AD9853AS Просмотр технического описания (PDF) - Analog Devices
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AD9853AS Datasheet PDF : 31 Pages
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AD9853
Modulated Output Spectrum with 5 V Supply, ␣ = 0.25, 27.5 MHz REFCLK
0
RBW = 3kHz
–10 VBW = 3kHz
SWT = 22.5s
–20 RF ATT = 10dB
REF LVL = –20dBm
–30
0
RBW = 3kHz
–10 VBW = 3kHz
SWT = 22.5s
–20 RF ATT = 10dB
REF LVL = –20dBm
–30
–40
–40
–50
–50
–60
–60
–70
–70
–80
–80
–90
–90
–10
0 START 0Hz
8MHz/
STOP 80MHz
Figure 7. QPSK, 1.375 Mb/s, AOUT = 65 MHz
–100
START 0 Hz
8 MHz/
STOP 80 MHz
Figure 10. QPSK, 5.5 Mb/s, AOUT = 65 MHz
OBSOLETE Single Tone Output Spectrum with +3.3 V Supply, 20.48 MHz REFCLK
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
START 0Hz
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 30dB
REF LVL = 0dBm
6MHz/
STOP 60MHz
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
START 0Hz
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 30dB
REF LVL = 0dBm
6MHz/
STOP 60MHz
Figure 8. AOUT = 1 MHz
Figure 11. AOUT = 20 MHz
0
RBW = 3kHz
–10 VBW = 3kHz
SWT = 17s
–20 RF ATT = 30dB
REF LVL = 0dBm
–30
–40
–50
–60
–70
–80
–90
–100
START 0Hz
6MHz/
STOP 60MHz
Figure 9. AOUT = 42 MHz
0
RBW = 5kHz
–10 VBW = 5kHz
SWT = 8s
–20 RF ATT = 30dB
REF LVL = 0dBm
–30
–40
–50
–60
–70
–80
–90
–100
CENTER 40Hz
8MHz/
SPAN 80MHz
Figure 12. AOUT = 65 MHz
(+5 V Supply, 27.5 MHz REFCLK)
–8–
REV. C
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