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TRF1221

更新时间： 2024-11-21 03:26:31
品牌 Logo 应用领域
德州仪器 - TI 射频和微波射频上变频器射频下变频器微波上变频器微波下变频器
页数 文件大小 规格书
27页 1368K
描述
Dual VCO/PLL Synthesizer With IF Up-Converter

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中文翻译

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TRF1221 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
风险等级：5.84Is Samacsys：N
构造：COMPONENT最大中频频率：400 MHz
最小中频频率：270 MHz输入功率最小值（CW）：20 dBm
LO 可调谐：YES最高工作温度：85 °C
最低工作温度：-40 °C最大输出功率：
RF输出最大频率：2450 MHzRF输出频率-最小值：1700 MHz
射频/微波设备类型：UP CONVERTERBase Number Matches：1

TRF1221 数据手册

 浏览型号TRF1221的Datasheet PDF文件第2页浏览型号TRF1221的Datasheet PDF文件第3页浏览型号TRF1221的Datasheet PDF文件第4页浏览型号TRF1221的Datasheet PDF文件第5页浏览型号TRF1221的Datasheet PDF文件第6页浏览型号TRF1221的Datasheet PDF文件第7页 
TRF1121  
TRF1221  
www.ti.com  
SLWS170A–APRIL 2005–REVISED DECEMBER 2005  
Dual VCO/PLL Synthesizer With IF Up-Converter  
The TRF1121/TRF1221 are designed to function as  
part of complete 2.5-GHz and 3.5-GHz radio chipsets,  
respectively. In the chipset, the transmit chain  
operates as a double up converter from an IF  
frequency input (typically from a baseband modem's  
DAC) to an RF output frequency. The TRF1121/  
TRF1221 performs the first up conversion from IF  
signals in the range of 10 MHz to 60 MHz to a  
second IF frequency in the range of 300 MHz to 360  
MHz. The radio chipset features sufficient linearity,  
phase noise, and dynamic range to work in either  
single carrier or multi-carrier, line-of-sight or  
non-line-of-sight, standard (IEEE 802.16), or  
proprietary systems. Due to the modular nature of the  
chipset, it is ideal for use in systems that employ  
transmit or receive diversity.  
FEATURES  
•
•
•
Low Phase Noise  
Image Reject Upconverter  
Dual VCO/PLL For Double Up Conversion  
Architecture  
•
On-Chip VCO, Resonator and PLL Only  
Requires Off-Chip Loop Filter  
•
•
External S-Band VCO Option  
5-Bit Transmit Level Control, 32 dB in 1 dB  
Steps  
SPECIFICATIONS  
•
S-Band LO Frequency Range:  
– TRF1121: 1500 to 2500 MHz  
– TRF1221: 1700 to 3600 MHz  
LPCC−48 PACKAGE  
(TOP VIEW)  
•
•
•
UHF LO Frequency Range: 250 to 350 MHz  
Input Frequency Range: 10 MHz to 70 MHz  
S-Band LO Phase Noise Typical 0.5 rms (100  
Hz to 1 MHz)  
•
•
•
Output Power Range From –32 dBm to 0 dBm  
in 1 dB Steps (500-mVpp Diff Input)  
Minimum UHF LO Step Size of 50 kHz For  
TRF1121 and 62.5 kHz for TRF1221  
Image Rejection: –50 dBc, Typical (20–40 MHz  
Tx IF Input)  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
1
CP2O  
LD2  
EXTLO2IP  
EXTLO2IN  
TXON  
2
3
LF2  
4
DATA  
CLK  
IFOP  
5
VCCIF  
IFON  
6
VCCD2  
FR  
•
•
LO Leakage: –36 dBm, Typical  
3rd Order IMD: < –60 dBc In Max Gain  
7
GND  
8
VCCD1  
FRBP  
EN  
GND  
9
GAIN[4]  
GAIN[3]  
GAIN[2]  
GAIN[1]  
10  
11  
12  
DESCRIPTION  
LF1  
LD1  
The TRF1121/TRF1221 are VHF-UHF upconverters  
with integrated UHF and S-band frequency  
synthesizers for radio applications in the 2GHz to 4  
GHz range. The IC performs the first up-conversion  
and generates the local oscillator (LO) for the second  
up-conversion. The device uniquely integrates an  
image reject mixer, IF gain blocks, 5-bit gain control,  
and two complete phase locked loop (PLL) circuits  
including: VCOs, resonator circuit, varactors, dividers,  
and phase detectors.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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