[问答]

LMX2595EVM焊接后的成品相噪没有达到EVM板的水准怎么处理？

654 DD

问答对人有帮助，内容完整，我也想知道答案 0 你好，我们在按照LMX2595EVM板进行了一个信号源的设计时，原理图参考EVM板设计，但是在焊接时由于工作人员操作水平较低，导致焊接后的成品相噪没有达到EVM板的水准，请问，焊接工艺有何建议，后者在不规范的焊接工艺下有没有什么调整可以弱化焊接做相噪带来的恶化。（补焊人员已经崩溃类目）。 weibo.com/ttarticle/p/show?id=2309405100948438515855 weibo.com/ttarticle/p/show?id=2309405100948837236856 weibo.com/ttarticle/p/show?id=2309405100948556218448 weibo.com/ttarticle/p/show?id=2309405100948581384425 weibo.com/ttarticle/p/show?id=2309405100948795294104 weibo.com/ttarticle/p/show?id=2309405100948497235983 weibo.com/ttarticle/p/show?id=2309405100948283588836 weibo.com/ttarticle/p/show?id=2309405100948656619596 weibo.com/ttarticle/p/show?id=2309405100948753351129 weibo.com/ttarticle/p/show?id=2309405100948719796398 weibo.com/ttarticle/p/show?id=2309405100948736573949 weibo.com/ttarticle/p/show?id=2309405100948287783138 weibo.com/ttarticle/p/show?id=2309405100948606550382 weibo.com/ttarticle/p/show?id=2309405100948686241931 weibo.com/ttarticle/p/show?id=2309405100948640104658 weibo.com/ttarticle/p/show?id=2309405100948702756971 weibo.com/ttarticle/p/show?id=2309405100948707213755 weibo.com/ttarticle/p/show?id=2309405100948367474816 weibo.com/ttarticle/p/show?id=2309405100948602093576 weibo.com/ttarticle/p/show?id=2309405100948551762043 weibo.com/ttarticle/p/show?id=2309405100948539441182 weibo.com/ttarticle/p/show?id=2309405100948531052798 weibo.com/ttarticle/p/show?id=2309405100948501692711 weibo.com/ttarticle/p/show?id=2309405100948543635679 weibo.com/ttarticle/p/show?id=2309405100948488847507 weibo.com/ttarticle/p/show?id=2309405100948295909381 weibo.com/ttarticle/p/show?id=2309405100948505624697 weibo.com/ttarticle/p/show?id=2309405100948442972660 weibo.com/ttarticle/p/show?id=2309405100948468138392 weibo.com/ttarticle/p/show?id=2309405100947876479141 weibo.com/ttarticle/p/show?id=2309405100948220411972 weibo.com/ttarticle/p/show?id=2309405100948401029278 weibo.com/ttarticle/p/show?id=2309405100948346503204 weibo.com/ttarticle/p/show?id=2309405100948430389555 weibo.com/ttarticle/p/show?id=2309405100948392640814 weibo.com/ttarticle/p/show?id=2309405100948342309190 weibo.com/ttarticle/p/show?id=2309405100948354891938 weibo.com/ttarticle/p/show?id=2309405100948338114916 weibo.com/ttarticle/p/show?id=2309405100948082262281 weibo.com/ttarticle/p/show?id=2309405100947776078140 weibo.com/ttarticle/p/show?id=2309405100948258423079 weibo.com/ttarticle/p/show?id=2309405100948132593863 weibo.com/ttarticle/p/show?id=2309405100948229062862 weibo.com/ttarticle/p/show?id=2309405100948124205100 weibo.com/ttarticle/p/show?id=2309405100948241645693 weibo.com/ttarticle/p/show?id=2309405100948182925517 weibo.com/ttarticle/p/show?id=2309405100947725746307 weibo.com/ttarticle/p/show?id=2309405100948186857513 weibo.com/ttarticle/p/show?id=2309405100948203897013 weibo.com/ttarticle/p/show?id=2309405100948237189171 weibo.com/ttarticle/p/show?id=2309405100947998376300 weibo.com/ttarticle/p/show?id=2309405100948099039387 weibo.com/ttarticle/p/show?id=2309405100948086456463 weibo.com/ttarticle/p/show?id=2309405100948136788293 weibo.com/ttarticle/p/show?id=2309405100947725746462 weibo.com/ttarticle/p/show?id=2309405100948111360135 weibo.com/ttarticle/p/show?id=2309405100948065222683 weibo.com/ttarticle/p/show?id=2309405100947667026048 weibo.com/ttarticle/p/show?id=2309405100948061028431 weibo.com/ttarticle/p/show?id=2309405100943724380245 weibo.com/ttarticle/p/show?id=2309405100947906101642 weibo.com/ttarticle/p/show?id=2309405100948036124696 weibo.com/ttarticle/p/show?id=2309405100947939655777 weibo.com/ttarticle/p/show?id=2309405100948031930414 weibo.com/ttarticle/p/show?id=2309405100947981599141 weibo.com/ttarticle/p/show?id=2309405100948014891018 weibo.com/ttarticle/p/show?id=2309405100947788398753 weibo.com/ttarticle/p/show?id=2309405100947981598917 weibo.com/ttarticle/p/show?id=2309405100947948044504 weibo.com/ttarticle/p/show?id=2309405100947830604084 weibo.com/ttarticle/p/show?id=2309405100947931267399 weibo.com/ttarticle/p/show?id=2309405100947927073046 weibo.com/ttarticle/p/show?id=2309405100947931267311 weibo.com/ttarticle/p/show?id=2309405100947931267200 weibo.com/ttarticle/p/show?id=2309405100947797049492 weibo.com/ttarticle/p/show?id=2309405100947880673345 weibo.com/ttarticle/p/show?id=2309405100947880935522 weibo.com/ttarticle/p/show?id=2309405100947893256210 weibo.com/ttarticle/p/show?id=2309405100947880935462 weibo.com/ttarticle/p/show?id=2309405100947776078202 weibo.com/ttarticle/p/show?id=2309405100947838730303 weibo.com/ttarticle/p/show?id=2309405100947239207572 weibo.com/ttarticle/p/show?id=2309405100947830603903 weibo.com/ttarticle/p/show?id=2309405100947658637499 weibo.com/ttarticle/p/show?id=2309405100947826409657 weibo.com/ttarticle/p/show?id=2309405100947780009997 weibo.com/ttarticle/p/show?id=2309405100947725746343 weibo.com/ttarticle/p/show?id=2309405100947742523531 weibo.com/ttarticle/p/show?id=2309405100947775815821 weibo.com/ttarticle/p/show?id=2309405100947776078044 weibo.com/ttarticle/p/show?id=2309405100947302121691 weibo.com/ttarticle/p/show?id=2309405100947440533710 weibo.com/ttarticle/p/show?id=2309405100947692191850 weibo.com/ttarticle/p/show?id=2309405100947675414815 weibo.com/ttarticle/p/show?id=2309405100947654443476 weibo.com/ttarticle/p/show?id=2309405100947163709789 weibo.com/ttarticle/p/show?id=2309405100947482476796 weibo.com/ttarticle/p/show?id=2309405100946782027935 0
2024-11-16 01:57:33　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 新星之火12138 该类别下有 83 个回答。邀请回答 heks 该类别下有 75 个回答。邀请回答 wang21cj 该类别下有 72 个回答。邀请回答普罗旺斯的薰衣草该类别下有 69 个回答。邀请回答 hgimtk 该类别下有 64 个回答。邀请回答 chm5 该类别下有 62 个回答。邀请回答风动影随该类别下有 55 个回答。邀请回答 lksas 该类别下有 54 个回答。邀请回答 zhhx1985 该类别下有 53 个回答。邀请回答站着幻想该类别下有 52 个回答。邀请回答 hfgsd 该类别下有 51 个回答。邀请回答 blueshine 该类别下有 50 个回答。邀请回答 fdhsfagd 该类别下有 50 个回答。邀请回答你又知道了该类别下有 50 个回答。邀请回答青上也该类别下有 50 个回答。邀请回答 zhouxk 该类别下有 50 个回答。邀请回答 kghfh 该类别下有 50 个回答。邀请回答深海零下一度1 该类别下有 49 个回答。邀请回答 ufydsyfsf 该类别下有 49 个回答。邀请回答 dsdfshf 该类别下有 49 个回答。邀请回答举报案发当时相关推荐 • LMX2595EVM焊接后的成品相噪没有达到EVM板的水准怎么处理？ 491 • LMX2595EVM如何实现自动化控制？ 427 • 德州仪器TI的LMX2595EVM 输出频率和TICS PRO设置频率不对应求解！ 545 • LMX2571EVM如何实现1GHz的时钟输出？ 634 • LMX2820EVM锁定后出现一定范围的频率漂移，为什么会这样？ 502 • ADS1293EVM的CMRR到底能达到多少dB? 633 • 请问频率合成器像LMX2594，LMX2595，LMX2694这类芯片的同步功能是都需要在整数分频模式下才能同步吗？ 483 • TLV320AIC3256EVM-U 评估板没有固件 973 • TLV320AIC3256EVM-U 评估板没有固件 660 • 请问测试AD9361 RX EVM的指标大概是多少？ 4437 1个回答

