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        <dc:date>2026-02-09T14:02:29+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>电赛模块 - [12. 控制算法模块类 (6个)] </title>
        <link>https://wiki.stepfpga.com/%E7%94%B5%E8%B5%9B%E6%A8%A1%E5%9D%97?rev=1770616949&amp;do=diff</link>
        <description>1 微控制器(10个)

	*  STM32G031最小系统模块
		*  功能描述: ARM Cortex-M0+核心，48MHz主频，适合大多数控制应用
		*  推荐元器件: STM32G031G8U6, AMS1117-3.3V, 12MHz晶振, 32.768KHz晶振
		*  应用场景: 基础控制类题目

	*  STM32F407核心模块
		*  功能描述: ARM Cortex-M4核心，168MHz主频，带FPU和DSP指令</description>
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        <dc:date>2026-01-19T22:00:12+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>仪表放大器模块</title>
        <link>https://wiki.stepfpga.com/%E4%BB%AA%E8%A1%A8%E6%94%BE%E5%A4%A7%E5%99%A8%E6%A8%A1%E5%9D%97?rev=1768831212&amp;do=diff</link>
        <description>仪表放大器模块

1. 描述

仪表放大器模块是一款基于高精度仪表放大器芯片（INA128/AD620）设计的专业模拟信号调理模块。该模块具有超高输入阻抗、极低失调电压、优异的共模抑制比和低噪声特性，专门用于放大微弱差分信号。模块集成了增益可调、偏移校正、输出滤波等功能，广泛应用于传感器信号调理、生物医学测量、应变计放大、热电偶信号处理等精密测量场合，是高精度数据采集系统的核心组件。…</description>
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        <dc:date>2026-01-19T21:56:04+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>低速数传无线模块</title>
        <link>https://wiki.stepfpga.com/%E4%BD%8E%E9%80%9F%E6%95%B0%E4%BC%A0%E6%97%A0%E7%BA%BF%E6%A8%A1%E5%9D%97?rev=1768830964&amp;do=diff</link>
        <description>OOK/ASK 低速数传无线模块（315/433MHz）

1. 模块描述：

最常用“快搭链路”，适合遥测遥控、编码/同步/抗干扰（Manchester、CRC、重发）。

2. 原理：

基带数据 → OOK/ASK 调制 → SAW/匹配/天线；接收端超再生/超外差 → 数据整形 → 解码。</description>
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        <dc:date>2026-01-19T21:54:46+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>调制解调实验链路模块</title>
        <link>https://wiki.stepfpga.com/%E8%B0%83%E5%88%B6%E8%A7%A3%E8%B0%83%E5%AE%9E%E9%AA%8C%E9%93%BE%E8%B7%AF%E6%A8%A1%E5%9D%97?rev=1768830886&amp;do=diff</link>
        <description>AM/DSB/SSB（或 VSB）调制解调实验链路模块（中频/音频载波）

1. 模块描述：

面向“调幅信号处理/同步解调/滤波选择性”的题型，强调包络检波 vs 相干解调、载波恢复与带宽占用。

2. 原理：</description>
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        <dc:date>2026-01-19T21:51:30+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>通用运算放大器模块</title>
        <link>https://wiki.stepfpga.com/%E9%80%9A%E7%94%A8%E8%BF%90%E7%AE%97%E6%94%BE%E5%A4%A7%E5%99%A8%E6%A8%A1%E5%9D%97?rev=1768830690&amp;do=diff</link>
        <description>通用运算放大器模块

1. 模块描述

提供一个“万能模拟积木”：可做放大、滤波、缓冲、比较（不推荐用运放当比较器）、积分/微分、偏置/电平移位、单端↔差分转换等。

2. 原理

基于运放的负反馈：</description>
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        <dc:date>2026-01-19T21:03:31+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>窄带fm语音无线收发模块 - [典型元器件：] </title>
        <link>https://wiki.stepfpga.com/%E7%AA%84%E5%B8%A6fm%E8%AF%AD%E9%9F%B3%E6%97%A0%E7%BA%BF%E6%94%B6%E5%8F%91%E6%A8%A1%E5%9D%97?rev=1768827811&amp;do=diff</link>
        <description>窄带FM语音无线收发模块（VHF/低 IF）

