Datasheet > F1456

F1456

更新时间： 2024-09-20 14:58:23

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
30页	9270K
描述
TX Digital VGA 2100 MHz to 2950 MHz

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F1456 数据手册

Datasheet

F1456

TX Digital VGA 1500 MHz to 2950 MHz

The F1456 is a High Gain / High Linearity 1500MHz

to 2950MHz TX Digital Variable Gain Amplifier used

in transmitter applications.

Features

■

Broadband 1500MHz to 2950MHz

■

32.1dB maximum gain

The F1456 TX DVGA provides 32.1dB maximum

gain with +38dBm OIP3 and 3.9 dB noise figure. Up

to 31.5dB gain control is achieved using the

combination of a digital step attenuator (DSA) and a

KLINTM RF Digital Gain Amplifier. This device uses

a single 5V supply and 215mA of ICC.

■

3.9dB NF at maximum gain (2650MHz)

31.5dB total gain control range, 0.5 dB step

< 2dB overshoot between gain transitions

■

Maintains flat +21.5dBm OP1dB for more than

13dB gain adjustment range

■

Maintains flat +38dBm OIP3 for more than 15dB

gain adjustment range

This device is packaged in a 6 mm x 6 mm, 28-

VFQFPN with 50Ω single-ended RF input and RF

output impedances for ease of integration into the

signal-path.

■

SPI interface for DSA control

Single 5V supply voltage

I_CC= 215mA

Competitive Advantage

Up to +105°C T_CASEoperating temperature

50Ω input and output impedance

Standby mode for power savings

Pin compatible 700MHz and 2100MHz versions

6 x 6 mm, 28-VFQFPN package

In typical Base Stations, RF VGAs are used in the TX

traffic paths to drive the transmit power amplifier.

The F1456 TX DVGA offers very high reliability due

to its construction from a monolithic silicon die in a

QFN package. The F1456 is configured to provide an

optimum balance of noise and linearity performance

consisting of a K_LIN^TMRF amplifier, digital step

attenuator (DSA) and a PA driver amplifier. The

K_LIN^TMamplifier maintains the OIP3 and output P1dB

performance over an extended attenuation range

when compared to competitive devices.

Applications

■

Multi-mode, Multi-carrier Transmitters

■

WiMAX and LTE Base Stations

■

UMTS/WCDMA 3G Base Stations

■

PHS/PAS Base Stations

■

Public Safety Infrastructure

Figure 1. Block Diagram

R35DS0037EU0102 Rev.1.02

Feb 16, 2022

Page 1

12 3 4 5 6 7...30

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