答案对人有帮助，有参考价值 0 针对您的问题，我将提供一些建议来帮助您解决焊接工艺问题以及如何弱化焊接对相噪的影响。以下是一些建议： 1. 焊接工艺建议： a. 使用合适的焊接工具：确保使用合适的焊接工具，如恒温烙铁、焊锡丝和助焊剂。 b. 保持烙铁温度适中：过高的烙铁温度可能导致焊点氧化，影响性能。建议将烙铁温度保持在300-350摄氏度。 c. 焊接时间控制：焊接时间不宜过长，以免损坏元件。一般建议焊接时间为2-3秒。 d. 焊接技巧：使用正确的焊接技巧，如拖焊法和点焊法，以减少焊接过程中的热应力。 e. 检查焊接质量：焊接完成后，仔细检查焊点，确保焊点光滑、无氧化、无虚焊。 2. 弱化焊接对相噪的影响： a. 优化PCB布局：优化PCB布局，减少信号线之间的干扰，降低噪声。 b. 增加地线：在PCB上增加地线，以减少地线阻抗，降低噪声。 c. 使用屏蔽：在敏感信号线周围增加屏蔽层，以减少外部干扰。 d. 优化电源设计：优化电源设计，确保电源稳定性，降低电源噪声对相噪的影响。 e. 调整元件参数：根据实际情况调整元件参数，如电容、电阻等，以降低相噪。希望以上建议能对您有所帮助。如果问题仍然存在，建议您寻求专业人士的帮助，或者联系LMX2595EVM板的制造商，以获取更专业的技术支持。

2024-11-18 11:45:38 评论举报 tulin