20---2500MHz，20W的固态放大器/title> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="chmetcnv" downloadurl=""/>  <style>  </style>  </head> <body lang=ZH-CN link=blue vlink=purple style='tab-interval:21.0pt;text-justify-trim: punctuation'> <div class=Section1 style='layout-grid:15.6pt'> <p class=MsoNormal align=center style='text-align:center;line-height:150%'><span lang=EN-US style='font-size:12.0pt;line-height:150%'><a href="http://www.mwjournal.com/Journal/article.asp?HH_ID=AR_1402">http://www.mwjournal.com/Journal/article.asp?HH_ID=AR_1402</a><o:p></o:p></span></p> <p class=MsoNormal style='line-height:150%'><span lang=EN-US style='font-size: 12.0pt;line-height:150%'><o:p> </o:p></span></p> <p class=MsoNormal align=center style='text-align:center;line-height:150%'><span lang=EN-US style='font-size:16.0pt;line-height:150%'>20---2500MHz</span><span style='font-size:16.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>，</span><span lang=EN-US style='font-size:16.0pt;line-height:150%'>20W</span><span style='font-size:16.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>的固态放大器</span><span lang=EN-US style='font-size:16.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal align=center style='text-align:center;line-height:150%'><i style='mso-bidi-font-style:normal'><span lang=EN-US style='mso-bidi-font-size: 10.5pt;line-height:150%'>1dB</span></i><i style='mso-bidi-font-style:normal'><span style='mso-bidi-font-size:10.5pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>压缩点在</span></i><i style='mso-bidi-font-style:normal'><span lang=EN-US style='mso-bidi-font-size: 10.5pt;line-height:150%'>10W</span></i><i style='mso-bidi-font-style:normal'><span style='mso-bidi-font-size:10.5pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>到</span></i><i style='mso-bidi-font-style:normal'><span lang=EN-US style='mso-bidi-font-size: 10.5pt;line-height:150%'>20W</span></i><i style='mso-bidi-font-style:normal'><span style='mso-bidi-font-size:10.5pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>的全波段</span></i><i style='mso-bidi-font-style:normal'><span lang=EN-US style='mso-bidi-font-size: 10.5pt;line-height:150%'>20---2500MHz</span></i><i style='mso-bidi-font-style: normal'><span style='mso-bidi-font-size:10.5pt;line-height:150%;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，</span></i><i style='mso-bidi-font-style:normal'><span lang=EN-US style='mso-bidi-font-size: 10.5pt;line-height:150%'>20W</span></i><i style='mso-bidi-font-style:normal'><span style='mso-bidi-font-size:10.5pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>的固态放大器介绍</span></i><i style='mso-bidi-font-style:normal'><span lang=EN-US style='mso-bidi-font-size: 10.5pt;line-height:150%'><o:p></o:p></span></i></p> <p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0; line-height:150%'><span lang=EN-US style='font-size:12.0pt;line-height:150%'>-----<span class=SpellE>Aethercomm</span></span><span style='font-size:12.0pt;line-height: 150%;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"'>正在引进一种</span><span lang=EN-US style='font-size:12.0pt; line-height:150%'>20</span><span style='font-size:12.0pt;line-height:150%; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"'>——</span><span lang=EN-US style='font-size:12.0pt; line-height:150%'>2500MHz</span><span style='font-size:12.0pt;line-height:150%; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"'>，单模，功率</span><span lang=EN-US style='font-size:12.0pt; line-height:150%'>20W </span><span style='font-size:12.0pt;line-height:150%; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"'>的超宽带的固态功率放大器。</span><span lang=EN-US style='font-size:12.0pt; line-height:150%'>SSPA 0.020-2.500-20 </span><span style='font-size:12.0pt; line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>型放大器是针对多种不同的平台类型设计制造。美国军方正转向使用基本可以覆盖整个波段的软件无线电，目前该系统主要是利用两个甚至是三个放大器来覆盖</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>20</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>2500MHz</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>的带宽。对于中等功率的需求，这种新的宽带固态放大器可为整个带宽提供了一种单模解决方案。</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal style='line-height:150%'><span lang=EN-US style='font-size: 12.0pt;line-height:150%'><span style='mso-spacerun:yes'> </span></span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>目前工作于这些带宽上的现代电子战系统，通常采用激励源驱动多级功放来满足系统要求。这种新的固态八级放大器可以代替现有系统中的两个或三个功放，且直流功耗仅相当于原来的一个功放，从而使系统体积更小，直流功耗更低。</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal style='line-height:150%'><span lang=EN-US style='font-size: 12.0pt;line-height:150%'><span style='mso-spacerun:yes'> </span></span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>这种放大器的实际应用领域非常广泛。它可以应用在任何要求高功率、增益平坦及整个工作频带线性度高的系统中。这种放大器还可以应用于测试设备、通信系统或实验室中的一般应用。这种放大器的生产工艺使得它极其耐用，无论是地面车辆、有遮蔽或无遮蔽的船舶还是有人或无人的空运工具上，它都可以进行应用。