Datasheet > ERJ-2RKF2260X

ERJ-2RKF2260X

更新时间： 2024-10-20 02:50:27

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
25页	1356K
描述
DPD Demodulator for PA Linearization

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中文翻译

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ERJ-2RKF2260X 数据手册

IDTF1370NBGI

Datasheet

DPD Demodulator for PA Linearization

1300MHz to 2900MHz

FEATURES (I OR Q PATH)

GENERAL DESCRIPTION



Wide flat performance IF BW

Wide RF and LO BWs (~ 1.6 GHz)

Ideal for Multi-Carrier Systems

Drives ADC directly

Ultra linear +41 dBm IP3_O

Low Noise Figure

Excellent ACLR performance

200 Ω output impedance

Fully integrated DPD demodulator

6x6 36 pin package

Standby Mode w/Fast Recovery

I_CC: 275 mA

This document describes the specification for the

IDTF1370 Digital Pre-Distortion Demodulator for PA

linearization. This series of devices is offered in 2

variants to cover common UTRA bands. See part

number matrix below for additional detail.

COMPETITIVE ADVANTAGE

In typical basestation transmitters digital pre-distortion is

employed to improve the Transmitter performance. The

signal coming out of the PA is sampled and the incoming

Tx chain I&Q data is pre-distorted to counteract the

distortion inherent in the PA. The PA signal is adjusted

via a digital step attenuator to a lower level and then

sub-sampled at an IF frequency of ~200 MHz which

necessitates the need for a highly linear demodulator to

downmix to quadrature IF from the Transmit frequency.

By sampling IF_I and IF_Q independently and then

digitally combining these signals, an effective doubling of

the sample rate can be achieved. Any distortion in this

path will degrade the performance of the DPD algorithm.

By utilizing an ultra-linear demodulator w/integrated DSA

such as the IDTF1370, the ACLR and/or power

DEVICE BLOCK DIAGRAM

CSb SDI CLK

SPI

DEC

IF_I

SPLIT

STBY

I_SET

Bias

Control

90^O

I_BIAS

consumption of the full Tx system can be improved

significantly.

RF_{IN_Y}

RF_{IN_X}

IF_Q

 DPD full path ACLR:  1 dB

 Icc: DPD function Power

Consumption  40%

LO_IN

RF VCO

 Zero-Distortion^TMDemod

eliminates 2 IF amps

 Integrates 2 BPFs, 2 Baluns,

SPDT RF switch

ORDERING INFORMATION



Glitch-Free^TMgain control

Omit IDT

0.8 mm height

package

Tape &

Reel

Glitch-Free^TM

prefix

PART# MATRIX

IDTF1370NBGI8

Part#

F1320

F1370

RF range

550 - 1150

1300 - 2900

UTRA

bands

IF freq

range

Typ.

Gain

Injection

RF product Line

Green Industrial

5,6,8,12,13,

14,17

High Side

or Low Side

Temp range

20 - 350

12.5

1,2,3,4,9,10

7,21, 24, 38

High Side

or Low Side

20 - 500

12.5

IDT Zero-Distortion^TM, Glitch-Free^TMDPD Receiver

Rev4, January 2014

12 3 4 5 6 7...25

中文翻译

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与ERJ-2RKF2260X相关器件

型号	品牌	获取价格	描述	数据表
ERJ2RKF2261X	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-2RKF2261X	PANASONIC	获取价格	RES SMD 2.26K OHM 1% 1/10W 0402
ERJ2RKF2262X	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-2RKF2262X	PANASONIC	获取价格	RES SMD 22.6K OHM 1% 1/10W 0402
ERJ2RKF2263X	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-2RKF2263X	PANASONIC	获取价格	RES SMD 226K OHM 1% 1/10W 0402
ERJ2RKF22R0X	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-2RKF22R0X	PANASONIC	获取价格	RES SMD 22 OHM 1% 1/10W 0402
ERJ2RKF22R1X	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.063W, 22.1ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surfa
ERJ2RKF22R6X	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.063W, 22.6ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surfa

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