參數(shù)資料
型號(hào)： AD9874
廠商： ANALOG DEVICES INC
元件分類： 通信及網(wǎng)絡(luò)
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(yè)數(shù)： 26/40頁(yè)
文件大?。?/td> 744K
代理商： AD9874
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(guān)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(guān)代理商/技術(shù)參數(shù)
參數(shù)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(biāo)準(zhǔn)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(biāo)準(zhǔn)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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