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參數(shù)資料
| 型號： | AD8345AREZ-RL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 調(diào)制器/解調(diào)器 |
| 英文描述： | 140 MHz - 1000 MHz RF/MICROWAVE QUADRAPHASE MODULATOR |
| 封裝： | LEAD FREE, MO-153ABT, TSSOP-16 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 1013K |
| 代理商： | AD8345AREZ-RL7 |
140 MHz to 1000 MHz
Quadrature Modulator
AD8345
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2005 Analog Devices, Inc. All rights reserved.
FEATURES
140 MHz to 1000 MHz operating frequency
+2.5 dBm P1dB @ 800 MHz
155 dBm/Hz noise floor
0.5 degree RMS phase error (IS95)
0.2 dB amplitude balance
Single 2.7 V to 5.5 V supply
Pin-compatible with AD8346 and AD8349
16-lead TSSOP_EP package
APPLICATIONS
Cellular communication systems
W-CDMA/CDMA/GSM/PCS/ISM transceivers
Fixed broadband access systems LMDS/MMDS
Wireless LAN
Wireless local loop
Digital TV/CATV modulators
Single sideband upconverter
FUNCTIONAL BLOCK DIAGRAM
16
QBBP
QBBN
15
COM3
14
COM3
13
VPS2
12
VOUT
11
COM2
10
COM3
9
1
IBBP
2
IBBN
3
COM3
4
COM1
5
LOIN
6
LOIP
7
VPS1
8
ENBL
BIAS
+
PHASE
SPLITTER
AD8345
00932-
001
Figure 1.
PRODUCT DESCRIPTION
The AD8345 is a silicon RFIC quadrature modulator, designed
for use from 140 MHz to 1000 MHz. Its excellent phase
accuracy and amplitude balance enable the high performance
direct modulation of an IF carrier.
The AD8345 accurately splits the external LO signal into two
quadrature components through the polyphase phase splitter
network. The I and Q LO components are mixed with the
baseband I and Q differential input signals. Finally, the outputs
of the two mixers are combined in the output stage to provide a
single-ended 50 Ω drive at VOUT.
APPLICATIONS
The AD8345 modulator can be used as the IF transmit
modulator in digital communication systems such as GSM and
PCS transceivers. It can also directly modulate an LO signal to
produce QPSK and various QAM formats for 900 MHz
communication systems as well as digital TV and CATV
systems.
Additionally, this quadrature modulator can be used with direct
digital synthesizers in hybrid phase-locked loops to generate
signals over a wide frequency range with millihertz resolution.
The AD8345 modulator is supplied in a 16-lead TSSOP_EP
package. Its performance is specified over a 40°C to +85°C
temperature range. This device is fabricated on Analog Devices’
advanced silicon bipolar process.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD8345AREZ-REEL7 | 140 MHz - 1000 MHz RF/MICROWAVE QUADRAPHASE MODULATOR |
| AD8346ARUZ-REEL | 800 MHz - 2500 MHz RF/MICROWAVE I/Q MODULATOR |
| AD8346ARUZ-REEL7 | 800 MHz - 2500 MHz RF/MICROWAVE I/Q MODULATOR |
| AD8347ARUZ | 800 MHz - 2700 MHz RF/MICROWAVE QUADRAPHASE DEMODULATOR |
| AD8347ARUZ-REEL7 | 800 MHz - 2700 MHz RF/MICROWAVE QUADRAPHASE DEMODULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8345-EVAL | 制造商:Analog Devices 功能描述:AD8345 EVALUATION BOARD - Bulk |
| AD8345-EVALZ | 制造商:Analog Devices 功能描述:EVAL KIT FOR 140 MHZ TO 1000 MHZ QUADRATURE MODULATOR - Bulk |
| AD8346 | 制造商:AD 制造商全稱:Analog Devices 功能描述:300 MHz to 1000 MHz Quadrature Modulator |
| AD8346AF-EMX | 制造商:Analog Devices 功能描述:- Rail/Tube |
| AD8346ARU | 功能描述:IC QUADRATURE MOD .8GHZ 16-TSSOP RoHS:否 類別:RF/IF 和 RFID >> RF 調(diào)制器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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) |
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