參數(shù)資料
型號(hào)： AD9853AS
廠商： ANALOG DEVICES INC
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Programmable Digital OPSK/16-QAM Modulator
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP44
封裝： METRIC, QFP-44
文件頁數(shù)： 7/31頁
文件大?。?/td> 335K
代理商： AD9853AS
Modulated Output Spectrum with 3.3 V Supply,
α
= 0.25, 20.48 MHz REFCLK
Typical Performance Characteristics–AD9853
–7–
REV. C
0
–10
–100
START 0Hz
STOP 60MHz
6MHz/
–40
–70
–80
–90
–20
–30
–60
–50
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 10dB
REF LVL = –20dBm
Figure 1. QPSK, 320 kb/s, A
OUT
= 10 MHz
0
–10
–100
START 0Hz
STOP 60MHz
6MHz/
–40
–70
–80
–90
–20
–30
–60
–50
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 10dB
REF LVL = –20dBm
Figure 2. QPSK, 640 kb/s, A
OUT
= 20 MHz
0
–10
–100
START 0Hz
STOP60 MHz
6MHz/
–40
–70
–80
–90
–20
–30
–60
–50
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 10dB
REF LVL = –20dBm
Figure 3. QPSK, 1.28 Mb/s, A
OUT
= 42 MHz
0
–10
–100
START 0Hz
STOP 60MHz
6MHz/
–40
–70
–80
–90
–20
–30
–60
–50
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 10dB
REF LVL = –20dBm
Figure 4. QPSK, 1.28 Mb/s, A
OUT
= 10 MHz
0
–10
–100
START 0Hz
STOP 60MHz
6MHz/
–40
–70
–80
–90
–20
–30
–60
–50
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 10dB
REF LVL = –20dBm
Figure 5. QPSK, 2.56 Mb/s, A
OUT
= 20 MHz
0
–10
–100
START 0Hz
STOP60 MHz
6MHz/
–40
–70
–80
–90
–20
–30
–60
–50
RBW = 3kHz
VBW = 3kHz
SWT = 17s
RF ATT = 10dB
REF LVL = –20dBm
Figure 6. QPSK, 5.12 Mb/s, A
OUT
= 42 MHz
相關(guān)PDF資料
PDF描述
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