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參數資料
型號： AD9874BST
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： PLASTIC, MS-026BBC, LQFP-48
文件頁數： 9/40頁
文件大小： 744K
代理商： AD9874BST
REV. 0
AD9874
–9–
(VDDI = VDDF = VDDA = VDDC = VDDL = VDDD = VDDH = VDDx, VDDQ = VDDP = 5.0 V, f
CLK
= 18 MSPS, f
IF
= 109.56 MHz, f
LO
= 107.4 MHz,
T
A
= 25 C, LO = –5 dBm, LO and CLK Synthesizer Disabled, 16-Bit Data with AGC and DVGA enabled, unless otherwise noted.)
1
LO DRIVE – dBm
G
0.1
–20
–14
–8
–5
0
–0.2
–0.4
–0.6
–0.8
–0.1
–0.3
–0.5
–0.7
–11
–17
LOW BIAS
HIGH BIAS
TPC 7a. Normalized Gain Variation
vs. LO Drive (VDDx = 3.0 V)
FREQUENCY – kHz
F
0
–140
–20
–40
–60
–80
–100
–120
–80
–60
–40
–20
0
20
40
60
80
–2.8 dBFS OUTPUT
NBW = 3.66kHz
f
CLK
= 18MHz
MDEC–BY–120
TPC 8a. Complex FFT of Baseband
I/Q for Single-Tone (High Bias)
FREQUENCY – kHz
d
0
–140
–20
–40
–60
–80
–100
–120
–80
–60
–40
–20
0
20
40
60
80
NBW = 3.66kHz
f
CLK
= 18MHz
MDEC–BY–120
IMD = 74dBc
–18.2dBFS OUTPUT
TPC 9a. Complex FFT of Baseband
I/Q for Dual Tone IMD (High Bias
with each IFIN Tone @ –35 dBm)
LO DRIVE – dBm
N
9.0
–20
–10
0
5
8.6
8.2
7.8
7.4
7.0
8.4
8.0
7.6
7.2
–5
–15
NF-HIGH BIAS
IMD-HIGH BIAS
NF-LOW BIAS
IMD-LOW BIAS
8.8
I
0
–20
–40
–60
–80
–30
–50
–70
–10
TPC 7b. Noise Figure and IMD
vs. LO Drive (VDDx = 3.0 V)
IFIN – dBm
d
0
–30
–14
“HADC GOES INTO
–28
–26
–24
–22
–20
–18
–16
–2
–4
–6
–8
–10
–12
2.7V
3.0V
3.3V
3.6V
TPC 8b. Gain Compression vs. IFIN
(High Bias
2
)
IFIN – dBm
I
–70
–124
–76
–82
–88
–100
–106
–118
–51
–48
–45
–42
–39
–36
–33
–30
PIN
2.7V
3.6V
3.0V
3.3V
–130
–112
–94
P
–15
–42
–18
–21
–24
–30
–33
–39
–45
–36
–27
TPC 9b. IMD vs. IFIN (High Bias
2
)
IFIN – dBm
d
–12
–36
–18
–24
–30
–36
–15
–21
–27
–33
–33 –30 –27 –24 –21 –18 –15 –12 –9
–6
–3
0
HIGH BIAS
LOW BIAS
TPC 7c. Gain Compression vs. IFIN
with 16 dB LNA Attenuator Enabled
IFIN – dBm
d
0
–30
–14
“HARD COMPRESSION”
–28
–26
–24
–22
–20
–18
–14
–2
–4
–6
–8
–10
–12
2.7V
3.0V
3.3V
3.6V
–16
TPC 8c. Gain Compression vs. IFIN
(Low Bias
3
)
IFIN – dBm
I
–55
–109
–61
–67
–73
–85
–91
–103
–51
–48
–45
–42
–39
–36
–33
–30
PIN
2.7V
3.6V
3.0V
3.3V
–115
–97
–79
P
–15
–42
–18
–21
–24
–30
–33
–39
–45
–36
–27
TPC 9c. IMD vs. IFIN (Low Bias
3
)
1
Data taken with Toko FSLM series 10
μ
H inductors
2
High Bias corresponds to LNA_Mixer Setting of 33 in SPI Register 0x01
3
Low Bias corresponds to LNA_Mixer Setting of 12 in SPI Register 0x01
相關PDF資料
PDF描述
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
AD9875BST Broadband Modem Mixed-Signal Front End
相關代理商/技術參數
參數描述
AD9874EB 制造商:AD 制造商全稱:Analog Devices 功能描述:IF Digitizing Subsystem
AD9874-EB 制造商:Analog Devices 功能描述:
AD9874-EBZ 功能描述:BOARD EVAL FOR AD9874 制造商:analog devices inc. 系列:- 零件狀態:有效 類型:數字轉換器 頻率:10MHz ~ 300MHz 配套使用產品/相關產品:AD9874 所含物品:板 標準包裝:1
AD9875 制造商:AD 制造商全稱:Analog Devices 功能描述:Broadband Modem Mixed-Signal Front End
AD9875BST 制造商:Analog Devices 功能描述:Modem Chip Single 48-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:10B BROADBAND MODEM MXFE CONVERTER - Tape and Reel
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