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參數(shù)資料
| 型號： | AD995PCBZ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 1 GSPS Quadrature Digital Upconverter w/18-Bit IQ Data Path and 14-Bit DAC |
| 中文描述： | 1 GSPS的正交數(shù)字上變頻器w/18-Bit智商數(shù)據(jù)路徑和14位DAC |
| 文件頁數(shù)： | 1/38頁 |
| 文件大?。?/td> | 602K |
| 代理商： | AD995PCBZ |
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1 GSPS Quadrature Digital Upconverter
w/18-Bit IQ Data Path and 14-Bit DAC
PRELIMINARY TECHNICAL DATA
FEATURES
AD9957
registered trademarks are the property of their respective owners.
Rev. PrF
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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2006 Analog Devices, Inc. All rights reserved.
www.analog.com
1GSPS internal clock speed (up to 400MHz analog out)
Integrated 1GSPS 14-bit DAC
250 MHz I/Q data throughput rate
Phase noise ≤ –123 dBc/Hz (400 MHz carrier)
Excellent dynamic performance >80 dB narrowband SFDR
8 Programmable Profiles for shift keying
SIN(X)/(X) Correction (Inverse SINC filter)
Reference Clock Multiplier
Internal oscillator for a single crystal operation
Software and hardware controlled power-down
Integrated RAM
Phase modulation capability
Multichip synchronization
Easy interface to Blackfin SPORT
Interpolation factors from 4x to 252x
Test tone circuitry
Interpolation DAC Mode
Gain control DAC
Internal divider allows references up to 2 GHz
1.8V & 3.3V Power Supplies
100 Lead TQFP package
APPLICATIONS
HFC Data, Telephony & Video Modems
Wireless Base Station Transmission
Broadband Communications Transmissions
Internet Telephony
GENERAL DESCRIPTION
The AD9957 functions as a universal I/Q modulator and agile
upconverter for communications systems where cost, size,
power consumption and dynamic performance are critical. The
AD9957 integrates a high speed Direct Digital Synthesizer
(DDS), a high performance, high speed 14-bit digital to analog
converter (DAC), clock multiplier circuitry, digital filters and
other DSP functions onto a single chip. It provides for base
band up-conversion for data transmission in a wired or wireless
communications system.
The AD9957 is the third offering in a family of a quadrature
digital upconverters (QDUCs), which includes the AD9857 and
AD9856. It offers performance gains in operating speed, power
consumption and spectral performance. Unlike its predeces-
sors, it also supports a 16-bit serial input mode for I/Q base
band data. The device can alternatively be programmed to op-
erate as a single-tone sinusoidal source or as an interpolating
DAC.
The Reference Clock input circuitry includes a crystal oscillator,
a high speed divide-by-two input, and a low noise PLL for mul-
tiplication of the reference clock frequency.
The user interface to the control functions includes a serial port
easily configured to interface to the SPORT of the Blackfin DSP
and profile pins which enable fast and easy shift keying of any
signal parameter (phase, frequency, and amplitude).
Figure 1: Basic Block Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
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| AD9960BSTZ | 功能描述:RFID應(yīng)答器 MxFE for RFID Reader Transceiver RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AD9960BSTZRL | 功能描述:IC MXFE FOR RFID READER/TXRX RoHS:是 類別:RF/IF 和 RFID >> RFID IC 系列:AD9960B 其它有關(guān)文件:CR14 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- RF 型:收發(fā)器 頻率:13.56MHz 特點(diǎn):ISO14443-B 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SO 包裝:Digi-Reel® 其它名稱:497-5719-6 |
| AD9960XSTZ | 制造商:Analog Devices 功能描述:SINGLE-SUPPLY CABLE MODEM/SET-TOP BOX MIXED-SIGNAL FRONT END - Trays |
| AD9961 | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-/12-Bit, Low Power, Broadband MxFE |
| AD9961_12 | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-/12-Bit, Low Power, Broadband MxFE |
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