Group 1 - The company Chengdu Huami (688709) recently hosted over ten institutional investors for on-site visits and research on June 18 [1] - The company has voluntarily disclosed two new products: a 4-channel 12-bit 16G high-precision RF direct sampling ADC chip and an 8-bit 64G ultra-high-speed AD converter, both of which are self-designed and fully autonomous [1] - The 8-bit 64G ultra-high-speed AD converter features a low bit error rate, supports DC input, and has radiation resistance, making it suitable for applications in aerospace, aviation, detection, perception, wireless communication, laser communication, satellite communication, high-end instruments, and 6G star communication [1] Group 2 - The 4-channel 12-bit 16G high-precision RF direct sampling ADC chip is equipped with the HWD6952 clock chip, supporting up to 10 clock channels and synchronous sampling of up to 8 HWD12B16GA4 ADCs, with applications in radar and electronic countermeasures, 6G wireless communication, optical communication, high-end medical devices, high-end instruments, and drones [1] - The company is advancing in three areas: ultra-large-scale FPGA, high-performance AD/DA conversion chips, and embedded SoC and MCU, aiming to provide a series of low-cost, low-power, compact, and highly reliable SiP, modules, and board-level domestic system solutions [2] - This strategy is intended to create a product ecosystem for signal processing and control within Chengdu Huami [2]

Core Viewpoint - Chengdu Huamei has officially launched a fully autonomous, forward-designed 4-channel, 12-bit high-speed, high-precision A/D converter, setting a new benchmark for domestic high-speed, high-precision ADCs and achieving a technological breakthrough in RF direct sampling high-speed ADC chips [1] Company Summary - The newly released product surpasses various core indicators of both domestic and international counterparts [1] - The product is widely applicable in fields such as phased array radar, wireless communication, high-end instruments, and electronic devices, garnering significant attention from the industry [1] Industry Summary - The launch of this product defines a new industry standard for domestic high-speed, high-precision ADCs [1] - The technological advancements represented by this product are expected to influence the competitive landscape within the ADC market [1]

技术水平方面，该芯片单通道支持采样率 6~16GSPS 可配置，输入模拟带宽 高达 10GHz，噪声谱密度低至-154dBFs/Hz，无杂散动态范围在 8GHz 以内高达 60dB 以上，输出采用 32 对 JESD204C 高速串行接口，支持芯片内和芯片间多通 道同步功能。配套的时钟芯片 HWD6952，支持最多 10 个时钟通道扇出。输入 时钟频率范围 100MHz~500MHz；输出时钟频率范围 10MHz~17GHz；时钟抖动 低至 40fs；最多可支持 8 片 HWD12B16GA4 型 ADC 同步采样。 证券代码：688709 证券简称：成都华微 公告编号：2025-018 成都华微电子科技股份有限公司 关于自愿披露发布 4 通道 12 位 16G 高速高 精度射频直采 ADC 芯片的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 成都华微电子科技股份有限公司（以下简称"公司"）研发的多通道高速高 精度射频直采 ADC（模数转换器）及配套时钟芯片于近日成功发布。现将相关 事项公告如下： 一、新产品的基本 ...

本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 成都华微电子科技股份有限公司（以下简称"公司"）研发的多通道高速高 精度射频直采 ADC（模数转换器）及配套时钟芯片于近日成功发布。现将相关 事项公告如下： 证券代码：688709 证券简称：成都华微 公告编号：2025-018 成都华微电子科技股份有限公司 关于自愿披露发布 4 通道 12 位 16G 高速高 精度射频直采 ADC 芯片的公告 市场推广方面，该芯片及配套时钟芯片产品是模拟与数字系统接口的关键部 件，可广泛应用于雷达与电子对抗、6G 无线通信、光通信、高端医疗设备、高 端仪器仪表、无人机等领域，是未来应用前景广阔的核心元器件。 二、对公司的影响 HWD12B16GA4型射频直采 ADC 及其配套时钟芯片的成功发布是公司持续 技术创新和市场拓展的重要节点。未来，公司将继续坚持自主创新，不断推出更 多具有自主知识产权的创新产品，以满足客户对高性能、高可靠性集成电路的需 求，推动国内高速高精度模数转换器领域的发展。 三、风险提示 本次公司推出的 HWD12B16GA ...

成都华微公告，公司研发的多通道高速高精度射频直采ADC（模数转换器）及配套时钟芯片于近日成 功发布。公司研发的HWD12B16GA4型射频直采ADC是一款4通道、12位16GSPS高速高精度射频直采 A/D转换器，全流程自主安全，标志着公司在高速高精度数据转换器 芯片领域取得了重大突破，其超高 性能和集成度为国内，可比肩国际先进水平。市场推广方面，该芯片及配套时钟芯片产品是模拟与数字 系统接口的关键部件，可广泛应用于雷达与 电子对抗、 6G无线 通信、 光通信、高端医疗设备、高端 仪器仪表、 无人机等领域，是未来应用前景广阔的核心 元器件。 ...

