AD603 Analog Devices, Inc., AD603 Datasheet - Page 9

• Manufacturer Part Number: AD603
• Description: Low Noise, 90 Mhz Variable-gain Amplifier
• Manufacturer: Analog Devices, Inc.

SYNTHESIZER
Figure 23. Test Setup Used for: Noise Figure, Third-Order Intercept, and
CHANNEL
HP3326A
–10
–20
–30
–40
–50
–60
DUAL-
23
21
19
17
15
13
11
100k
0
9
7
5
20
(Worst Case Is Negative Supply PSRR, Shown Here)
21
Figure 24. Noise Figure in −10 dB/+30 dB Mode
1 dB Compression Point Measurements
30MHz
22
100Ω
0.1µF
70MHz
Figure 22. PSRR vs. Frequency
23
1M
FREQUENCY (Hz)
3
4
24
+5V
–5V
AD603
GAIN (dB)
8
DVC 8500
25
DATEL
1
10MHz
0.1µF
5
26
T
R
TEST SETUP FIGURE 23
A
S
10M
50MHz
7
= 25°C
= 50V
27
50Ω
28
29
SPECTRUM
ANALYZER
HP3585A
100M
30
Rev. H | Page 9 of 24
Figure 26. 1 dB Compression Point, −10 dB/+30 dB Mode, Gain = 30 dB
Figure 27. Third-Order Intercept −10 dB/+30 dB Mode, Gain = 10 dB
–10
–15
–20
–25
21
19
17
15
13
–5
20
18
16
14
12
10
11
9
7
5
0
0
–20
30
10
20MHz
31
Figure 25. Noise Figure in 0 dB/40 dB Mode
40MHz
32
10MHz
33
INPUT FREQUENCY (MHz)
30MHz
30
70MHz
INPUT LEVEL (dBm)
34
GAIN (dB)
–10
35
36
T
TEST SETUP FIGURE 23
T
TEST SETUP FIGURE 23
T
R
TEST SETUP FIGURE 23
A
A
A
S
= 25°C
= 25°C
50
= 25°C
= 50Ω
37
38
39
AD603
40
70
0