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參數(shù)資料
型號: AD8349ARE
廠商: ANALOG DEVICES INC
元件分類: 衰減器
英文描述: 700 MHz to 2700 MHz Quadrature Modulator
中文描述: 700 MHz - 2700 MHz RF/MICROWAVE QPSK MODULATOR
封裝: MO-153ABT, TSSOP-16
文件頁數(shù): 1/28頁
文件大小: 969K
代理商: AD8349ARE
700 MHz to 2700 MHz
Quadrature Modulator
AD8349
FEATURES
Output frequency range: 700 MHz to 2700 MHz
Modulation bandwidth: dc to 160 MHz (large signal BW)
1 dB output compression: 5.6 dBm @ 2140 MHz
Output disable function: output below –50 dBm in < 50 ns
Noise floor: –156 dBm/Hz
Phase quadrature error: 0.3 degrees @ 2140 MHz
Amplitude balance: 0.1 dB
Single supply: 4.75 V to 5.25 V
Pin compatible with AD8345/AD8346
16-lead exposed-paddle TSSOP package
APPLICATIONS
Cellular/PCS communication systems infrastructure
WCDMA/CDMA2000/PCS/GSM/EDGE
Wireless LAN/wireless local loop
LMDS/broadband wireless access systems
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 owners.
Tel: 781.329.4700
www.analog.com
FUNCTIONAL BLOCK DIAGRAM
IBBP
IBBN
COM1
COM1
LOIN
QBBP
QBBN
COM3
COM3
VPS2
LOIP
VPS1
ENOP
VOUT
COM3
COM2
0
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
Σ
AD8349
PHASE
SPLITTER
BIAS
Figure 1
PRODUCT DESCRIPTION
The AD8349 is a silicon, monolithic, RF quadrature modulator
that is designed for use from 700 MHz to 2700 MHz. Its
excellent phase accuracy and amplitude balance enable high
performance direct RF modulation for communication systems.
The differential LO input signal is buffered, and then split into
an in-phase (I) signal and a quadrature-phase (Q) signal using a
polyphase phase splitter. These two LO signals are further
buffered and then mixed with the corresponding I channel and
Q channel baseband signals in two Gilbert cell mixers. The
mixers’ outputs are then summed together in the output
amplifier. The output amplifier is designed to drive 50 loads.
The RF output can be switched on and off within 50 ns by
applying a control pulse to the ENOP pin.
The AD8349 can be used as a direct-to-RF modulator in digital
communication systems such as GSM, CDMA, and WCDMA
base stations, and QPSK or QAM broadband wireless access
transmitters. Its high dynamic range and high modulation
accuracy also make it a perfect IF modulator in local multipoint
distribution systems (LMDS) using complex modulation
formats.
The AD8349 is fabricated using Analog Devices’ advanced
complementary silicon bipolar process, and is available in a 16-
lead exposed-paddle TSSOP package. Its performance is
specified over a –40°C to +85°C temperature range.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8349ARE-REEL7 功能描述:IC QUADRATURE MOD 700MHZ 16TSSOP RoHS:否 類別:RF/IF 和 RFID >> RF 調(diào)制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:調(diào)制器 LO 頻率:700MHz ~ 2.3GHz RF 頻率:700MHz ~ 2.3GHz P1dB:1dBm 底噪:-148dBm/Hz 輸出功率:-1dBm 電流 - 電源:46mA 電源電壓:2.7 V ~ 3.6 V 測試頻率:1.75GHz 封裝/外殼:28-WFQFN 裸露焊盤 包裝:帶卷 (TR)
AD8349AREZ 功能描述:IC QUADRATURE MOD 700MHZ 16TSSOP RoHS:是 類別:RF/IF 和 RFID >> RF 調(diào)制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:調(diào)制器 LO 頻率:700MHz ~ 2.3GHz RF 頻率:700MHz ~ 2.3GHz P1dB:1dBm 底噪:-148dBm/Hz 輸出功率:-1dBm 電流 - 電源:46mA 電源電壓:2.7 V ~ 3.6 V 測試頻率:1.75GHz 封裝/外殼:28-WFQFN 裸露焊盤 包裝:帶卷 (TR)
AD8349AREZ-RL7 功能描述:IC MOD QUAD 2.7GHZ 16TSSOP RoHS:是 類別:RF/IF 和 RFID >> RF 調(diào)制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:調(diào)制器 LO 頻率:700MHz ~ 2.3GHz RF 頻率:700MHz ~ 2.3GHz P1dB:1dBm 底噪:-148dBm/Hz 輸出功率:-1dBm 電流 - 電源:46mA 電源電壓:2.7 V ~ 3.6 V 測試頻率:1.75GHz 封裝/外殼:28-WFQFN 裸露焊盤 包裝:帶卷 (TR)
AD8349EVAL 制造商:Analog Devices 功能描述:IC ((NS))
AD8349-EVAL 制造商:Analog Devices 功能描述:AD8349 EVALUATION BOARD - Bulk
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