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參數(shù)資料
型號(hào): AD9864BCPZ
廠商: ANALOG DEVICES INC
元件分類: 消費(fèi)家電
英文描述: IF Digitizing Subsystem
中文描述: SPECIALTY CONSUMER CIRCUIT, QCC48
封裝: LEAD FREE, MO-220VKKD-2, LFCSP-48
文件頁數(shù): 1/44頁
文件大小: 1984K
代理商: AD9864BCPZ
IF Digitizing Subsystem
AD9864*
FEATURES
Rev.
0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
Tel: 781.329.4700
www.analog.com
10 MHz to 300 MHz input frequency
6.8 kHz to 270 kHz output signal bandwidth
7.5 dB SSB NF
–7.0 dBm IIP3
AGC free range up to –34 dBm
12 dB continuous AGC range
16 dB front end attenuator
Baseband I/Q 16-bit (or 24-bit) serial digital output
LO and sampling clock synthesizers
Programmable decimation factor, output format,
AGC, and sythesizer settings
370
input impedance
2.7 V to 3.6 V supply voltage
Low current consumption: 17 mA
48-lead LFCSP package
APPLICATIONS
Multimode narrow-band radio products
Analog/digital UHF/VHF FDMA receivers
TETRA, APCO25, GSM/EDGE
Portable and mobile radio products
SATCOM terminals
*Protected by U.S. Patent No. 5,969,657; other patents pending.
PRODUCT OVERVIEW
The AD9864 is a general-purpose IF subsystem that digitizes a
low level 10 MHz to 300 MHz IF input with a signal bandwidth
ranging from 6.8 kHz to 270 kHz. The signal chain of the
AD9864 consists of a low noise amplifier (LNA), a mixer, a
band-pass Σ- analog-to-digital converter (ADC), and a deci-
mation filter with programmable decimation factor. An auto-
matic gain control (AGC) circuit gives the AD9864 12 dB of
continuous gain adjustment. Auxiliary blocks include both
clock and LO synthesizers.
The high dynamic range of the AD9864 and inherent antialias-
ing provided by the band-pass Σ- converter allow the device to
cope with blocking signals up to 95 dB stronger than the desired
signal. This attribute often reduces the cost of a radio by reduc-
ing IF filtering requirements. Also, it enables multimode radios
of varying channel bandwidths, allowing the IF filter to be
specified for the largest channel bandwidth.
The SPI port programs numerous parameters of the AD9864,
allowing the device to be optimized for any given application.
Programmable parameters include synthesizer divide ratios,
AGC attenuation and attack/decay time, received signal
strength level, decimation factor, output data format, 16 dB
attenuator, and the selected bias currents.
The AD9864 is available in a 48-lead LFCSP package and
operates from a single 2.7 V to 3.6 V supply. The total power
consumption is typically 56 mW and a power-down mode is
provided via serial interfacing.
FUNCTIONAL BLOCK DIAGRAM
-
ADC
LNA
DAC
AGC
RVOLTAGE
SPI
CONTROL LOGIC
FORMATTING/SSI
DECIMATION
FILTER
LO
CLK SYN
LO VCO AND
LOOP FILTER
IFIN
FREF
DOUTA
DOUTB
FS
CLKOUT
SYNCB
PE
PD
PC
VREFN
VCM
VREFP
MXOP MXON
IF2P IF2N
GCP GCN
–16dB
AD9864
CLKN
CLKP
IOUTC
LON
LOP
IOUTL
LOOP FILTER
0
Figure 1. AD9864 Block Diagram
相關(guān)PDF資料
PDF描述
AD9864BCPZRL IF Digitizing Subsystem
AD9866BCPRL Broadband Modem Mixed Signal Front End
AD9866CHIPS Broadband Modem Mixed Signal Front End
AD9866 Broadband Modem Mixed Signal Front End
AD9866-EB Broadband Modem Mixed Signal Front End
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9864BCPZ 制造商:Analog Devices 功能描述:IC, IF SUBSYSTEM, 16-24BIT, 6.8KHZ-270KH
AD9864BCPZRL 功能描述:IC IF SUBSYSTEM GEN-PURP 48LFCSP RoHS:是 類別:RF/IF 和 RFID >> RF 前端 (LNA + PA) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:250 系列:- RF 型:GPS 頻率:1575.42MHz 特點(diǎn):- 封裝/外殼:48-TQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFP 裸露焊盤(7x7) 包裝:托盤
AD9864-EB 制造商:Analog Devices 功能描述:
AD9864-EBZ 功能描述:BOARD EVAL FOR AD9864 制造商:analog devices inc. 系列:- 零件狀態(tài):有效 類型:數(shù)字轉(zhuǎn)換器 頻率:10MHz ~ 300MHz 配套使用產(chǎn)品/相關(guān)產(chǎn)品:AD9864 所含物品:板 標(biāo)準(zhǔn)包裝:1
AD9865 制造商:AD 制造商全稱:Analog Devices 功能描述:Broadband Modem Mixed-Signal Front End
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