SA5209 Datasheet, PDF (12/17 Pages) NXP Semiconductors – Wideband variable gain amplifier

Philips Semiconductors
Wideband variable gain amplifier
Product specification
SA5209
0
–10
–20
–30
–40
–50
–60
T = 25°C
–70
R_S = R_L = 50Ω
R_t = 50Ω
See test-setup 1
–80
–90
Frequency (MHz)
SR00263
Figure 27. Reverse Isolation vs Frequency
0
OUTPUT
–5
–10
–15
INPUT
T = 25°C
R_S = R_L = 50Ω
–20
R_t = 50Ω
f = 100MHz
See test-setup 1
–25
–30
0
0.2
0.4
0.6
0.8
1
V_AGC (V)
SR00265
Figure 28. 1dB Gain Compression vs V_AGC
15
OUTPUT
T = 25°C
10
R_S = R_L = 50Ω
R_t = 50Ω
f = 100MHz
See test-setup 1
5
0
INPUT
–5
0
0.2
0.4
0.6
0.8
1
V_AGC (V)
SR00264
Figure 29. Third-Order Intermodulation Intercept vs V_AGC
20
18
16
14
12
10
8
6
4
2
0
0
T = 25°C
R_S = R_L = 50Ω
R_t = ∞
f = 50MHz
See test-setup 1
0.2
0.4
0.6
0.8
V_AGC (V)
Figure 30. Noise Figure vs V_AGC
1
SR00266
1997 Nov 07
12