122 lines
37 KiB
HTML
122 lines
37 KiB
HTML
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title: defnote
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updated: 2022-01-08 13:54:51Z
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created: 2022-01-08 13:18:00Z
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---
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">
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<div><br /><strong><span style="font-size: 18pt">电源和通信</span></strong>
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</div>
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<div>接头采用9芯J30J带线，2正2地4通信1使能
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</div>
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<div>输入电压上限预计最低30V，因为主要为覆盖常规射频功放的供电电压（28V），根据最终选用DCDC可达60V，
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</div>
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<div>输入防反接措施暂定为采用<del>整流桥</del><span style="text-decoration: line-through; color: rgb(68, 68, 68); font-family: 'Microsoft YaHei', 微软雅黑, Arail; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: nowrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;">YBS3010</span><del>，简单可靠，</del><span style="font-size: 10pt">（</span><span style="font-size: 10pt">整流桥不能解决共地的问题）</span>
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</div>
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<div><span style="font-size: 10pt">直接采用串联二极管</span>
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</div>
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<div>考虑到供电由ACDC供电的情况，输入需要加大滤波力度，暂定为共模滤波器+电容+磁珠+电容的滤波方式
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</div>
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<div>模块使能直接对接DCDC的使能，放弃Pmos开关管
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</div>
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<div>DCDC输出并联二极管钳位，避免DCDC失、高压透传后损毁后级
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</div>
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<div>输入自恢复保险丝位于整流桥前，60V/0.5A，1812封装
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</div>
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<div>
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</div>
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<div>控制线作TVS防护，可加buffer
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</div>
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<div><br />
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</div>
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<div><br />
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</div>
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<div><br />
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</div>
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<div><span style="font-size: 18pt"><strong>外设</strong></span>
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</div>
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<div>
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<div>接头采用18芯J30J不带线，用小板通过FPC连接至主板，减小焊接工作量和错误量
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</div>
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<div><img src="data:image/png;base64,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</div>核心作用是接管功放的各种控制和状态回读，简化干扰系统的设计，主要功能是：
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</div>
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<div>1，对外提供3种电源且带电流检测，12V用于散热风扇，5/3.3V用于扩展外设，如联网模块/传感器供电等
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</div>
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<div>2，对外控制，如PTT、PWM
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</div>
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<div>3，接收外部输入，如PA各种状态回读，FAN使能
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</div>
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<div>4，ADC输入，如电压、电流、温度、湿度传感器的采集
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</div>
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<div><br />
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</div>
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<div><span style="font-size: 18pt"><strong>指示灯</strong></span>
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</div>
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<div>指示灯位于接口侧，
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</div>
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<div>每种功能均有对应的状态指示，V1版如上↑↑↑，加上电源指示仅需15个LED，<span style="text-decoration: line-through;">每行5个共3行，如下：</span>
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</div>
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<div>
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</div>
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<div><span style="text-decoration: line-through;"><span style="font-family: Consolas; font-size: 10pt"></span></span>
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</div>
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<div>
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<div><span style="text-decoration: line-through;"><span style="font-family: Consolas">PWR /PTT /FAN</span></span>
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</div>
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<div><span style="text-decoration: line-through;"><span style="font-family: Consolas">IN1 /IN2 /IN3</span></span>
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</div>
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<div><span style="font-family: Consolas; text-decoration: line-through;">OUT1 /OUT2 /OUT3</span>
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</div>
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<div><span style="font-size: 13.333333015441895px;">总2行每行8个，不然不便于刻字进行标识</span>
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</div>
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<div><span style="font-size: 13.333333015441895px; font-family: Consolas; font-weight: bold;">PWR +12V +5V +3.3 PTT OUT1 OUT2 OUT3</span>
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</div>
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<div><span style="font-size: 13.333333015441895px; font-family: Consolas; font-weight: bold;">IN1 IN2 IN3 FAN ADC1 ADC2 ADC3 ADC4</span>
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</div>
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<div><span style="font-size: 10pt">直驱的话共需要2*15=30个IO口，显然不合理，故需采用<a href="nyf://entry?dbfile=&itemid=83&itemtext=IO%E6%89%A9%E5%B1%95">外扩方式</a>，</span>
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</div>
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<div><span style="font-size: 10pt">本实例采用常用的TM1650（AiP650）数码管驱动器，</span><span style="font-size: 9pt;">便宜，动态驱动可达4*8个LED（16个双色LED）</span>
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</div>
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<div><span style="font-size: small; white-space: nowrap; orphans: 2; widows: 2;">或CH455G，两者引脚不兼容，<span style="font-weight: bold;">455手册详细</span></span>
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</div>
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<div style="orphans: 2; widows: 2;"><span style="font-size: small; white-space: nowrap;">使用时可4个一组，对应数码管的8个段码，共4组</span>
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</div>
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</div>
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<div><span style="font-family: Consolas; font-size: 10pt"></span>
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</div>
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<div>
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</div>
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<div>灯<span style="font-size: small;">采用<span style="font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: nowrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;">Φ3mm</span>红</span>绿双色LED，直插式（SMD需要考虑串光、铝壳开孔等问题），
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</div>
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<div>绿色代表正常/开启，黄色代表告警，红色代表错误，灭代表未开启
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</div>
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<div>LED由MCU控制点亮而不是由外设接口直接点亮，因为接口电平与逻辑状态的对应关系需按实际需求指定
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</div>
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<div>LED小板共4根线，通过FPC或压接互连
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</div>
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<div><br />
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</div>
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<div><span style="font-size: 18pt"><strong>通道合路及后续处理</strong></span>
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</div>
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<div>拟同样采用合路方式，最多四路，VCO输出后衰减20dB后采用电阻合路（带宽不宽，对平坦度影响不大，损耗可通过后级放大器补偿）
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</div>
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<div>合路后拟采用两级MPA放大以达到接近P1dB点
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</div>
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<div>两MPA间接可调衰减器
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</div>
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<div>最后接滤波器滤除谐波
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</div>
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<div><br />
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</div>
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<div><br />
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</div>
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<div><br />
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</div>
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<div><br />
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</div>
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<div><br />
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</div>
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<div><br />
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</div></body></html>
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