Meeting Overview - The annual shareholders' meeting of Chengdu Huamei Electronics Technology Co., Ltd. was held on May 30, 2025, at the company's conference room [2] - The meeting was convened by the board of directors and utilized a combination of on-site and online voting methods [2] - The meeting was presided over by Mr. Wang Ce, as the chairman was unable to attend [2] Attendance - All 7 current directors attended the meeting, along with all 3 current supervisors [3] - The board secretary, Ms. Li Chunyan, and other senior management personnel were also present [4] Resolutions Passed - The following resolutions were approved during the meeting: 1. 2024 Annual Board Work Report [5] 2. 2024 Annual Supervisory Board Work Report [5] 3. 2024 Annual Report and Summary [6] 4. 2024 Financial Settlement Report [6] 5. 2025 Financial Budget Report [6] 6. 2024 Profit Distribution Plan [6] 7. 2025 Expected Routine Related Transactions [6] 8. 2025 Director Remuneration [6] 9. 2025 Supervisor Remuneration [7] 10. Election of Non-Independent Directors [7] 11. Election of Independent Directors [7] Voting and Legal Compliance - All resolutions were ordinary resolutions and received more than half of the valid voting shares [8] - Related shareholders abstained from voting on certain resolutions to ensure fairness [8] - The meeting was witnessed by Beijing Zhonglun Law Firm, confirming that the procedures complied with relevant laws and regulations [9]

Meeting Overview - The shareholders' meeting of Chengdu Huamei Electronics Technology Co., Ltd. was held on May 30, 2025, at the company's conference room in Chengdu [1]. - A total of 110 ordinary shareholders attended the meeting, representing 532,257,353 voting rights, which accounts for 83.5769% of the company's total voting rights [1]. Voting Results - All proposed resolutions were approved during the meeting, with the voting results showing overwhelming support from ordinary shareholders [1][2]. - The voting breakdown for one of the resolutions indicated that 532,076,682 votes (99.9660%) were in favor, while only 165,489 votes (0.0310%) were against, and 15,182 votes (0.0030%) were abstentions [1][2]. Attendance and Legal Compliance - The meeting was chaired by a director due to the absence of the chairman, and the procedures followed were in compliance with the Company Law and the company's articles of association [1]. - The presence of the board secretary and other senior management personnel was noted, ensuring that the meeting was conducted with proper oversight [1]. Legal Witness - The meeting was witnessed by lawyers Xu Kun and Xu Famin, confirming that the procedures and voting results were legally valid and in accordance with relevant laws and regulations [3].

法律意见书 二〇二五年五月 北京 • 上海 • 深圳 • 广州 • 武汉 • 成都 • 重庆 • 青岛 • 杭州 • 南京 • 海口 • 东京 • 香港 • 伦敦 • 纽约 • 洛杉矶 • 旧金山 • 阿拉木图 Beijing • Shanghai • Shenzhen • Guangzhou • Wuhan • Chengdu • Chongqing • Qingdao • Hangzhou • Nanjing • Haikou • Tokyo • Hong Kong • London • New York • Los Angeles • San Francisco • Almaty 北京市中伦律师事务所 关于成都华微电子科技股份有限公司 2024 年年度股东会的 北京市中伦律师事务所 关于成都华微电子科技股份有限公司 2024 年年度股东会的 法律意见书 致：成都华微电子科技股份有限公司 北京市中伦律师事务所（以下简称"本所"）接受成都华微电子科技股份有 限公司（以下简称"公司"）委托，指派本所律师列席公司 2024 年年度股东会， 并出具本法律意见书。 为出具本法律意见书，本所律师列席了公司 2024 ...

证券代码：688709 证券简称：成都华微 公告编号：2025-017 成都华微电子科技股份有限公司 2024年年度股东会决议公告 本公司董事会及全体董事保证公告内容不存在任何虚假记载、误导性陈述或 者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 重要内容提示： 本次会议是否有被否决议案：无 一、 会议召开和出席情况 （一） 股东会召开的时间：2025 年 5 月 30 日 （二） 股东会召开的地点：成都华微电子科技股份有限公司 2205 会议室（成都 市高新区益州大道中段 1800 号天府软件园 G 区 G1 楼 22 层） （五） 公司董事、监事和董事会秘书的出席情况 董事会秘书李春妍女士出席了本次会议；公司其他高级管理人员列席会议。 二、 议案审议情况 （一） 非累积投票议案 1、 议案名称：关于《2024 年度董事会工作报告》的议案 审议结果：通过 表决情况： | 股东类型 | | 同意 | | 反对 | | 弃权 | | | --- | --- | --- | --- | --- | --- | --- | --- | | | 票数 | | 比例 | 票数 | 比例 | 票数 | ...

成都华微电子科技股份有限公司 2024 年年度股东会会议资料 证券简称：成都华微 证券代码：688709 成都华微电子科技股份有限公司 2024 年年度股东会 会 议 资 料 二〇二五年五月 1 成都华微电子科技股份有限公司 2024 年年度股东会会议资料 目 录 | 2024 | 年年度股东会会议须知 | 3 | | | --- | --- | --- | --- | | 2024 | 年年度股东会会议议程 | 6 | | | 2024 | 年年度股东会会议议案 | 8 | | | 议案一：关于《2024 | | 年度董事会工作报告》的议案 | 8 | | 议案二：关于《2024 | | 年度监事会工作报告》的议案 | 17 | | 议案三：关于 | 2024 | 年年度报告及摘要的议案 | 22 | | 议案四：关于《2024 | | 年度财务决算报告》的议案 | 23 | | 议案五：关于《2025 | | 年度财务预算报告》的议案 | 31 | | 议案六：关于 | 2024 | 年度利润分配方案的议案 | 34 | | 议案七：关于 | 2025 | 年度日常性关联交易预计的议案 | 35 | | ...