AD8309 데이터 시트보기 (PDF) - Analog Devices
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AD8309 Datasheet PDF : 20 Pages
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2.5
2.0
1.5
1.0
TA = +85؇C
0.5
TA = –40؇C
TA = +25؇C
0
–100 –80
–60
–40
–20
0
20
40
INPUT LEVEL – dBm Re 50⍀
Figure 7. RSSI Output vs. Input Level, 100 MHz Sine Input,
at TA = –40°C, +25°C and +85°C, Single-Ended Input
AD8309
5
4
3
2
1
TA = +85؇C
0
–1
TA = +25؇C
–2
–3
TA = –40؇C
–4
–5
–100 –80
–60 –40
–20
0
20
40
INPUT LEVEL – dBm Re 50⍀
Figure 10. Log Linearity of RSSI Output vs. Input Level,
100 MHz Sine Input, at TA = –40°C, +25°C, and +85°C
2.5
100MHz
50MHz
200MHz
5MHz
2.0
1.5
1.0
0.5
0
–100 –80
–60
–40
–20
0
20
40
INPUT LEVEL – dBm Re 50⍀
Figure 8. RSSI Output vs. Input Level, at TA = +25°C, for
Frequencies of 5 MHz, 50 MHz, 100 MHz and 200 MHz
5
4
3
5MHz
2
DYNAMIC RANGE ؎1dB ؎3dB
5MHz
85 93
50MHz
91 99
100MHz
97 103
200MHz
96 102
1
50MHz
0
–1
100MHz 200MHz
–2
–3
–4
–5
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL – dBm Re 50⍀
10 20 30
Figure 11. Log Linearity of RSSI Output vs. Input Level, at
TA = +25°C, for Frequencies of 5 MHz, 50 MHz, 100 MHz
and 200 MHz
2.5
300MHz
400MHz
2.0
500MHz
1.5
1.0
0.5
0
–100 –80
–60
–40
–20
0
20
40
INPUT LEVEL – dBm Re 50⍀
Figure 9. RSSI Output vs. Input Level, at TA = +25°C, for
Frequencies of 300 MHz, 400 MHz and 500 MHz
5
DYNAMIC RANGE ؎1dB ؎3dB
4
300MHz
90 102
400MHz
65 100
3
500MHz
66 100
2
1
300MHz
0
–1
–2
400MHz
500MHz
–3
–4
–5
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL – dBm Re 50⍀
10 20 30
Figure 12. Log Linearity of RSSI Output vs. Input Level,
at TA = +25°C, for Frequencies of 300 MHz, 400 MHz and
500 MHz
REV. B
–5–
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