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參數資料
| 型號： | AD9874 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通信及網絡 |
| 英文描述： | IF Digitizing Subsystem |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP48 |
| 封裝： | 1.40 MM HEIGHT, PLASTIC, TQFP-48 |
| 文件頁數： | 26/40頁 |
| 文件大小： | 744K |
| 代理商： | AD9874 |
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REV. 0
–26–
AD9874
Figures 16a and 16b show expanded views of the pass band for the
two possible configurations of the
third decimation filter. When
decimating by 60
n
(K = 0), the pass-band gain variation is 1.2 dB;
when decimating by 48
n
(K = 1), the pass-band gain variation is
0.9 dB. Normalization of full scale at band center is accurate to
within 0.14 dB across all decimation modes. Figures 17a and 17b
show the folded frequency response of the decimator for K = 0
and K = 1, respectively.
NORMALIZED FREQUENCY – RELATIVE TO
f
OUT
0
3
0.250
d
0.125
2
1
0
–1
–2
–3
PASS-BAND GAIN FREQUENCY = 1.2dB
Figure 16a. Pass-Band Frequency Response of
the Decimator for K = 0
NORMALIZED FREQUENCY – RELATIVE TO
f
OUT
0
3
0.250
d
0.125
2
1
0
–1
–2
–3
PASS-BAND GAIN VARIATION = 0.9dB
Figure 16b. Pass-Band Frequency Response of
the Decimator for K = 1
NORMALIZED FREQUENCY – RELATIVE TO
f
OUT
0
0
0.50
d
0.25
–20
–40
–60
–80
–100
–120
MIN ALIAS ATTN = 87.7dB
Figure 17a. Folded Decimator Frequency Response for K = 0
NORMALIZED FREQUENCY – RELATIVE TO
f
OUT
0
0
0.50
d
0.25
–20
–40
–60
–80
–100
–120
MIN ALIAS ATTN = 97.2dB
Figure 17b. Folded Decimator Frequency Response for K = 1
相關PDF資料 |
PDF描述 |
|---|---|
| AD9874BST | IF Digitizing Subsystem |
| AD9874EB | IF Digitizing Subsystem |
| AD9875BSTRL | Broadband Modem Mixed-Signal Front End |
| AD9875 | Broadband Modem Mixed-Signal Front End |
| AD9875-EB | Broadband Modem Mixed-Signal Front End |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9874ABST | 功能描述:IC IF DIGIT SUBSYSTEM 48-LQFP RoHS:否 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:- 標準包裝:100 系列:* |
| AD9874ABST | 制造商:Analog Devices 功能描述:IF DIGITIZING SYBSYSTEM ((NW)) 制造商:Analog Devices 功能描述:IC, IF DIGITIZING SUBSYSTEM, LQFP-48 |
| AD9874ABST | 制造商:Analog Devices 功能描述:IC IF DIG SUBSYSTEM |
| AD9874ABSTRL | 功能描述:IC IF DIGIT SUBSYSTEM 48-LQFP RoHS:否 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:- 標準包裝:100 系列:* |
| AD9874ABSTZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:IF Digitizing Subsystem |
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