</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal style='line-height:150%'><span lang=EN-US style='font-size: 12.0pt;line-height:150%'><span style='mso-spacerun:yes'> </span><b style='mso-bidi-font-weight:normal'><span style='mso-spacerun:yes'> </span></b></span><b style='mso-bidi-font-weight: normal'><span style='font-size:12.0pt;line-height:150%;font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>宽带上的高性能</span></b><b style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:12.0pt; line-height:150%'><o:p></o:p></span></b></p> <p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0; line-height:150%'><span style='font-size:12.0pt;line-height:150%;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>这种超宽带放大器可覆盖了从</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>20</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>到</span><st1:chmetcnv UnitName="m" SourceValue="2500" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><span lang=EN-US style='font-size:12.0pt;line-height:150%'>2500M</span></st1:chmetcnv><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>的带宽，在整个带宽内具有高增益、高功率、增益响应极其平坦，输出截止功率（</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>OIP3</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>）高。在一般的设计中，遇到的最大困难在于获得满足指标的低频响应，而低频响应的设计通常需要亚铁盐的设备来获得。新型放大器的设计能够轻易平衡高频端和低频端，同时获得所需的高功率和平坦增益。</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0; line-height:150%'><span lang=EN-US style='font-size:12.0pt;line-height:150%'>SSPA</span><span lang=EN-US>0.020-2.500-20</span><span style='font-size:12.0pt;line-height:150%; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"'>宽带放大器是为了环境恶劣的军事应用而设计，它的工作电压为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>+28V</span><span style='font-size: 12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>直流电压。在</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>+28V</span><span style='font-size: 12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>的直流工作电压下，它的静态电流约为</span><st1:chmetcnv UnitName="a" SourceValue="5" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><span lang=EN-US style='font-size:12.0pt;line-height:150%'>5A</span></st1:chmetcnv><span lang=EN-US style='font-size:12.0pt;line-height:150%'>,</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>在有负载驱动时，电流将达到约</span><st1:chmetcnv UnitName="a" SourceValue="6" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><span lang=EN-US style='font-size:12.0pt;line-height:150%'>6A</span></st1:chmetcnv><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。在输出功率达到饱和时，在大多数频带内该宽带放大器的效率的典型值为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>10~15%</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。表</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>1</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>列出了该射频放大器的性能。</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal align=center style='text-align:center;text-indent:21.0pt; mso-char-indent-count:2.0;line-height:150%'><span lang=EN-US><a href="javascript:void(0);"><span style='text-decoration:none;text-underline: none'><![if !vml]><img border=0 width=248 height=138 src="1402.files/image002.jpg" v:shapes="_x0000_i1025"><![endif]></span></a></span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0; line-height:150%'><span style='font-size:12.0pt;line-height:150%;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>该射频放大器在所覆盖的频带内性能是非常优良的。</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体'>在±</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>2.5dB</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>的典型增益平坦度内，其增益为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>45</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>50dB</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>，如果需要，增益平坦度可以做的更高。在绝大多数的带宽内，其</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>1dB</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>压缩点（</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>P1dB</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>）</span><span style='font-size:12.0pt;line-height:150%'> </span><span style='font-size:12.0pt; line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>41</span><span style='font-size:12.0pt; line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>43dBm</span><span style='font-size: 12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>，其饱和输出功率（</span><span class=SpellE><span lang=EN-US style='font-size:12.0pt;line-height:150%'>PSat</span></span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>42</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>44dBm</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。用来表征该放大器线性的度量值为其输出截止功率</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>(OIP3)</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。本放大器大部分频带上，输出截止功率的典型值为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>51</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>53dBm</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。超宽带放大器另外一个重要的参数为带内谐波。</span><span class=SpellE><span lang=EN-US style='font-size:12.0pt;line-height:150%'>Aethercomm</span></span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>公司的方案在</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>1dB</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>压缩点内，带内二次和三次谐波为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>-20dBc</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。