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TRF3705 PDF预览

TRF3705

更新时间： 2024-10-29 12:16:19
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
37页 890K
描述
300-MHz to 4-GHz Quadrature Modulator

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TRF3705 数据手册

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TRF3705  
www.ti.com  
SLWS223A –AUGUST 2011–REVISED OCTOBER 2011  
300-MHz to 4-GHz Quadrature Modulator  
Check for Samples: TRF3705  
1
FEATURES  
DESCRIPTION  
The TRF3705 is  
a low-noise direct quadrature  
23  
•
High Linearity:  
Output IP3: 30 dBm at 1850 MHz  
modulator, capable of converting complex modulated  
signals from baseband or IF directly up to RF. The  
TRF3705 is a high-performance, superior-linearity  
device that is ideal to up-convert to RF frequencies of  
–
•
Low Output Noise Floor: –160 dBm/Hz  
•
78-dBc Single-Carrier WCDMA ACPR  
at –10-dBm Channel Power  
300 MHz(1) through  
4
GHz. The modulator is  
implemented as a double-balanced mixer.  
•
•
•
•
•
Unadjusted Carrier Suppression: –40 dBm  
Unadjusted Sideband Suppression: –45 dBc  
Single Supply: 3.3-V Operation  
1-bit Gain Step Control  
The RF output block consists  
of  
a
differential-to-single-ended converter that is capable  
of driving a single-ended 50-Ω load. The TRF3705  
requires a 0.25-V common-mode voltage for optimum  
linearity performance. The TRF3705 also provides a  
fast power-down pin that can be used to reduce  
power dissipation in TDD applications.  
Fast Power-Up/Power-Down  
APPLICATIONS  
The TRF3705 is available in an RGE-24 VQFN  
package.  
•
•
•
•
•
•
Cellular Base Station Transmitter  
CDMA: IS95, UMTS, CDMA2000, TD-SCDMA  
LTE (Long Term Evolution)  
TDMA: GSM, EDGE/UWC-136  
Multicarrier GSM (MC-GSM)  
(1) Appropriate matching network is required for optimal  
performance at 300 MHz.  
Wireless MAN Wideband Transceivers  
PD  
GND  
LOP  
LOM  
GND  
GC  
1
2
3
4
5
6
18  
17  
16  
15  
14  
13  
VCC  
GND  
RFOUT  
0/90  
S
GND  
GND  
GND  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
PowerPAD is a trademark of Texas Instruments.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011, Texas Instruments Incorporated  
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TRF3705 替代型号

型号 品牌 替代类型 描述 数据表
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