模块描述：

实现一路/双路语音的短距无线传输；重点在载波频率准确度、频偏、失真、距离与抗干扰。

原理：

语音预加重/限幅 → VCO/PLL 产生载波 → FM 调制（频偏）→ 功放/匹配/天线；接收端 RF 前端 → 混频/IF → FM 解调（鉴频/PLL）→ 去加重/功放。</description>
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        <dc:date>2026-01-19T00:06:38+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>电力线载波_plc_传输模块 - 创建</title>
        <link>https://wiki.stepfpga.com/%E7%94%B5%E5%8A%9B%E7%BA%BF%E8%BD%BD%E6%B3%A2_plc_%E4%BC%A0%E8%BE%93%E6%A8%A1%E5%9D%97?rev=1768752398&amp;do=diff</link>
        <description>电力线载波 PLC 传输模块（低压线耦合通信）

模块描述：用“电源线”当信道，适合“无需额外布线”的联网/控制；难点在耦合与强干扰环境下的可靠性。

原理：FSK/OFDM（视芯片体制）→ 耦合变压器/电容把高频注入电力线 → 对端耦合取出 → 解调；需浪涌/EMI/隔离设计。</description>
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    <item rdf:about="https://wiki.stepfpga.com/%E7%9F%AD%E8%B7%9D%E6%A8%A1%E6%8B%9F%E8%A7%86%E9%A2%91%E6%97%A0%E7%BA%BF%E4%BC%A0%E8%BE%93%E9%93%BE%E8%B7%AF%E6%A8%A1%E5%9D%97?rev=1768752363&amp;do=diff">
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        <dc:date>2026-01-19T00:06:03+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>短距模拟视频无线传输链路模块 - 创建</title>
        <link>https://wiki.stepfpga.com/%E7%9F%AD%E8%B7%9D%E6%A8%A1%E6%8B%9F%E8%A7%86%E9%A2%91%E6%97%A0%E7%BA%BF%E4%BC%A0%E8%BE%93%E9%93%BE%E8%B7%AF%E6%A8%A1%E5%9D%97?rev=1768752363&amp;do=diff</link>
        <description>短距模拟视频无线传输链路模块（FPV/5.8G 或 2.4G）

模块描述：面向“短距视频信号无线通信网络/图传链路”类题；关键是带宽、时延、抗干扰与网络组织方式。

原理：摄像头输出 CVBS → FM/AM 视频调制（常见为模拟 FM 图传体制）→ 射频发射；接收端 → 解调出 CVBS → 显示/采集。</description>
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    <item rdf:about="https://wiki.stepfpga.com/%E8%B6%85%E5%A3%B0/%E9%9F%B3%E9%A2%91%E7%A9%BA%E6%B0%94%E5%A3%B0%E9%80%9A%E4%BF%A1%E6%A8%A1%E5%9D%97?rev=1768752336&amp;do=diff">
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        <dc:date>2026-01-19T00:05:36+08:00</dc:date>
        <dc:creator>gongyu</dc:creator>
        <title>超声:音频空气声通信模块 - 创建</title>
        <link>https://wiki.stepfpga.com/%E8%B6%85%E5%A3%B0/%E9%9F%B3%E9%A2%91%E7%A9%BA%E6%B0%94%E5%A3%B0%E9%80%9A%E4%BF%A1%E6%A8%A1%E5%9D%97?rev=1768752336&amp;do=diff</link>
        <description>超声/音频空气声通信模块（FSK/PSK/Chirp）

模块描述：把“声道”当信道做通信（可在可听/超声频段），常见于“声学链路/抗干扰/识别”类题的延伸。

原理：基带 → FSK/Chirp → DAC/PWM → 功放 → 换能器；接收端麦克风/超声接收 → 前放/带通 → ADC → 同步检测/解调。</description>
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        <dc:date>2025-01-03T14:47:30+08:00</dc:date>
        <dc:creator>zhijun</dc:creator>
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