WMSIC Electronic Components

SKYWORKS SKY65111-348LF SKY65111

ModelSKY65111-348LF
PackageTQFN-16-EP(3x3)
BrandSKYWORKS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
SKYWORKS SKY65111-348LF
Type
SKYWORKS
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

P1dB
29.5dBm
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
SKYWORKS
Electronic Component
SKY65111-348LF
Electronic Component
40dB
Electronic Component
1
Package
TQFN-16-EP(3x3)
Electronic Component
RFAmplifier
Electronic Component
0.09g
Frequency
600MHz~1.1GHz
Electronic Component
1
Features
Variable Gain; Low Power
Electronic Component
BM0264991534
Operating Voltage
3.5V
Operating Current
250mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SKY65111-348LF 产品概述

一、产品简介

SKY65111-348LF 是 Skyworks 出品的一款高线性宽带功率放大器,覆盖 600 MHz 至 1.1 GHz 频段,封装为 TQFN-16-EP (3x3 mm)。该器件集成偏置控制电路、可变增益控制与低功耗模式,适用于工业、科学与医疗(ISM)以及其它无线射频前端应用。

二、主要参数

  • 频率范围:600 MHz ~ 1.1 GHz
  • 增益:典型 40 dB
  • 工作电压:3.5 V
  • 工作电流:典型 250 mA
  • 输出 1 dB 压缩点(P1dB):29.5 dBm
  • 封装:TQFN-16-EP (3x3 mm)
  • 品牌:Skyworks

三、功能特性

  • 偏置控制电路:内置偏置管理,简化外部电源与偏置设计,提升工作稳定性。
  • 可变增益控制:通过外部控制引脚调节增益,实现动态范围管理与线性化处理。
  • 低功耗模式:支持降低偏置电流的省电模式,适合电池供电或功耗敏感系统。
  • 高线性与高输出功率:40 dB 增益与 29.5 dBm P1dB,在保持线性的同时提供较高输出能力。

四、典型应用场景

  • ISM 频段放大器与中继设备
  • 工业无线通信、遥测与遥控系统
  • 基站前端、小型基站与射频收发模块
  • 无线视频链路与长距传输放大器

五、设计与封装注意要点

  • 热管理:尽管封装体积小,工作电流与输出功率使得热设计重要,建议在 PCB 上使用露铜大焊盘并通过过孔导热至内部地平面。
  • 去耦与电源滤波:在供电引脚附近放置高频与低频去耦电容以保证稳定供电并抑制振荡。
  • 控制引脚驱动:可变增益与低功耗控制电压应按数据手册推荐幅值与上升/下降速率驱动,以防跳变或亚稳态。
  • 输入/输出匹配:器件通常为 50 Ω 系统兼容,但在特定频点仍需按照评估板或应用说明进行微调匹配。

六、性能优势与注意事项

优势:集成度高、频宽宽、线性好、支持动态增益与省电模式,便于系统集成。
注意事项:避免输入过驱导致非线性或损伤;关注封装散热与 PCB 布局,严格按厂商应用说明处理偏置与控脚;测试时需覆盖目标带宽内的互调与相位噪声等指标。

七、总结

SKY65111-348LF 以其宽频带、高增益与可控性,适合要求高线性与稳定输出的 RF 前端场合。合理的偏置、布局与热设计可以充分发挥其 29.5 dBm 输出能力与 40 dB 增益优势,为 ISM 及相关无线应用提供可靠的功率放大方案。若需器件引脚定义、典型电路或 PCB 推荐图,请参考 Skyworks 官方数据手册。

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