WMSIC Electronic Components

Mini-Circuits PHA-13LN+

ModelPHA-13LN+
PackageSOT-89-4
BrandMini-Circuits
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Mini-Circuits PHA-13LN+
Type
MINI-CIRCUITS
Unit
Electronic Component
Minimum package
1000 编带

Technical parameters

IP3
39dBm
P1dB
24.5dBm
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MINI-CIRCUITS
Electronic Component
PHA-13LN+
Electronic Component
20.1dB
Electronic Component
1
Package
SOT-89-4
Electronic Component
RFAmplifier
Electronic Component
0.178g
Frequency
1MHz~1GHz
Electronic Component
1
Features
Linear
Electronic Component
BM0264771099
Noise Figure
1.2dB

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

PHA-13LN+ 产品概述

一、产品概览

PHA-13LN+ 是 Mini-Circuits 推出的一款宽带线性化射频放大器(MMIC),采用 SOT-89-4 表面贴装封装,工作频率覆盖 1 MHz 到 1 GHz,面向要求低噪声、高增益和优秀线性指标的射频前端与中频放大应用。器件在常温到工业级温度范围(-40℃ 至 +105℃)内可靠工作,适合集成到空间受限且需良好散热设计的板级放大模块中。

二、主要电气性能

  • 频率范围:1 MHz ~ 1 GHz
  • 小信号增益:20.1 dB(典型)
  • 噪声系数(NF):1.2 dB(典型)——适合低噪声前置放大器应用
  • 工作电压:支持 3 V 与 5 V 供电(应根据具体应用选择偏置点)
  • 工作电流:典型 138.9 mA(常见于 5 V 偏置条件)
  • P1dB(输出 1 dB 压缩点):24.5 dBm
  • 互调三阶点(IP3):39 dBm(优良的线性度)
  • 输入回波损耗(S11):17.9 dB(良好输入匹配)
  • 输出回波损耗(S22):23.9 dB(良好输出匹配)

这些指标表明 PHA-13LN+ 在带宽内具有平坦的增益、非常低的噪声以及出色的线性度,能够在多载波或高动态范围环境下保持信号完整性。

三、线性化设计与实际性能

PHA-13LN+ 的线性化设计令其在处理高功率或多信号环境时表现更好:高 IP3(39 dBm)与较高的 P1dB(24.5 dBm)一并表征了器件优越的线性动态范围,能有效降低互调失真与交调产物,适用于需要高线性度的中继/增益块、驱动放大器或系统前端。与此同时,低噪声系数(1.2 dB)保证了信号链的灵敏度,适合用作接收链的前置放大器或低噪放大单元。

四、封装、热特性与布局建议

PHA-13LN+ 采用 SOT-89-4 小封装,优点是体积小、便于表面贴装,但热阻相对较高。建议在 PCB 设计时注意以下几点以确保稳定工作与长期可靠性:

  • 在器件底部与周围布置充足的铜箔(散热垫)并通过多层过孔与内层铜铺平衡热量;
  • 对电源引脚进行充分退耦(靠近器件放置高频旁路电容与低频旁路大电容);
  • 输出/输入端考虑适当的 DC 封闭/旁路元件以及带宽匹配网络,但鉴于器件本身匹配良好,通常无需复杂的外部匹配;
  • 在高环境温度或连续高功率输出工况下,应评估结温并适当降额使用。

五、典型应用场景

  • 无线基站的中低频段驱动放大/前置放大器;
  • 有线电视、宽带接入与中继放大器;
  • 仪器仪表中的低噪接收前端或信号链增益块;
  • 工业/科学/医疗(ISM)频段放大,宽带通信与测试系统;
  • 任何对低噪声、高增益与良好线性有综合需求的射频前端。

六、使用建议与注意事项

  • 推荐在设计初期确认供电电压与偏置点:若以 5 V 工作,典型电流约为 138.9 mA,耗散功率约 0.7 W;若以 3 V 工作,功耗将相应降低,但需验证增益与线性在目标频段的满足性。
  • 为保证稳定性,建议在输入侧和输出侧保留适量隔离/衰减空间(可用小电感或阻尼网络)以防止寄生振荡。
  • 对于强信号场合,评估输入级可能的压缩与保护需求,必要时在输入端加限幅或可恢复保护电路。
  • 在敏感接收链中使用时,注意整体链路的噪声系数计算与系统增益分配,避免之后级过驱导致动态范围恶化。

七、总结

PHA-13LN+ 为需要在宽频带内同时兼顾低噪声、高增益与高线性的射频放大场合提供了紧凑且性能优异的解决方案。其 1 MHz–1 GHz 的覆盖使之适用面广,SOT-89-4 封装有利于小型化设备集成,但对散热与偏置管理提出了更高要求。对设计人员而言,合理的 PCB 散热布局、规范的供电旁路以及必要的输入保护与稳定措施,能够充分发挥该器件在实际系统中的性能优势。若需进一步的 S 参数、偏置电路原理图或评估板资料,建议参考 Mini-Circuits 原厂手册或联系供应商获取评估套件。

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