AD8310 Analog Devices, AD8310 Datasheet - Page 6

• Manufacturer Part Number: AD8310
• Description: Fast Response, DC - 440 Mhz, Voltage Out, 90 DB Logarithmic Amplifier
• Manufacturer: Analog Devices

Figure 14. Log Linearity of RSSI Output vs. Input Level at
T
AD8310
100 MHz
A
Figure 13. Log Linearity of RSSI Output vs. Input Level,
at T
= 25 C for Frequencies of 200 MHz, 300 MHz and 440 MHz
A
= 25 C, for Frequencies of 10 MHz, 50 MHz and
–1
–2
–3
–4
–5
30
29
28
27
26
25
24
23
22
21
20
–1
–2
–3
–4
–5
–120
–120
5
4
3
2
1
0
5
4
3
2
1
0
1
Figure 15. RSSI Slope vs. Frequency
(–87dBm)
(–87dBm)
–100
–100
–80
–80
10
INPUT LEVEL – dBV
INPUT LEVEL – dBV
FREQUENCY – MHz
–60
–60
–40
–40
300MHz
440MHz
100
–20
–20
50MHz
100MHz
200MHz
(+13dBm)
(+13dBm)
0
0
10MHz
1000
20
20
–6–
Figure 18. Intercept Distribution V
= 100 MHz, 25 C
Figure 17. Transfer Slope Distribution, V
Frequency = 100 MHz, 25 C
–101
–103
–105
–107
–109
–111
–113
–115
–117
–119
–99
24
22
20
18
16
14
12
10
–115
8
6
4
2
0
40
35
30
25
20
15
10
5
0
21.5
Figure 16. RSSI Intercept vs. Frequency
1
–113
22.0
–111
22.5
–109
0.308728)
NORMAL
(23.6584,
10
INTERCEPT – dBV
FREQUENCY – MHz
SLOPE – mV/dB
–107
23.0
–105
23.5
NORMAL
(–107.6338,
2.36064)
–103
S
100
= 5 V, Frequency
24.0
–101
24.5
S
–99
= 5 V,
–97
1000
REV. A