
NE/SA5209
= R
t
= 50
= 50
0.8
L
AGC
Product specification
0.8
= 50
1
SR00264
1
SR00266
OUTPUT
INPUT
AGC