AD8309 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
AD8309 Datasheet PDF : 20 Pages
| |||
AD8309
25
24
23
22
21
20
19
18
17
16
15
1
10
100
1000
FREQUENCY – MHz
Figure 13. RSSI Slope vs. Frequency Using Termination of
52.3 Ω in Series with 4.7 nH
–103
–104
–105
–106
–107
–108
–109
–110
–111
–112
–113
1
10
100
FREQUENCY – MHz
1000
Figure 16. RSSI Intercept vs. Frequency Using Termina-
tion of 52.3 Ω in Series with 4.7 nH
2ns PER HORIZONTAL DIVISION
LIMITER OUTPUTS 100mV PER VERTICAL DIVISION
2mV PER VERTICAL DIVISION
Figure 14. Limiter Output at 300 MHz for a Sine Wave
Input of –60 dBV (–47 dBm), Using an RLOAD of 50 Ω and an
RLIM of 100 Ω
14
12
10
ADDITIONAL SUPPLY CURRENT
8
6
4
2
LIMITER OUTPUT CURRENT
0
0 50 100 150 200 250 300 350 400 450
RLIM – ⍀
Figure 17. Additional Supply Current and Limiter Out-
put Current vs. RLIM
LMLO
LMHI
LIMITER OUTPUTS
50mV PER VERTICAL DIVISION
INPUT
1mV PER VERTICAL DIVISION
12.5ns PER HORIZONTAL
DIVISION
Figure 15. Limiter Response at LMHI, LMLO with Pulsed
Sine Input of –70 dBV (–57 dBm) at 50 MHz; RLOAD = 50 Ω,
RLIM = 200 Ω
10
8
6 TA = +85؇C
4
TA = –40؇C
2
0
–2
TA = +25؇C
–4
–6
–8
–10
–60
–50
–40
–30 –20
–10
0
10
INPUT LEVEL – dBm Re 50⍀
Figure 18. Normalized Limiter Phase Response vs. Input
Level. Frequency = 100 MHz; TA = –40°C, +25°C and +85°C
–6–
REV. B
Share Link: 