图</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>1</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>描绘了该放大器的性能曲线。在小信号范围内该单元的典型噪声指数为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>8.0dB</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。最大的输入和输出驻波比（</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>VSWR</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>）为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>2.0</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0; line-height:150%'><span lang=EN-US style='font-size:12.0pt;line-height:150%'>SSPA0.020-2.500-20</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>放大器满足许多标准，并具有自我保护的特点，这些特征使它在所要求的环境中工作得更顽健。这种放大器具有过电压保护和低电压锁定的能力。正负极反接保护是被这个放大器作为标准功能。保护功能还可防止了损坏的电缆或天线在射频输出接口形成的开路或短路对射频模块的损害。放大器内置直流消隐功能，可以在最大</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>5000ns</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>间隔内关闭射频器件。当有接收机与功放连接或电子战系统需要“间隔探测</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>”</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>功能时，此功能将会开启。待机模式下，放大器最大电流</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>100mA<o:p></o:p></span></p> <p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0; line-height:150%'><span style='font-size:12.0pt;line-height:150%;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>放大器包装在</span><st1:chmetcnv UnitName="英寸" SourceValue="10" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><span lang=EN-US style='font-size:12.0pt;line-height:150%'>10</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>英寸</span></st1:chmetcnv><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>宽，</span><st1:chmetcnv UnitName="英寸" SourceValue="12" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><span lang=EN-US style='font-size:12.0pt;line-height:150%'>12</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>英寸</span></st1:chmetcnv><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>长、</span><st1:chmetcnv UnitName="英寸" SourceValue="1.5" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><span lang=EN-US style='font-size:12.0pt;line-height:150%'>1.5</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>英寸</span></st1:chmetcnv><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>高的一个模件箱内。放大器的典型重量为</span><st1:chmetcnv UnitName="磅" SourceValue="7.5" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><span lang=EN-US style='font-size:12.0pt;line-height:150%'>7.5</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>磅</span></st1:chmetcnv><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。输入输出</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>RF</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>连接器是阴型</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>SMA</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>接口。直流和命令</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>/</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>控制功能通过直流穿心电容耦合至放大器内部。</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><o:p></o:p></span></p> <p class=MsoNormal style='line-height:150%'><b style='mso-bidi-font-weight: normal'><span style='font-size:12.0pt;line-height:150%;font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>结论</span></b><b style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:12.0pt; line-height:150%'><o:p></o:p></span></b></p> <p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0; line-height:150%'><span class=SpellE><span lang=EN-US style='font-size:12.0pt; line-height:150%'>Aethercomm</span></span><span style='font-size:12.0pt; line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>公司已经成功地生产了一种</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>20</span><span style='font-size:12.0pt; line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>2500MHz</span><span style='font-size: 12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>，</span><span style='font-size:12.0pt; line-height:150%'> <span lang=EN-US>1dB</span></span><span style='font-size: 12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>压缩点在</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>10</span><span style='font-size:12.0pt; line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>20W</span><span style='font-size: 12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>的全频带固态射频放大器。在整个通带内，饱和输出功率为</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>15W </span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>到</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'>30W</span><span style='font-size:12.0pt;line-height:150%;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"'>。目前既可以小批量又可以大批量生产。另外，输出功率还可以做到更大。要了解更多情况，请发邮件至：</span><span lang=EN-US style='font-size:12.0pt;line-height:150%'><a href="mailto:sales@aethercomm.com">sales@aethercomm.com</a>.<o:p></o:p></span></p> <p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p> </div> </body> </html>